text: // Copyright 2010 The Emscripten Authors.  All rights reserved.
  // Emscripten is available under two separate licenses, the MIT license and the
  // University of Illinois/NCSA Open Source License.  Both these licenses can be
  // found in the LICENSE file.
  
  // The Module object: Our interface to the outside world. We import
  // and export values on it. There are various ways Module can be used:
  // 1. Not defined. We create it here
  // 2. A function parameter, function(Module) { ..generated code.. }
  // 3. pre-run appended it, var Module = {}; ..generated code..
  // 4. External script tag defines var Module.
  // We need to check if Module already exists (e.g. case 3 above).
  // Substitution will be replaced with actual code on later stage of the build,
  // this way Closure Compiler will not mangle it (e.g. case 4. above).
  // Note that if you want to run closure, and also to use Module
  // after the generated code, you will need to define   var Module = {};
  // before the code. Then that object will be used in the code, and you
  // can continue to use Module afterwards as well.
  var Module = typeof Module !== 'undefined' ? Module : {};
  
  // --pre-jses are emitted after the Module integration code, so that they can
  // refer to Module (if they choose; they can also define Module)
  // {{PRE_JSES}}
  
  // Sometimes an existing Module object exists with properties
  // meant to overwrite the default module functionality. Here
  // we collect those properties and reapply _after_ we configure
  // the current environment's defaults to avoid having to be so
  // defensive during initialization.
  var moduleOverrides = {};
  var key;
  for (key in Module) {
    if (Module.hasOwnProperty(key)) {
      moduleOverrides[key] = Module[key];
    }
  }
  
  Module['arguments'] = [];
  Module['thisProgram'] = './this.program';
  Module['quit'] = function(status, toThrow) {
    throw toThrow;
  };
  Module['preRun'] = [];
  Module['postRun'] = [];
  
  // Determine the runtime environment we are in. You can customize this by
  // setting the ENVIRONMENT setting at compile time (see settings.js).
  
  var ENVIRONMENT_IS_WEB = false;
  var ENVIRONMENT_IS_WORKER = false;
  var ENVIRONMENT_IS_NODE = false;
  var ENVIRONMENT_IS_SHELL = false;
  ENVIRONMENT_IS_WEB = typeof window === 'object';
  ENVIRONMENT_IS_WORKER = typeof importScripts === 'function';
  ENVIRONMENT_IS_NODE = typeof process === 'object' && typeof require === 'function' && !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_WORKER;
  ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
  
  if (Module['ENVIRONMENT']) {
    throw new Error('Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -s ENVIRONMENT=web or -s ENVIRONMENT=node)');
  }
  
  // Three configurations we can be running in:
  // 1) We could be the application main() thread running in the main JS UI thread. (ENVIRONMENT_IS_WORKER == false and ENVIRONMENT_IS_PTHREAD == false)
  // 2) We could be the application main() thread proxied to worker. (with Emscripten -s PROXY_TO_WORKER=1) (ENVIRONMENT_IS_WORKER == true, ENVIRONMENT_IS_PTHREAD == false)
  // 3) We could be an application pthread running in a worker. (ENVIRONMENT_IS_WORKER == true and ENVIRONMENT_IS_PTHREAD == true)
  
  // `/` should be present at the end if `scriptDirectory` is not empty
  var scriptDirectory = '';
  function locateFile(path) {
    if (Module['locateFile']) {
      return Module['locateFile'](path, scriptDirectory);
    } else {
      return scriptDirectory + path;
    }
  }
  
  if (ENVIRONMENT_IS_NODE) {
    scriptDirectory = __dirname + '/';
  
    // Expose functionality in the same simple way that the shells work
    // Note that we pollute the global namespace here, otherwise we break in node
    var nodeFS;
    var nodePath;
  
    Module['read'] = function shell_read(filename, binary) {
      var ret;
        if (!nodeFS) nodeFS = require('fs');
        if (!nodePath) nodePath = require('path');
        filename = nodePath['normalize'](filename);
        ret = nodeFS['readFileSync'](filename);
      return binary ? ret : ret.toString();
    };
  
    Module['readBinary'] = function readBinary(filename) {
      var ret = Module['read'](filename, true);
      if (!ret.buffer) {
        ret = new Uint8Array(ret);
      }
      assert(ret.buffer);
      return ret;
    };
  
    if (process['argv'].length > 1) {
      Module['thisProgram'] = process['argv'][1].replace(/\\/g, '/');
    }
  
    Module['arguments'] = process['argv'].slice(2);
  
    if (typeof module !== 'undefined') {
      module['exports'] = Module;
    }
  
    process['on']('uncaughtException', function(ex) {
      // suppress ExitStatus exceptions from showing an error
      if (!(ex instanceof ExitStatus)) {
        throw ex;
      }
    });
    // Currently node will swallow unhandled rejections, but this behavior is
    // deprecated, and in the future it will exit with error status.
    process['on']('unhandledRejection', abort);
  
    Module['quit'] = function(status) {
      process['exit'](status);
    };
  
    Module['inspect'] = function () { return '[Emscripten Module object]'; };
  } else
  if (ENVIRONMENT_IS_SHELL) {
  
  
    if (typeof read != 'undefined') {
      Module['read'] = function shell_read(f) {
        return read(f);
      };
    }
  
    Module['readBinary'] = function readBinary(f) {
      var data;
      if (typeof readbuffer === 'function') {
        return new Uint8Array(readbuffer(f));
      }
      data = read(f, 'binary');
      assert(typeof data === 'object');
      return data;
    };
  
    if (typeof scriptArgs != 'undefined') {
      Module['arguments'] = scriptArgs;
    } else if (typeof arguments != 'undefined') {
      Module['arguments'] = arguments;
    }
  
    if (typeof quit === 'function') {
      Module['quit'] = function(status) {
        quit(status);
      }
    }
  } else
  if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
    if (ENVIRONMENT_IS_WORKER) { // Check worker, not web, since window could be polyfilled
      scriptDirectory = self.location.href;
    } else if (document.currentScript) { // web
      scriptDirectory = document.currentScript.src;
    }
    // blob urls look like blob:http://site.com/etc/etc and we cannot infer anything from them.
    // otherwise, slice off the final part of the url to find the script directory.
    // if scriptDirectory does not contain a slash, lastIndexOf will return -1,
    // and scriptDirectory will correctly be replaced with an empty string.
    if (scriptDirectory.indexOf('blob:') !== 0) {
      scriptDirectory = scriptDirectory.substr(0, scriptDirectory.lastIndexOf('/')+1);
    } else {
      scriptDirectory = '';
    }
  
  
    Module['read'] = function shell_read(url) {
        var xhr = new XMLHttpRequest();
        xhr.open('GET', url, false);
        xhr.send(null);
        return xhr.responseText;
    };
  
    if (ENVIRONMENT_IS_WORKER) {
      Module['readBinary'] = function readBinary(url) {
          var xhr = new XMLHttpRequest();
          xhr.open('GET', url, false);
          xhr.responseType = 'arraybuffer';
          xhr.send(null);
          return new Uint8Array(xhr.response);
      };
    }
  
    Module['readAsync'] = function readAsync(url, onload, onerror) {
      var xhr = new XMLHttpRequest();
      xhr.open('GET', url, true);
      xhr.responseType = 'arraybuffer';
      xhr.onload = function xhr_onload() {
        if (xhr.status == 200 || (xhr.status == 0 && xhr.response)) { // file URLs can return 0
          onload(xhr.response);
          return;
        }
        onerror();
      };
      xhr.onerror = onerror;
      xhr.send(null);
    };
  
    Module['setWindowTitle'] = function(title) { document.title = title };
  } else
  {
    throw new Error('environment detection error');
  }
  
  // Set up the out() and err() hooks, which are how we can print to stdout or
  // stderr, respectively.
  // If the user provided Module.print or printErr, use that. Otherwise,
  // console.log is checked first, as 'print' on the web will open a print dialogue
  // printErr is preferable to console.warn (works better in shells)
  // bind(console) is necessary to fix IE/Edge closed dev tools panel behavior.
  var out = Module['print'] || (typeof console !== 'undefined' ? console.log.bind(console) : (typeof print !== 'undefined' ? print : null));
  var err = Module['printErr'] || (typeof printErr !== 'undefined' ? printErr : ((typeof console !== 'undefined' && console.warn.bind(console)) || out));
  
  // Merge back in the overrides
  for (key in moduleOverrides) {
    if (moduleOverrides.hasOwnProperty(key)) {
      Module[key] = moduleOverrides[key];
    }
  }
  // Free the object hierarchy contained in the overrides, this lets the GC
  // reclaim data used e.g. in memoryInitializerRequest, which is a large typed array.
  moduleOverrides = undefined;
  
  // perform assertions in shell.js after we set up out() and err(), as otherwise if an assertion fails it cannot print the message
  assert(typeof Module['memoryInitializerPrefixURL'] === 'undefined', 'Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead');
  assert(typeof Module['pthreadMainPrefixURL'] === 'undefined', 'Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead');
  assert(typeof Module['cdInitializerPrefixURL'] === 'undefined', 'Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead');
  assert(typeof Module['filePackagePrefixURL'] === 'undefined', 'Module.filePackagePrefixURL option was removed, use Module.locateFile instead');
  
  
  
  // Copyright 2017 The Emscripten Authors.  All rights reserved.
  // Emscripten is available under two separate licenses, the MIT license and the
  // University of Illinois/NCSA Open Source License.  Both these licenses can be
  // found in the LICENSE file.
  
  // {{PREAMBLE_ADDITIONS}}
  
  var STACK_ALIGN = 16;
  
  // stack management, and other functionality that is provided by the compiled code,
  // should not be used before it is ready
  stackSave = stackRestore = stackAlloc = setTempRet0 = getTempRet0 = function() {
    abort('cannot use the stack before compiled code is ready to run, and has provided stack access');
  };
  
  function staticAlloc(size) {
    assert(!staticSealed);
    var ret = STATICTOP;
    STATICTOP = (STATICTOP + size + 15) & -16;
    assert(STATICTOP < TOTAL_MEMORY, 'not enough memory for static allocation - increase TOTAL_MEMORY');
    return ret;
  }
  
  function dynamicAlloc(size) {
    assert(DYNAMICTOP_PTR);
    var ret = HEAP32[DYNAMICTOP_PTR>>2];
    var end = (ret + size + 15) & -16;
    HEAP32[DYNAMICTOP_PTR>>2] = end;
    if (end >= TOTAL_MEMORY) {
      var success = enlargeMemory();
      if (!success) {
        HEAP32[DYNAMICTOP_PTR>>2] = ret;
        return 0;
      }
    }
    return ret;
  }
  
  function alignMemory(size, factor) {
    if (!factor) factor = STACK_ALIGN; // stack alignment (16-byte) by default
    var ret = size = Math.ceil(size / factor) * factor;
    return ret;
  }
  
  function getNativeTypeSize(type) {
    switch (type) {
      case 'i1': case 'i8': return 1;
      case 'i16': return 2;
      case 'i32': return 4;
      case 'i64': return 8;
      case 'float': return 4;
      case 'double': return 8;
      default: {
        if (type[type.length-1] === '*') {
          return 4; // A pointer
        } else if (type[0] === 'i') {
          var bits = parseInt(type.substr(1));
          assert(bits % 8 === 0);
          return bits / 8;
        } else {
          return 0;
        }
      }
    }
  }
  
  function warnOnce(text) {
    if (!warnOnce.shown) warnOnce.shown = {};
    if (!warnOnce.shown[text]) {
      warnOnce.shown[text] = 1;
      err(text);
    }
  }
  
  var asm2wasmImports = { // special asm2wasm imports
      "f64-rem": function(x, y) {
          return x % y;
      },
      "debugger": function() {
          debugger;
      }
  };
  
  
  
  var jsCallStartIndex = 1;
  var functionPointers = new Array(0);
  
  // 'sig' parameter is only used on LLVM wasm backend
  function addFunction(func, sig) {
    if (typeof sig === 'undefined') {
      err('warning: addFunction(): You should provide a wasm function signature string as a second argument. This is not necessary for asm.js and asm2wasm, but is required for the LLVM wasm backend, so it is recommended for full portability.');
    }
    var base = 0;
    for (var i = base; i < base + 0; i++) {
      if (!functionPointers[i]) {
        functionPointers[i] = func;
        return jsCallStartIndex + i;
      }
    }
    throw 'Finished up all reserved function pointers. Use a higher value for RESERVED_FUNCTION_POINTERS.';
  }
  
  function removeFunction(index) {
    functionPointers[index-jsCallStartIndex] = null;
  }
  
  var funcWrappers = {};
  
  function getFuncWrapper(func, sig) {
    if (!func) return; // on null pointer, return undefined
    assert(sig);
    if (!funcWrappers[sig]) {
      funcWrappers[sig] = {};
    }
    var sigCache = funcWrappers[sig];
    if (!sigCache[func]) {
      // optimize away arguments usage in common cases
      if (sig.length === 1) {
        sigCache[func] = function dynCall_wrapper() {
          return dynCall(sig, func);
        };
      } else if (sig.length === 2) {
        sigCache[func] = function dynCall_wrapper(arg) {
          return dynCall(sig, func, [arg]);
        };
      } else {
        // general case
        sigCache[func] = function dynCall_wrapper() {
          return dynCall(sig, func, Array.prototype.slice.call(arguments));
        };
      }
    }
    return sigCache[func];
  }
  
  
  function makeBigInt(low, high, unsigned) {
    return unsigned ? ((+((low>>>0)))+((+((high>>>0)))*4294967296.0)) : ((+((low>>>0)))+((+((high|0)))*4294967296.0));
  }
  
  function dynCall(sig, ptr, args) {
    if (args && args.length) {
      assert(args.length == sig.length-1);
      assert(('dynCall_' + sig) in Module, 'bad function pointer type - no table for sig \'' + sig + '\'');
      return Module['dynCall_' + sig].apply(null, [ptr].concat(args));
    } else {
      assert(sig.length == 1);
      assert(('dynCall_' + sig) in Module, 'bad function pointer type - no table for sig \'' + sig + '\'');
      return Module['dynCall_' + sig].call(null, ptr);
    }
  }
  
  
  function getCompilerSetting(name) {
    throw 'You must build with -s RETAIN_COMPILER_SETTINGS=1 for getCompilerSetting or emscripten_get_compiler_setting to work';
  }
  
  var Runtime = {
    // FIXME backwards compatibility layer for ports. Support some Runtime.*
    //       for now, fix it there, then remove it from here. That way we
    //       can minimize any period of breakage.
    dynCall: dynCall, // for SDL2 port
    // helpful errors
    getTempRet0: function() { abort('getTempRet0() is now a top-level function, after removing the Runtime object. Remove "Runtime."') },
    staticAlloc: function() { abort('staticAlloc() is now a top-level function, after removing the Runtime object. Remove "Runtime."') },
    stackAlloc: function() { abort('stackAlloc() is now a top-level function, after removing the Runtime object. Remove "Runtime."') },
  };
  
  // The address globals begin at. Very low in memory, for code size and optimization opportunities.
  // Above 0 is static memory, starting with globals.
  // Then the stack.
  // Then 'dynamic' memory for sbrk.
  var GLOBAL_BASE = 1024;
  
  
  // === Preamble library stuff ===
  
  // Documentation for the public APIs defined in this file must be updated in:
  //    site/source/docs/api_reference/preamble.js.rst
  // A prebuilt local version of the documentation is available at:
  //    site/build/text/docs/api_reference/preamble.js.txt
  // You can also build docs locally as HTML or other formats in site/
  // An online HTML version (which may be of a different version of Emscripten)
  //    is up at http://kripken.github.io/emscripten-site/docs/api_reference/preamble.js.html
  
  
  
  //========================================
  // Runtime essentials
  //========================================
  
  // whether we are quitting the application. no code should run after this.
  // set in exit() and abort()
  var ABORT = false;
  
  // set by exit() and abort().  Passed to 'onExit' handler.
  // NOTE: This is also used as the process return code code in shell environments
  // but only when noExitRuntime is false.
  var EXITSTATUS = 0;
  
  /** @type {function(*, string=)} */
  function assert(condition, text) {
    if (!condition) {
      abort('Assertion failed: ' + text);
    }
  }
  
  var globalScope = this;
  
  // Returns the C function with a specified identifier (for C++, you need to do manual name mangling)
  function getCFunc(ident) {
    var func = Module['_' + ident]; // closure exported function
    assert(func, 'Cannot call unknown function ' + ident + ', make sure it is exported');
    return func;
  }
  
  var JSfuncs = {
    // Helpers for cwrap -- it can't refer to Runtime directly because it might
    // be renamed by closure, instead it calls JSfuncs['stackSave'].body to find
    // out what the minified function name is.
    'stackSave': function() {
      stackSave()
    },
    'stackRestore': function() {
      stackRestore()
    },
    // type conversion from js to c
    'arrayToC' : function(arr) {
      var ret = stackAlloc(arr.length);
      writeArrayToMemory(arr, ret);
      return ret;
    },
    'stringToC' : function(str) {
      var ret = 0;
      if (str !== null && str !== undefined && str !== 0) { // null string
        // at most 4 bytes per UTF-8 code point, +1 for the trailing '\0'
        var len = (str.length << 2) + 1;
        ret = stackAlloc(len);
        stringToUTF8(str, ret, len);
      }
      return ret;
    }
  };
  
  // For fast lookup of conversion functions
  var toC = {
    'string': JSfuncs['stringToC'], 'array': JSfuncs['arrayToC']
  };
  
  
  // C calling interface.
  function ccall(ident, returnType, argTypes, args, opts) {
    function convertReturnValue(ret) {
      if (returnType === 'string') return Pointer_stringify(ret);
      if (returnType === 'boolean') return Boolean(ret);
      return ret;
    }
  
    var func = getCFunc(ident);
    var cArgs = [];
    var stack = 0;
    assert(returnType !== 'array', 'Return type should not be "array".');
    if (args) {
      for (var i = 0; i < args.length; i++) {
        var converter = toC[argTypes[i]];
        if (converter) {
          if (stack === 0) stack = stackSave();
          cArgs[i] = converter(args[i]);
        } else {
          cArgs[i] = args[i];
        }
      }
    }
    var ret = func.apply(null, cArgs);
    ret = convertReturnValue(ret);
    if (stack !== 0) stackRestore(stack);
    return ret;
  }
  
  function cwrap(ident, returnType, argTypes, opts) {
    return function() {
      return ccall(ident, returnType, argTypes, arguments, opts);
    }
  }
  
  /** @type {function(number, number, string, boolean=)} */
  function setValue(ptr, value, type, noSafe) {
    type = type || 'i8';
    if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
      switch(type) {
        case 'i1': HEAP8[((ptr)>>0)]=value; break;
        case 'i8': HEAP8[((ptr)>>0)]=value; break;
        case 'i16': HEAP16[((ptr)>>1)]=value; break;
        case 'i32': HEAP32[((ptr)>>2)]=value; break;
        case 'i64': (tempI64 = [value>>>0,(tempDouble=value,(+(Math_abs(tempDouble))) >= 1.0 ? (tempDouble > 0.0 ? ((Math_min((+(Math_floor((tempDouble)/4294967296.0))), 4294967295.0))|0)>>>0 : (~~((+(Math_ceil((tempDouble - +(((~~(tempDouble)))>>>0))/4294967296.0)))))>>>0) : 0)],HEAP32[((ptr)>>2)]=tempI64[0],HEAP32[(((ptr)+(4))>>2)]=tempI64[1]); break;
        case 'float': HEAPF32[((ptr)>>2)]=value; break;
        case 'double': HEAPF64[((ptr)>>3)]=value; break;
        default: abort('invalid type for setValue: ' + type);
      }
  }
  
  /** @type {function(number, string, boolean=)} */
  function getValue(ptr, type, noSafe) {
    type = type || 'i8';
    if (type.charAt(type.length-1) === '*') type = 'i32'; // pointers are 32-bit
      switch(type) {
        case 'i1': return HEAP8[((ptr)>>0)];
        case 'i8': return HEAP8[((ptr)>>0)];
        case 'i16': return HEAP16[((ptr)>>1)];
        case 'i32': return HEAP32[((ptr)>>2)];
        case 'i64': return HEAP32[((ptr)>>2)];
        case 'float': return HEAPF32[((ptr)>>2)];
        case 'double': return HEAPF64[((ptr)>>3)];
        default: abort('invalid type for getValue: ' + type);
      }
    return null;
  }
  
  var ALLOC_NORMAL = 0; // Tries to use _malloc()
  var ALLOC_STACK = 1; // Lives for the duration of the current function call
  var ALLOC_STATIC = 2; // Cannot be freed
  var ALLOC_DYNAMIC = 3; // Cannot be freed except through sbrk
  var ALLOC_NONE = 4; // Do not allocate
  
  // allocate(): This is for internal use. You can use it yourself as well, but the interface
  //             is a little tricky (see docs right below). The reason is that it is optimized
  //             for multiple syntaxes to save space in generated code. So you should
  //             normally not use allocate(), and instead allocate memory using _malloc(),
  //             initialize it with setValue(), and so forth.
  // @slab: An array of data, or a number. If a number, then the size of the block to allocate,
  //        in *bytes* (note that this is sometimes confusing: the next parameter does not
  //        affect this!)
  // @types: Either an array of types, one for each byte (or 0 if no type at that position),
  //         or a single type which is used for the entire block. This only matters if there
  //         is initial data - if @slab is a number, then this does not matter at all and is
  //         ignored.
  // @allocator: How to allocate memory, see ALLOC_*
  /** @type {function((TypedArray|Array<number>|number), string, number, number=)} */
  function allocate(slab, types, allocator, ptr) {
    var zeroinit, size;
    if (typeof slab === 'number') {
      zeroinit = true;
      size = slab;
    } else {
      zeroinit = false;
      size = slab.length;
    }
  
    var singleType = typeof types === 'string' ? types : null;
  
    var ret;
    if (allocator == ALLOC_NONE) {
      ret = ptr;
    } else {
      ret = [typeof _malloc === 'function' ? _malloc : staticAlloc, stackAlloc, staticAlloc, dynamicAlloc][allocator === undefined ? ALLOC_STATIC : allocator](Math.max(size, singleType ? 1 : types.length));
    }
  
    if (zeroinit) {
      var stop;
      ptr = ret;
      assert((ret & 3) == 0);
      stop = ret + (size & ~3);
      for (; ptr < stop; ptr += 4) {
        HEAP32[((ptr)>>2)]=0;
      }
      stop = ret + size;
      while (ptr < stop) {
        HEAP8[((ptr++)>>0)]=0;
      }
      return ret;
    }
  
    if (singleType === 'i8') {
      if (slab.subarray || slab.slice) {
        HEAPU8.set(/** @type {!Uint8Array} */ (slab), ret);
      } else {
        HEAPU8.set(new Uint8Array(slab), ret);
      }
      return ret;
    }
  
    var i = 0, type, typeSize, previousType;
    while (i < size) {
      var curr = slab[i];
  
      type = singleType || types[i];
      if (type === 0) {
        i++;
        continue;
      }
      assert(type, 'Must know what type to store in allocate!');
  
      if (type == 'i64') type = 'i32'; // special case: we have one i32 here, and one i32 later
  
      setValue(ret+i, curr, type);
  
      // no need to look up size unless type changes, so cache it
      if (previousType !== type) {
        typeSize = getNativeTypeSize(type);
        previousType = type;
      }
      i += typeSize;
    }
  
    return ret;
  }
  
  // Allocate memory during any stage of startup - static memory early on, dynamic memory later, malloc when ready
  function getMemory(size) {
    if (!staticSealed) return staticAlloc(size);
    if (!runtimeInitialized) return dynamicAlloc(size);
    return _malloc(size);
  }
  
  /** @type {function(number, number=)} */
  function Pointer_stringify(ptr, length) {
    if (length === 0 || !ptr) return '';
    // Find the length, and check for UTF while doing so
    var hasUtf = 0;
    var t;
    var i = 0;
    while (1) {
      assert(ptr + i < TOTAL_MEMORY);
      t = HEAPU8[(((ptr)+(i))>>0)];
      hasUtf |= t;
      if (t == 0 && !length) break;
      i++;
      if (length && i == length) break;
    }
    if (!length) length = i;
  
    var ret = '';
  
    if (hasUtf < 128) {
      var MAX_CHUNK = 1024; // split up into chunks, because .apply on a huge string can overflow the stack
      var curr;
      while (length > 0) {
        curr = String.fromCharCode.apply(String, HEAPU8.subarray(ptr, ptr + Math.min(length, MAX_CHUNK)));
        ret = ret ? ret + curr : curr;
        ptr += MAX_CHUNK;
        length -= MAX_CHUNK;
      }
      return ret;
    }
    return UTF8ToString(ptr);
  }
  
  // Given a pointer 'ptr' to a null-terminated ASCII-encoded string in the emscripten HEAP, returns
  // a copy of that string as a Javascript String object.
  
  function AsciiToString(ptr) {
    var str = '';
    while (1) {
      var ch = HEAP8[((ptr++)>>0)];
      if (!ch) return str;
      str += String.fromCharCode(ch);
    }
  }
  
  // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
  // null-terminated and encoded in ASCII form. The copy will require at most str.length+1 bytes of space in the HEAP.
  
  function stringToAscii(str, outPtr) {
    return writeAsciiToMemory(str, outPtr, false);
  }
  
  // Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the given array that contains uint8 values, returns
  // a copy of that string as a Javascript String object.
  
  var UTF8Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf8') : undefined;
  function UTF8ArrayToString(u8Array, idx) {
    var endPtr = idx;
    // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself.
    // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage.
    while (u8Array[endPtr]) ++endPtr;
  
    if (endPtr - idx > 16 && u8Array.subarray && UTF8Decoder) {
      return UTF8Decoder.decode(u8Array.subarray(idx, endPtr));
    } else {
      var u0, u1, u2, u3, u4, u5;
  
      var str = '';
      while (1) {
        // For UTF8 byte structure, see:
        // http://en.wikipedia.org/wiki/UTF-8#Description
        // https://www.ietf.org/rfc/rfc2279.txt
        // https://tools.ietf.org/html/rfc3629
        u0 = u8Array[idx++];
        if (!u0) return str;
        if (!(u0 & 0x80)) { str += String.fromCharCode(u0); continue; }
        u1 = u8Array[idx++] & 63;
        if ((u0 & 0xE0) == 0xC0) { str += String.fromCharCode(((u0 & 31) << 6) | u1); continue; }
        u2 = u8Array[idx++] & 63;
        if ((u0 & 0xF0) == 0xE0) {
          u0 = ((u0 & 15) << 12) | (u1 << 6) | u2;
        } else {
          u3 = u8Array[idx++] & 63;
          if ((u0 & 0xF8) == 0xF0) {
            u0 = ((u0 & 7) << 18) | (u1 << 12) | (u2 << 6) | u3;
          } else {
            u4 = u8Array[idx++] & 63;
            if ((u0 & 0xFC) == 0xF8) {
              u0 = ((u0 & 3) << 24) | (u1 << 18) | (u2 << 12) | (u3 << 6) | u4;
            } else {
              u5 = u8Array[idx++] & 63;
              u0 = ((u0 & 1) << 30) | (u1 << 24) | (u2 << 18) | (u3 << 12) | (u4 << 6) | u5;
            }
          }
        }
        if (u0 < 0x10000) {
          str += String.fromCharCode(u0);
        } else {
          var ch = u0 - 0x10000;
          str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
        }
      }
    }
  }
  
  // Given a pointer 'ptr' to a null-terminated UTF8-encoded string in the emscripten HEAP, returns
  // a copy of that string as a Javascript String object.
  
  function UTF8ToString(ptr) {
    return UTF8ArrayToString(HEAPU8,ptr);
  }
  
  // Copies the given Javascript String object 'str' to the given byte array at address 'outIdx',
  // encoded in UTF8 form and null-terminated. The copy will require at most str.length*4+1 bytes of space in the HEAP.
  // Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
  // Parameters:
  //   str: the Javascript string to copy.
  //   outU8Array: the array to copy to. Each index in this array is assumed to be one 8-byte element.
  //   outIdx: The starting offset in the array to begin the copying.
  //   maxBytesToWrite: The maximum number of bytes this function can write to the array.
  //                    This count should include the null terminator,
  //                    i.e. if maxBytesToWrite=1, only the null terminator will be written and nothing else.
  //                    maxBytesToWrite=0 does not write any bytes to the output, not even the null terminator.
  // Returns the number of bytes written, EXCLUDING the null terminator.
  
  function stringToUTF8Array(str, outU8Array, outIdx, maxBytesToWrite) {
    if (!(maxBytesToWrite > 0)) // Parameter maxBytesToWrite is not optional. Negative values, 0, null, undefined and false each don't write out any bytes.
      return 0;
  
    var startIdx = outIdx;
    var endIdx = outIdx + maxBytesToWrite - 1; // -1 for string null terminator.
    for (var i = 0; i < str.length; ++i) {
      // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      // For UTF8 byte structure, see http://en.wikipedia.org/wiki/UTF-8#Description and https://www.ietf.org/rfc/rfc2279.txt and https://tools.ietf.org/html/rfc3629
      var u = str.charCodeAt(i); // possibly a lead surrogate
      if (u >= 0xD800 && u <= 0xDFFF) {
        var u1 = str.charCodeAt(++i);
        u = 0x10000 + ((u & 0x3FF) << 10) | (u1 & 0x3FF);
      }
      if (u <= 0x7F) {
        if (outIdx >= endIdx) break;
        outU8Array[outIdx++] = u;
      } else if (u <= 0x7FF) {
        if (outIdx + 1 >= endIdx) break;
        outU8Array[outIdx++] = 0xC0 | (u >> 6);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      } else if (u <= 0xFFFF) {
        if (outIdx + 2 >= endIdx) break;
        outU8Array[outIdx++] = 0xE0 | (u >> 12);
        outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      } else if (u <= 0x1FFFFF) {
        if (outIdx + 3 >= endIdx) break;
        outU8Array[outIdx++] = 0xF0 | (u >> 18);
        outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      } else if (u <= 0x3FFFFFF) {
        if (outIdx + 4 >= endIdx) break;
        outU8Array[outIdx++] = 0xF8 | (u >> 24);
        outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      } else {
        if (outIdx + 5 >= endIdx) break;
        outU8Array[outIdx++] = 0xFC | (u >> 30);
        outU8Array[outIdx++] = 0x80 | ((u >> 24) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 18) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 12) & 63);
        outU8Array[outIdx++] = 0x80 | ((u >> 6) & 63);
        outU8Array[outIdx++] = 0x80 | (u & 63);
      }
    }
    // Null-terminate the pointer to the buffer.
    outU8Array[outIdx] = 0;
    return outIdx - startIdx;
  }
  
  // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
  // null-terminated and encoded in UTF8 form. The copy will require at most str.length*4+1 bytes of space in the HEAP.
  // Use the function lengthBytesUTF8 to compute the exact number of bytes (excluding null terminator) that this function will write.
  // Returns the number of bytes written, EXCLUDING the null terminator.
  
  function stringToUTF8(str, outPtr, maxBytesToWrite) {
    assert(typeof maxBytesToWrite == 'number', 'stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
    return stringToUTF8Array(str, HEAPU8,outPtr, maxBytesToWrite);
  }
  
  // Returns the number of bytes the given Javascript string takes if encoded as a UTF8 byte array, EXCLUDING the null terminator byte.
  
  function lengthBytesUTF8(str) {
    var len = 0;
    for (var i = 0; i < str.length; ++i) {
      // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! So decode UTF16->UTF32->UTF8.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      var u = str.charCodeAt(i); // possibly a lead surrogate
      if (u >= 0xD800 && u <= 0xDFFF) u = 0x10000 + ((u & 0x3FF) << 10) | (str.charCodeAt(++i) & 0x3FF);
      if (u <= 0x7F) {
        ++len;
      } else if (u <= 0x7FF) {
        len += 2;
      } else if (u <= 0xFFFF) {
        len += 3;
      } else if (u <= 0x1FFFFF) {
        len += 4;
      } else if (u <= 0x3FFFFFF) {
        len += 5;
      } else {
        len += 6;
      }
    }
    return len;
  }
  
  // Given a pointer 'ptr' to a null-terminated UTF16LE-encoded string in the emscripten HEAP, returns
  // a copy of that string as a Javascript String object.
  
  var UTF16Decoder = typeof TextDecoder !== 'undefined' ? new TextDecoder('utf-16le') : undefined;
  function UTF16ToString(ptr) {
    assert(ptr % 2 == 0, 'Pointer passed to UTF16ToString must be aligned to two bytes!');
    var endPtr = ptr;
    // TextDecoder needs to know the byte length in advance, it doesn't stop on null terminator by itself.
    // Also, use the length info to avoid running tiny strings through TextDecoder, since .subarray() allocates garbage.
    var idx = endPtr >> 1;
    while (HEAP16[idx]) ++idx;
    endPtr = idx << 1;
  
    if (endPtr - ptr > 32 && UTF16Decoder) {
      return UTF16Decoder.decode(HEAPU8.subarray(ptr, endPtr));
    } else {
      var i = 0;
  
      var str = '';
      while (1) {
        var codeUnit = HEAP16[(((ptr)+(i*2))>>1)];
        if (codeUnit == 0) return str;
        ++i;
        // fromCharCode constructs a character from a UTF-16 code unit, so we can pass the UTF16 string right through.
        str += String.fromCharCode(codeUnit);
      }
    }
  }
  
  // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
  // null-terminated and encoded in UTF16 form. The copy will require at most str.length*4+2 bytes of space in the HEAP.
  // Use the function lengthBytesUTF16() to compute the exact number of bytes (excluding null terminator) that this function will write.
  // Parameters:
  //   str: the Javascript string to copy.
  //   outPtr: Byte address in Emscripten HEAP where to write the string to.
  //   maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
  //                    terminator, i.e. if maxBytesToWrite=2, only the null terminator will be written and nothing else.
  //                    maxBytesToWrite<2 does not write any bytes to the output, not even the null terminator.
  // Returns the number of bytes written, EXCLUDING the null terminator.
  
  function stringToUTF16(str, outPtr, maxBytesToWrite) {
    assert(outPtr % 2 == 0, 'Pointer passed to stringToUTF16 must be aligned to two bytes!');
    assert(typeof maxBytesToWrite == 'number', 'stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
    // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
    if (maxBytesToWrite === undefined) {
      maxBytesToWrite = 0x7FFFFFFF;
    }
    if (maxBytesToWrite < 2) return 0;
    maxBytesToWrite -= 2; // Null terminator.
    var startPtr = outPtr;
    var numCharsToWrite = (maxBytesToWrite < str.length*2) ? (maxBytesToWrite / 2) : str.length;
    for (var i = 0; i < numCharsToWrite; ++i) {
      // charCodeAt returns a UTF-16 encoded code unit, so it can be directly written to the HEAP.
      var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
      HEAP16[((outPtr)>>1)]=codeUnit;
      outPtr += 2;
    }
    // Null-terminate the pointer to the HEAP.
    HEAP16[((outPtr)>>1)]=0;
    return outPtr - startPtr;
  }
  
  // Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
  
  function lengthBytesUTF16(str) {
    return str.length*2;
  }
  
  function UTF32ToString(ptr) {
    assert(ptr % 4 == 0, 'Pointer passed to UTF32ToString must be aligned to four bytes!');
    var i = 0;
  
    var str = '';
    while (1) {
      var utf32 = HEAP32[(((ptr)+(i*4))>>2)];
      if (utf32 == 0)
        return str;
      ++i;
      // Gotcha: fromCharCode constructs a character from a UTF-16 encoded code (pair), not from a Unicode code point! So encode the code point to UTF-16 for constructing.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      if (utf32 >= 0x10000) {
        var ch = utf32 - 0x10000;
        str += String.fromCharCode(0xD800 | (ch >> 10), 0xDC00 | (ch & 0x3FF));
      } else {
        str += String.fromCharCode(utf32);
      }
    }
  }
  
  // Copies the given Javascript String object 'str' to the emscripten HEAP at address 'outPtr',
  // null-terminated and encoded in UTF32 form. The copy will require at most str.length*4+4 bytes of space in the HEAP.
  // Use the function lengthBytesUTF32() to compute the exact number of bytes (excluding null terminator) that this function will write.
  // Parameters:
  //   str: the Javascript string to copy.
  //   outPtr: Byte address in Emscripten HEAP where to write the string to.
  //   maxBytesToWrite: The maximum number of bytes this function can write to the array. This count should include the null
  //                    terminator, i.e. if maxBytesToWrite=4, only the null terminator will be written and nothing else.
  //                    maxBytesToWrite<4 does not write any bytes to the output, not even the null terminator.
  // Returns the number of bytes written, EXCLUDING the null terminator.
  
  function stringToUTF32(str, outPtr, maxBytesToWrite) {
    assert(outPtr % 4 == 0, 'Pointer passed to stringToUTF32 must be aligned to four bytes!');
    assert(typeof maxBytesToWrite == 'number', 'stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!');
    // Backwards compatibility: if max bytes is not specified, assume unsafe unbounded write is allowed.
    if (maxBytesToWrite === undefined) {
      maxBytesToWrite = 0x7FFFFFFF;
    }
    if (maxBytesToWrite < 4) return 0;
    var startPtr = outPtr;
    var endPtr = startPtr + maxBytesToWrite - 4;
    for (var i = 0; i < str.length; ++i) {
      // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      var codeUnit = str.charCodeAt(i); // possibly a lead surrogate
      if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) {
        var trailSurrogate = str.charCodeAt(++i);
        codeUnit = 0x10000 + ((codeUnit & 0x3FF) << 10) | (trailSurrogate & 0x3FF);
      }
      HEAP32[((outPtr)>>2)]=codeUnit;
      outPtr += 4;
      if (outPtr + 4 > endPtr) break;
    }
    // Null-terminate the pointer to the HEAP.
    HEAP32[((outPtr)>>2)]=0;
    return outPtr - startPtr;
  }
  
  // Returns the number of bytes the given Javascript string takes if encoded as a UTF16 byte array, EXCLUDING the null terminator byte.
  
  function lengthBytesUTF32(str) {
    var len = 0;
    for (var i = 0; i < str.length; ++i) {
      // Gotcha: charCodeAt returns a 16-bit word that is a UTF-16 encoded code unit, not a Unicode code point of the character! We must decode the string to UTF-32 to the heap.
      // See http://unicode.org/faq/utf_bom.html#utf16-3
      var codeUnit = str.charCodeAt(i);
      if (codeUnit >= 0xD800 && codeUnit <= 0xDFFF) ++i; // possibly a lead surrogate, so skip over the tail surrogate.
      len += 4;
    }
  
    return len;
  }
  
  // Allocate heap space for a JS string, and write it there.
  // It is the responsibility of the caller to free() that memory.
  function allocateUTF8(str) {
    var size = lengthBytesUTF8(str) + 1;
    var ret = _malloc(size);
    if (ret) stringToUTF8Array(str, HEAP8, ret, size);
    return ret;
  }
  
  // Allocate stack space for a JS string, and write it there.
  function allocateUTF8OnStack(str) {
    var size = lengthBytesUTF8(str) + 1;
    var ret = stackAlloc(size);
    stringToUTF8Array(str, HEAP8, ret, size);
    return ret;
  }
  
  function demangle(func) {
    warnOnce('warning: build with  -s DEMANGLE_SUPPORT=1  to link in libcxxabi demangling');
    return func;
  }
  
  function demangleAll(text) {
    var regex =
      /__Z[\w\d_]+/g;
    return text.replace(regex,
      function(x) {
        var y = demangle(x);
        return x === y ? x : (y + ' [' + x + ']');
      });
  }
  
  function jsStackTrace() {
    var err = new Error();
    if (!err.stack) {
      // IE10+ special cases: It does have callstack info, but it is only populated if an Error object is thrown,
      // so try that as a special-case.
      try {
        throw new Error(0);
      } catch(e) {
        err = e;
      }
      if (!err.stack) {
        return '(no stack trace available)';
      }
    }
    return err.stack.toString();
  }
  
  function stackTrace() {
    var js = jsStackTrace();
    if (Module['extraStackTrace']) js += '\n' + Module['extraStackTrace']();
    return demangleAll(js);
  }
  
  // Memory management
  
  var PAGE_SIZE = 16384;
  var WASM_PAGE_SIZE = 65536;
  var ASMJS_PAGE_SIZE = 16777216;
  var MIN_TOTAL_MEMORY = 16777216;
  
  function alignUp(x, multiple) {
    if (x % multiple > 0) {
      x += multiple - (x % multiple);
    }
    return x;
  }
  
  var HEAP,
  /** @type {ArrayBuffer} */
    buffer,
  /** @type {Int8Array} */
    HEAP8,
  /** @type {Uint8Array} */
    HEAPU8,
  /** @type {Int16Array} */
    HEAP16,
  /** @type {Uint16Array} */
    HEAPU16,
  /** @type {Int32Array} */
    HEAP32,
  /** @type {Uint32Array} */
    HEAPU32,
  /** @type {Float32Array} */
    HEAPF32,
  /** @type {Float64Array} */
    HEAPF64;
  
  function updateGlobalBuffer(buf) {
    Module['buffer'] = buffer = buf;
  }
  
  function updateGlobalBufferViews() {
    Module['HEAP8'] = HEAP8 = new Int8Array(buffer);
    Module['HEAP16'] = HEAP16 = new Int16Array(buffer);
    Module['HEAP32'] = HEAP32 = new Int32Array(buffer);
    Module['HEAPU8'] = HEAPU8 = new Uint8Array(buffer);
    Module['HEAPU16'] = HEAPU16 = new Uint16Array(buffer);
    Module['HEAPU32'] = HEAPU32 = new Uint32Array(buffer);
    Module['HEAPF32'] = HEAPF32 = new Float32Array(buffer);
    Module['HEAPF64'] = HEAPF64 = new Float64Array(buffer);
  }
  
  var STATIC_BASE, STATICTOP, staticSealed; // static area
  var STACK_BASE, STACKTOP, STACK_MAX; // stack area
  var DYNAMIC_BASE, DYNAMICTOP_PTR; // dynamic area handled by sbrk
  
    STATIC_BASE = STATICTOP = STACK_BASE = STACKTOP = STACK_MAX = DYNAMIC_BASE = DYNAMICTOP_PTR = 0;
    staticSealed = false;
  
  
  // Initializes the stack cookie. Called at the startup of main and at the startup of each thread in pthreads mode.
  function writeStackCookie() {
    assert((STACK_MAX & 3) == 0);
    HEAPU32[(STACK_MAX >> 2)-1] = 0x02135467;
    HEAPU32[(STACK_MAX >> 2)-2] = 0x89BACDFE;
  }
  
  function checkStackCookie() {
    if (HEAPU32[(STACK_MAX >> 2)-1] != 0x02135467 || HEAPU32[(STACK_MAX >> 2)-2] != 0x89BACDFE) {
      abort('Stack overflow! Stack cookie has been overwritten, expected hex dwords 0x89BACDFE and 0x02135467, but received 0x' + HEAPU32[(STACK_MAX >> 2)-2].toString(16) + ' ' + HEAPU32[(STACK_MAX >> 2)-1].toString(16));
    }
    // Also test the global address 0 for integrity. This check is not compatible with SAFE_SPLIT_MEMORY though, since that mode already tests all address 0 accesses on its own.
    if (HEAP32[0] !== 0x63736d65 /* 'emsc' */) throw 'Runtime error: The application has corrupted its heap memory area (address zero)!';
  }
  
  function abortStackOverflow(allocSize) {
    abort('Stack overflow! Attempted to allocate ' + allocSize + ' bytes on the stack, but stack has only ' + (STACK_MAX - stackSave() + allocSize) + ' bytes available!');
  }
  
  
  function abortOnCannotGrowMemory() {
    abort('Cannot enlarge memory arrays. Either (1) compile with  -s TOTAL_MEMORY=X  with X higher than the current value ' + TOTAL_MEMORY + ', (2) compile with  -s ALLOW_MEMORY_GROWTH=1  which allows increasing the size at runtime, or (3) if you want malloc to return NULL (0) instead of this abort, compile with  -s ABORTING_MALLOC=0 ');
  }
  
  
  function enlargeMemory() {
    abortOnCannotGrowMemory();
  }
  
  
  var TOTAL_STACK = Module['TOTAL_STACK'] || 5242880;
  var TOTAL_MEMORY = Module['TOTAL_MEMORY'] || 16777216;
  if (TOTAL_MEMORY < TOTAL_STACK) err('TOTAL_MEMORY should be larger than TOTAL_STACK, was ' + TOTAL_MEMORY + '! (TOTAL_STACK=' + TOTAL_STACK + ')');
  
  // Initialize the runtime's memory
  // check for full engine support (use string 'subarray' to avoid closure compiler confusion)
  assert(typeof Int32Array !== 'undefined' && typeof Float64Array !== 'undefined' && Int32Array.prototype.subarray !== undefined && Int32Array.prototype.set !== undefined,
         'JS engine does not provide full typed array support');
  
  
  
  // Use a provided buffer, if there is one, or else allocate a new one
  if (Module['buffer']) {
    buffer = Module['buffer'];
    assert(buffer.byteLength === TOTAL_MEMORY, 'provided buffer should be ' + TOTAL_MEMORY + ' bytes, but it is ' + buffer.byteLength);
  } else {
    // Use a WebAssembly memory where available
    if (typeof WebAssembly === 'object' && typeof WebAssembly.Memory === 'function') {
      assert(TOTAL_MEMORY % WASM_PAGE_SIZE === 0);
      Module['wasmMemory'] = new WebAssembly.Memory({ 'initial': TOTAL_MEMORY / WASM_PAGE_SIZE, 'maximum': TOTAL_MEMORY / WASM_PAGE_SIZE });
      buffer = Module['wasmMemory'].buffer;
    } else
    {
      buffer = new ArrayBuffer(TOTAL_MEMORY);
    }
    assert(buffer.byteLength === TOTAL_MEMORY);
    Module['buffer'] = buffer;
  }
  updateGlobalBufferViews();
  
  
  function getTotalMemory() {
    return TOTAL_MEMORY;
  }
  
  // Endianness check (note: assumes compiler arch was little-endian)
    HEAP32[0] = 0x63736d65; /* 'emsc' */
  HEAP16[1] = 0x6373;
  if (HEAPU8[2] !== 0x73 || HEAPU8[3] !== 0x63) throw 'Runtime error: expected the system to be little-endian!';
  
  function callRuntimeCallbacks(callbacks) {
    while(callbacks.length > 0) {
      var callback = callbacks.shift();
      if (typeof callback == 'function') {
        callback();
        continue;
      }
      var func = callback.func;
      if (typeof func === 'number') {
        if (callback.arg === undefined) {
          Module['dynCall_v'](func);
        } else {
          Module['dynCall_vi'](func, callback.arg);
        }
      } else {
        func(callback.arg === undefined ? null : callback.arg);
      }
    }
  }
  
  var __ATPRERUN__  = []; // functions called before the runtime is initialized
  var __ATINIT__    = []; // functions called during startup
  var __ATMAIN__    = []; // functions called when main() is to be run
  var __ATEXIT__    = []; // functions called during shutdown
  var __ATPOSTRUN__ = []; // functions called after the main() is called
  
  var runtimeInitialized = false;
  var runtimeExited = false;
  
  
  function preRun() {
    // compatibility - merge in anything from Module['preRun'] at this time
    if (Module['preRun']) {
      if (typeof Module['preRun'] == 'function') Module['preRun'] = [Module['preRun']];
      while (Module['preRun'].length) {
        addOnPreRun(Module['preRun'].shift());
      }
    }
    callRuntimeCallbacks(__ATPRERUN__);
  }
  
  function ensureInitRuntime() {
    checkStackCookie();
    if (runtimeInitialized) return;
    runtimeInitialized = true;
    callRuntimeCallbacks(__ATINIT__);
  }
  
  function preMain() {
    checkStackCookie();
    callRuntimeCallbacks(__ATMAIN__);
  }
  
  function exitRuntime() {
    checkStackCookie();
    callRuntimeCallbacks(__ATEXIT__);
    runtimeExited = true;
  }
  
  function postRun() {
    checkStackCookie();
    // compatibility - merge in anything from Module['postRun'] at this time
    if (Module['postRun']) {
      if (typeof Module['postRun'] == 'function') Module['postRun'] = [Module['postRun']];
      while (Module['postRun'].length) {
        addOnPostRun(Module['postRun'].shift());
      }
    }
    callRuntimeCallbacks(__ATPOSTRUN__);
  }
  
  function addOnPreRun(cb) {
    __ATPRERUN__.unshift(cb);
  }
  
  function addOnInit(cb) {
    __ATINIT__.unshift(cb);
  }
  
  function addOnPreMain(cb) {
    __ATMAIN__.unshift(cb);
  }
  
  function addOnExit(cb) {
    __ATEXIT__.unshift(cb);
  }
  
  function addOnPostRun(cb) {
    __ATPOSTRUN__.unshift(cb);
  }
  
  // Deprecated: This function should not be called because it is unsafe and does not provide
  // a maximum length limit of how many bytes it is allowed to write. Prefer calling the
  // function stringToUTF8Array() instead, which takes in a maximum length that can be used
  // to be secure from out of bounds writes.
  /** @deprecated */
  function writeStringToMemory(string, buffer, dontAddNull) {
    warnOnce('writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!');
  
    var /** @type {number} */ lastChar, /** @type {number} */ end;
    if (dontAddNull) {
      // stringToUTF8Array always appends null. If we don't want to do that, remember the
      // character that existed at the location where the null will be placed, and restore
      // that after the write (below).
      end = buffer + lengthBytesUTF8(string);
      lastChar = HEAP8[end];
    }
    stringToUTF8(string, buffer, Infinity);
    if (dontAddNull) HEAP8[end] = lastChar; // Restore the value under the null character.
  }
  
  function writeArrayToMemory(array, buffer) {
    assert(array.length >= 0, 'writeArrayToMemory array must have a length (should be an array or typed array)')
    HEAP8.set(array, buffer);
  }
  
  function writeAsciiToMemory(str, buffer, dontAddNull) {
    for (var i = 0; i < str.length; ++i) {
      assert(str.charCodeAt(i) === str.charCodeAt(i)&0xff);
      HEAP8[((buffer++)>>0)]=str.charCodeAt(i);
    }
    // Null-terminate the pointer to the HEAP.
    if (!dontAddNull) HEAP8[((buffer)>>0)]=0;
  }
  
  function unSign(value, bits, ignore) {
    if (value >= 0) {
      return value;
    }
    return bits <= 32 ? 2*Math.abs(1 << (bits-1)) + value // Need some trickery, since if bits == 32, we are right at the limit of the bits JS uses in bitshifts
                      : Math.pow(2, bits)         + value;
  }
  function reSign(value, bits, ignore) {
    if (value <= 0) {
      return value;
    }
    var half = bits <= 32 ? Math.abs(1 << (bits-1)) // abs is needed if bits == 32
                          : Math.pow(2, bits-1);
    if (value >= half && (bits <= 32 || value > half)) { // for huge values, we can hit the precision limit and always get true here. so don't do that
                                                         // but, in general there is no perfect solution here. With 64-bit ints, we get rounding and errors
                                                         // TODO: In i64 mode 1, resign the two parts separately and safely
      value = -2*half + value; // Cannot bitshift half, as it may be at the limit of the bits JS uses in bitshifts
    }
    return value;
  }
  
  assert(Math['imul'], 'This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
  assert(Math['fround'], 'This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
  assert(Math['clz32'], 'This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
  assert(Math['trunc'], 'This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill');
  
  var Math_abs = Math.abs;
  var Math_cos = Math.cos;
  var Math_sin = Math.sin;
  var Math_tan = Math.tan;
  var Math_acos = Math.acos;
  var Math_asin = Math.asin;
  var Math_atan = Math.atan;
  var Math_atan2 = Math.atan2;
  var Math_exp = Math.exp;
  var Math_log = Math.log;
  var Math_sqrt = Math.sqrt;
  var Math_ceil = Math.ceil;
  var Math_floor = Math.floor;
  var Math_pow = Math.pow;
  var Math_imul = Math.imul;
  var Math_fround = Math.fround;
  var Math_round = Math.round;
  var Math_min = Math.min;
  var Math_max = Math.max;
  var Math_clz32 = Math.clz32;
  var Math_trunc = Math.trunc;
  
  // A counter of dependencies for calling run(). If we need to
  // do asynchronous work before running, increment this and
  // decrement it. Incrementing must happen in a place like
  // Module.preRun (used by emcc to add file preloading).
  // Note that you can add dependencies in preRun, even though
  // it happens right before run - run will be postponed until
  // the dependencies are met.
  var runDependencies = 0;
  var runDependencyWatcher = null;
  var dependenciesFulfilled = null; // overridden to take different actions when all run dependencies are fulfilled
  var runDependencyTracking = {};
  
  function getUniqueRunDependency(id) {
    var orig = id;
    while (1) {
      if (!runDependencyTracking[id]) return id;
      id = orig + Math.random();
    }
    return id;
  }
  
  function addRunDependency(id) {
    runDependencies++;
    if (Module['monitorRunDependencies']) {
      Module['monitorRunDependencies'](runDependencies);
    }
    if (id) {
      assert(!runDependencyTracking[id]);
      runDependencyTracking[id] = 1;
      if (runDependencyWatcher === null && typeof setInterval !== 'undefined') {
        // Check for missing dependencies every few seconds
        runDependencyWatcher = setInterval(function() {
          if (ABORT) {
            clearInterval(runDependencyWatcher);
            runDependencyWatcher = null;
            return;
          }
          var shown = false;
          for (var dep in runDependencyTracking) {
            if (!shown) {
              shown = true;
              err('still waiting on run dependencies:');
            }
            err('dependency: ' + dep);
          }
          if (shown) {
            err('(end of list)');
          }
        }, 10000);
      }
    } else {
      err('warning: run dependency added without ID');
    }
  }
  
  function removeRunDependency(id) {
    runDependencies--;
    if (Module['monitorRunDependencies']) {
      Module['monitorRunDependencies'](runDependencies);
    }
    if (id) {
      assert(runDependencyTracking[id]);
      delete runDependencyTracking[id];
    } else {
      err('warning: run dependency removed without ID');
    }
    if (runDependencies == 0) {
      if (runDependencyWatcher !== null) {
        clearInterval(runDependencyWatcher);
        runDependencyWatcher = null;
      }
      if (dependenciesFulfilled) {
        var callback = dependenciesFulfilled;
        dependenciesFulfilled = null;
        callback(); // can add another dependenciesFulfilled
      }
    }
  }
  
  Module["preloadedImages"] = {}; // maps url to image data
  Module["preloadedAudios"] = {}; // maps url to audio data
  
  
  
  var memoryInitializer = null;
  
  
  
  var /* show errors on likely calls to FS when it was not included */ FS = {
    error: function() {
      abort('Filesystem support (FS) was not included. The problem is that you are using files from JS, but files were not used from C/C++, so filesystem support was not auto-included. You can force-include filesystem support with  -s FORCE_FILESYSTEM=1');
    },
    init: function() { FS.error() },
    createDataFile: function() { FS.error() },
    createPreloadedFile: function() { FS.error() },
    createLazyFile: function() { FS.error() },
    open: function() { FS.error() },
    mkdev: function() { FS.error() },
    registerDevice: function() { FS.error() },
    analyzePath: function() { FS.error() },
    loadFilesFromDB: function() { FS.error() },
  
    ErrnoError: function ErrnoError() { FS.error() },
  };
  Module['FS_createDataFile'] = FS.createDataFile;
  Module['FS_createPreloadedFile'] = FS.createPreloadedFile;
  
  
  
  // Copyright 2017 The Emscripten Authors.  All rights reserved.
  // Emscripten is available under two separate licenses, the MIT license and the
  // University of Illinois/NCSA Open Source License.  Both these licenses can be
  // found in the LICENSE file.
  
  // Prefix of data URIs emitted by SINGLE_FILE and related options.
  var dataURIPrefix = 'data:application/octet-stream;base64,';
  
  // Indicates whether filename is a base64 data URI.
  function isDataURI(filename) {
    return String.prototype.startsWith ?
        filename.startsWith(dataURIPrefix) :
        filename.indexOf(dataURIPrefix) === 0;
  }
  
  
  
  
  function integrateWasmJS() {
    // wasm.js has several methods for creating the compiled code module here:
    //  * 'native-wasm' : use native WebAssembly support in the browser
    //  * 'interpret-s-expr': load s-expression code from a .wast and interpret
    //  * 'interpret-binary': load binary wasm and interpret
    //  * 'interpret-asm2wasm': load asm.js code, translate to wasm, and interpret
    //  * 'asmjs': no wasm, just load the asm.js code and use that (good for testing)
    // The method is set at compile time (BINARYEN_METHOD)
    // The method can be a comma-separated list, in which case, we will try the
    // options one by one. Some of them can fail gracefully, and then we can try
    // the next.
  
    // inputs
  
    var method = 'native-wasm';
  
    var wasmTextFile = 'hello.wast';
    var wasmBinaryFile = 'hello.wasm';
    var asmjsCodeFile = 'hello.temp.asm.js';
  
    if (!isDataURI(wasmTextFile)) {
      wasmTextFile = locateFile(wasmTextFile);
    }
    if (!isDataURI(wasmBinaryFile)) {
      wasmBinaryFile = locateFile(wasmBinaryFile);
    }
    if (!isDataURI(asmjsCodeFile)) {
      asmjsCodeFile = locateFile(asmjsCodeFile);
    }
  
    // utilities
  
    var wasmPageSize = 64*1024;
  
    var info = {
      'global': null,
      'env': null,
      'asm2wasm': asm2wasmImports,
      'parent': Module // Module inside wasm-js.cpp refers to wasm-js.cpp; this allows access to the outside program.
    };
  
    var exports = null;
  
  
    function mergeMemory(newBuffer) {
      // The wasm instance creates its memory. But static init code might have written to
      // buffer already, including the mem init file, and we must copy it over in a proper merge.
      // TODO: avoid this copy, by avoiding such static init writes
      // TODO: in shorter term, just copy up to the last static init write
      var oldBuffer = Module['buffer'];
      if (newBuffer.byteLength < oldBuffer.byteLength) {
        err('the new buffer in mergeMemory is smaller than the previous one. in native wasm, we should grow memory here');
      }
      var oldView = new Int8Array(oldBuffer);
      var newView = new Int8Array(newBuffer);
  
  
      newView.set(oldView);
      updateGlobalBuffer(newBuffer);
      updateGlobalBufferViews();
    }
  
    function getBinary() {
      try {
        if (Module['wasmBinary']) {
          return new Uint8Array(Module['wasmBinary']);
        }
        if (Module['readBinary']) {
          return Module['readBinary'](wasmBinaryFile);
        } else {
          throw "both async and sync fetching of the wasm failed";
        }
      }
      catch (err) {
        abort(err);
      }
    }
  
    function getBinaryPromise() {
      // if we don't have the binary yet, and have the Fetch api, use that
      // in some environments, like Electron's render process, Fetch api may be present, but have a different context than expected, let's only use it on the Web
      if (!Module['wasmBinary'] && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) && typeof fetch === 'function') {
        return fetch(wasmBinaryFile, { mode: 'cors' }).then(function(response) {
          if (!response['ok']) {
            throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
          }
          return response['arrayBuffer']();
        }).catch(function () {
          return getBinary();
        });
      }
      // Otherwise, getBinary should be able to get it synchronously
      return new Promise(function(resolve, reject) {
        resolve(getBinary());
      });
    }
  
    // do-method functions
  
  
    function doNativeWasm(global, env, providedBuffer) {
      if (typeof WebAssembly !== 'object') {
        // when the method is just native-wasm, our error message can be very specific
        abort('No WebAssembly support found. Build with -s WASM=0 to target JavaScript instead.');
        err('no native wasm support detected');
        return false;
      }
      // prepare memory import
      if (!(Module['wasmMemory'] instanceof WebAssembly.Memory)) {
        err('no native wasm Memory in use');
        return false;
      }
      env['memory'] = Module['wasmMemory'];
      // Load the wasm module and create an instance of using native support in the JS engine.
      info['global'] = {
        'NaN': NaN,
        'Infinity': Infinity
      };
      info['global.Math'] = Math;
      info['env'] = env;
      // handle a generated wasm instance, receiving its exports and
      // performing other necessary setup
      function receiveInstance(instance, module) {
        exports = instance.exports;
        if (exports.memory) mergeMemory(exports.memory);
        Module['asm'] = exports;
        Module["usingWasm"] = true;
        removeRunDependency('wasm-instantiate');
      }
      addRunDependency('wasm-instantiate');
  
      // User shell pages can write their own Module.instantiateWasm = function(imports, successCallback) callback
      // to manually instantiate the Wasm module themselves. This allows pages to run the instantiation parallel
      // to any other async startup actions they are performing.
      if (Module['instantiateWasm']) {
        try {
          return Module['instantiateWasm'](info, receiveInstance);
        } catch(e) {
          err('Module.instantiateWasm callback failed with error: ' + e);
          return false;
        }
      }
  
      // Async compilation can be confusing when an error on the page overwrites Module
      // (for example, if the order of elements is wrong, and the one defining Module is
      // later), so we save Module and check it later.
      var trueModule = Module;
      function receiveInstantiatedSource(output) {
        // 'output' is a WebAssemblyInstantiatedSource object which has both the module and instance.
        // receiveInstance() will swap in the exports (to Module.asm) so they can be called
        assert(Module === trueModule, 'the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?');
        trueModule = null;
        receiveInstance(output['instance'], output['module']);
      }
      function instantiateArrayBuffer(receiver) {
        getBinaryPromise().then(function(binary) {
          return WebAssembly.instantiate(binary, info);
        }).then(receiver, function(reason) {
          err('failed to asynchronously prepare wasm: ' + reason);
          abort(reason);
        });
      }
      // Prefer streaming instantiation if available.
      if (!Module['wasmBinary'] &&
          typeof WebAssembly.instantiateStreaming === 'function' &&
          !isDataURI(wasmBinaryFile) &&
          typeof fetch === 'function') {
        WebAssembly.instantiateStreaming(fetch(wasmBinaryFile, { credentials: 'same-origin' }), info)
          .then(receiveInstantiatedSource, function(reason) {
            // We expect the most common failure cause to be a bad MIME type for the binary,
            // in which case falling back to ArrayBuffer instantiation should work.
            err('wasm streaming compile failed: ' + reason);
            err('falling back to ArrayBuffer instantiation');
            instantiateArrayBuffer(receiveInstantiatedSource);
          });
      } else {
        instantiateArrayBuffer(receiveInstantiatedSource);
      }
      return {}; // no exports yet; we'll fill them in later
    }
  
  
    // We may have a preloaded value in Module.asm, save it
    Module['asmPreload'] = Module['asm'];
  
    // Memory growth integration code
  
    var asmjsReallocBuffer = Module['reallocBuffer'];
  
    var wasmReallocBuffer = function(size) {
      var PAGE_MULTIPLE = Module["usingWasm"] ? WASM_PAGE_SIZE : ASMJS_PAGE_SIZE; // In wasm, heap size must be a multiple of 64KB. In asm.js, they need to be multiples of 16MB.
      size = alignUp(size, PAGE_MULTIPLE); // round up to wasm page size
      var old = Module['buffer'];
      var oldSize = old.byteLength;
      if (Module["usingWasm"]) {
        // native wasm support
        try {
          var result = Module['wasmMemory'].grow((size - oldSize) / wasmPageSize); // .grow() takes a delta compared to the previous size
          if (result !== (-1 | 0)) {
            // success in native wasm memory growth, get the buffer from the memory
            return Module['buffer'] = Module['wasmMemory'].buffer;
          } else {
            return null;
          }
        } catch(e) {
          console.error('Module.reallocBuffer: Attempted to grow from ' + oldSize  + ' bytes to ' + size + ' bytes, but got error: ' + e);
          return null;
        }
      }
    };
  
    Module['reallocBuffer'] = function(size) {
      if (finalMethod === 'asmjs') {
        return asmjsReallocBuffer(size);
      } else {
        return wasmReallocBuffer(size);
      }
    };
  
    // we may try more than one; this is the final one, that worked and we are using
    var finalMethod = '';
  
    // Provide an "asm.js function" for the application, called to "link" the asm.js module. We instantiate
    // the wasm module at that time, and it receives imports and provides exports and so forth, the app
    // doesn't need to care that it is wasm or olyfilled wasm or asm.js.
  
    Module['asm'] = function(global, env, providedBuffer) {
      // import table
      if (!env['table']) {
        var TABLE_SIZE = Module['wasmTableSize'];
        if (TABLE_SIZE === undefined) TABLE_SIZE = 1024; // works in binaryen interpreter at least
        var MAX_TABLE_SIZE = Module['wasmMaxTableSize'];
        if (typeof WebAssembly === 'object' && typeof WebAssembly.Table === 'function') {
          if (MAX_TABLE_SIZE !== undefined) {
            env['table'] = new WebAssembly.Table({ 'initial': TABLE_SIZE, 'maximum': MAX_TABLE_SIZE, 'element': 'anyfunc' });
          } else {
            env['table'] = new WebAssembly.Table({ 'initial': TABLE_SIZE, element: 'anyfunc' });
          }
        } else {
          env['table'] = new Array(TABLE_SIZE); // works in binaryen interpreter at least
        }
        Module['wasmTable'] = env['table'];
      }
  
      if (!env['memoryBase']) {
        env['memoryBase'] = Module['STATIC_BASE']; // tell the memory segments where to place themselves
      }
      if (!env['tableBase']) {
        env['tableBase'] = 0; // table starts at 0 by default, in dynamic linking this will change
      }
  
      // try the methods. each should return the exports if it succeeded
  
      var exports;
      exports = doNativeWasm(global, env, providedBuffer);
  
      assert(exports, 'no binaryen method succeeded. consider enabling more options, like interpreting, if you want that: http://kripken.github.io/emscripten-site/docs/compiling/WebAssembly.html#binaryen-methods');
  
  
      return exports;
    };
  
    var methodHandler = Module['asm']; // note our method handler, as we may modify Module['asm'] later
  }
  
  integrateWasmJS();
  
  // === Body ===
  
  var ASM_CONSTS = [];
  
  
  
  
  
  STATIC_BASE = GLOBAL_BASE;
  
  STATICTOP = STATIC_BASE + 5488;
  /* global initializers */  __ATINIT__.push();
  
  
  
  
  
  
  
  var STATIC_BUMP = 5488;
  Module["STATIC_BASE"] = STATIC_BASE;
  Module["STATIC_BUMP"] = STATIC_BUMP;
  
  /* no memory initializer */
  var tempDoublePtr = STATICTOP; STATICTOP += 16;
  
  assert(tempDoublePtr % 8 == 0);
  
  function copyTempFloat(ptr) { // functions, because inlining this code increases code size too much
  
    HEAP8[tempDoublePtr] = HEAP8[ptr];
  
    HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
  
    HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
  
    HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
  
  }
  
  function copyTempDouble(ptr) {
  
    HEAP8[tempDoublePtr] = HEAP8[ptr];
  
    HEAP8[tempDoublePtr+1] = HEAP8[ptr+1];
  
    HEAP8[tempDoublePtr+2] = HEAP8[ptr+2];
  
    HEAP8[tempDoublePtr+3] = HEAP8[ptr+3];
  
    HEAP8[tempDoublePtr+4] = HEAP8[ptr+4];
  
    HEAP8[tempDoublePtr+5] = HEAP8[ptr+5];
  
    HEAP8[tempDoublePtr+6] = HEAP8[ptr+6];
  
    HEAP8[tempDoublePtr+7] = HEAP8[ptr+7];
  
  }
  
  // {{PRE_LIBRARY}}
  
  
    function ___lock() {}
  
    
    var SYSCALLS={buffers:[null,[],[]],printChar:function (stream, curr) {
          var buffer = SYSCALLS.buffers[stream];
          assert(buffer);
          if (curr === 0 || curr === 10) {
            (stream === 1 ? out : err)(UTF8ArrayToString(buffer, 0));
            buffer.length = 0;
          } else {
            buffer.push(curr);
          }
        },varargs:0,get:function (varargs) {
          SYSCALLS.varargs += 4;
          var ret = HEAP32[(((SYSCALLS.varargs)-(4))>>2)];
          return ret;
        },getStr:function () {
          var ret = Pointer_stringify(SYSCALLS.get());
          return ret;
        },get64:function () {
          var low = SYSCALLS.get(), high = SYSCALLS.get();
          if (low >= 0) assert(high === 0);
          else assert(high === -1);
          return low;
        },getZero:function () {
          assert(SYSCALLS.get() === 0);
        }};function ___syscall140(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // llseek
        var stream = SYSCALLS.getStreamFromFD(), offset_high = SYSCALLS.get(), offset_low = SYSCALLS.get(), result = SYSCALLS.get(), whence = SYSCALLS.get();
        // NOTE: offset_high is unused - Emscripten's off_t is 32-bit
        var offset = offset_low;
        FS.llseek(stream, offset, whence);
        HEAP32[((result)>>2)]=stream.position;
        if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null; // reset readdir state
        return 0;
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    
    function flush_NO_FILESYSTEM() {
        // flush anything remaining in the buffers during shutdown
        var fflush = Module["_fflush"];
        if (fflush) fflush(0);
        var buffers = SYSCALLS.buffers;
        if (buffers[1].length) SYSCALLS.printChar(1, 10);
        if (buffers[2].length) SYSCALLS.printChar(2, 10);
      }function ___syscall146(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // writev
        // hack to support printf in FILESYSTEM=0
        var stream = SYSCALLS.get(), iov = SYSCALLS.get(), iovcnt = SYSCALLS.get();
        var ret = 0;
        for (var i = 0; i < iovcnt; i++) {
          var ptr = HEAP32[(((iov)+(i*8))>>2)];
          var len = HEAP32[(((iov)+(i*8 + 4))>>2)];
          for (var j = 0; j < len; j++) {
            SYSCALLS.printChar(stream, HEAPU8[ptr+j]);
          }
          ret += len;
        }
        return ret;
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___syscall54(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // ioctl
        return 0;
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___syscall6(which, varargs) {SYSCALLS.varargs = varargs;
    try {
     // close
        var stream = SYSCALLS.getStreamFromFD();
        FS.close(stream);
        return 0;
      } catch (e) {
      if (typeof FS === 'undefined' || !(e instanceof FS.ErrnoError)) abort(e);
      return -e.errno;
    }
    }
  
    function ___unlock() {}
  
     
  
    
    function _emscripten_memcpy_big(dest, src, num) {
        HEAPU8.set(HEAPU8.subarray(src, src+num), dest);
        return dest;
      } 
  
     
  
    
    function ___setErrNo(value) {
        if (Module['___errno_location']) HEAP32[((Module['___errno_location']())>>2)]=value;
        else err('failed to set errno from JS');
        return value;
      } 
  DYNAMICTOP_PTR = staticAlloc(4);
  
  STACK_BASE = STACKTOP = alignMemory(STATICTOP);
  
  STACK_MAX = STACK_BASE + TOTAL_STACK;
  
  DYNAMIC_BASE = alignMemory(STACK_MAX);
  
  HEAP32[DYNAMICTOP_PTR>>2] = DYNAMIC_BASE;
  
  staticSealed = true; // seal the static portion of memory
  
  assert(DYNAMIC_BASE < TOTAL_MEMORY, "TOTAL_MEMORY not big enough for stack");
  
  var ASSERTIONS = true;
  
  // Copyright 2017 The Emscripten Authors.  All rights reserved.
  // Emscripten is available under two separate licenses, the MIT license and the
  // University of Illinois/NCSA Open Source License.  Both these licenses can be
  // found in the LICENSE file.
  
  /** @type {function(string, boolean=, number=)} */
  function intArrayFromString(stringy, dontAddNull, length) {
    var len = length > 0 ? length : lengthBytesUTF8(stringy)+1;
    var u8array = new Array(len);
    var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
    if (dontAddNull) u8array.length = numBytesWritten;
    return u8array;
  }
  
  function intArrayToString(array) {
    var ret = [];
    for (var i = 0; i < array.length; i++) {
      var chr = array[i];
      if (chr > 0xFF) {
        if (ASSERTIONS) {
          assert(false, 'Character code ' + chr + ' (' + String.fromCharCode(chr) + ')  at offset ' + i + ' not in 0x00-0xFF.');
        }
        chr &= 0xFF;
      }
      ret.push(String.fromCharCode(chr));
    }
    return ret.join('');
  }
  
  
  
  function nullFunc_ii(x) { err("Invalid function pointer called with signature 'ii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  function nullFunc_iiii(x) { err("Invalid function pointer called with signature 'iiii'. Perhaps this is an invalid value (e.g. caused by calling a virtual method on a NULL pointer)? Or calling a function with an incorrect type, which will fail? (it is worth building your source files with -Werror (warnings are errors), as warnings can indicate undefined behavior which can cause this)");  err("Build with ASSERTIONS=2 for more info.");abort(x) }
  
  Module['wasmTableSize'] = 10;
  
  Module['wasmMaxTableSize'] = 10;
  
  function invoke_ii(index,a1) {
    var sp = stackSave();
    try {
      return Module["dynCall_ii"](index,a1);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  function invoke_iiii(index,a1,a2,a3) {
    var sp = stackSave();
    try {
      return Module["dynCall_iiii"](index,a1,a2,a3);
    } catch(e) {
      stackRestore(sp);
      if (typeof e !== 'number' && e !== 'longjmp') throw e;
      Module["setThrew"](1, 0);
    }
  }
  
  Module.asmGlobalArg = {};
  
  Module.asmLibraryArg = { "abort": abort, "assert": assert, "enlargeMemory": enlargeMemory, "getTotalMemory": getTotalMemory, "abortOnCannotGrowMemory": abortOnCannotGrowMemory, "abortStackOverflow": abortStackOverflow, "nullFunc_ii": nullFunc_ii, "nullFunc_iiii": nullFunc_iiii, "invoke_ii": invoke_ii, "invoke_iiii": invoke_iiii, "___lock": ___lock, "___setErrNo": ___setErrNo, "___syscall140": ___syscall140, "___syscall146": ___syscall146, "___syscall54": ___syscall54, "___syscall6": ___syscall6, "___unlock": ___unlock, "_emscripten_memcpy_big": _emscripten_memcpy_big, "flush_NO_FILESYSTEM": flush_NO_FILESYSTEM, "DYNAMICTOP_PTR": DYNAMICTOP_PTR, "tempDoublePtr": tempDoublePtr, "STACKTOP": STACKTOP, "STACK_MAX": STACK_MAX };
  // EMSCRIPTEN_START_ASM
  var asm =Module["asm"]// EMSCRIPTEN_END_ASM
  (Module.asmGlobalArg, Module.asmLibraryArg, buffer);
  
  var real____errno_location = asm["___errno_location"]; asm["___errno_location"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real____errno_location.apply(null, arguments);
  };
  
  var real__fflush = asm["_fflush"]; asm["_fflush"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__fflush.apply(null, arguments);
  };
  
  var real__free = asm["_free"]; asm["_free"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__free.apply(null, arguments);
  };
  
  var real__llvm_bswap_i32 = asm["_llvm_bswap_i32"]; asm["_llvm_bswap_i32"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__llvm_bswap_i32.apply(null, arguments);
  };
  
  var real__main = asm["_main"]; asm["_main"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__main.apply(null, arguments);
  };
  
  var real__malloc = asm["_malloc"]; asm["_malloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__malloc.apply(null, arguments);
  };
  
  var real__sbrk = asm["_sbrk"]; asm["_sbrk"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real__sbrk.apply(null, arguments);
  };
  
  var real_establishStackSpace = asm["establishStackSpace"]; asm["establishStackSpace"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_establishStackSpace.apply(null, arguments);
  };
  
  var real_getTempRet0 = asm["getTempRet0"]; asm["getTempRet0"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_getTempRet0.apply(null, arguments);
  };
  
  var real_setTempRet0 = asm["setTempRet0"]; asm["setTempRet0"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_setTempRet0.apply(null, arguments);
  };
  
  var real_setThrew = asm["setThrew"]; asm["setThrew"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_setThrew.apply(null, arguments);
  };
  
  var real_stackAlloc = asm["stackAlloc"]; asm["stackAlloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_stackAlloc.apply(null, arguments);
  };
  
  var real_stackRestore = asm["stackRestore"]; asm["stackRestore"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_stackRestore.apply(null, arguments);
  };
  
  var real_stackSave = asm["stackSave"]; asm["stackSave"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return real_stackSave.apply(null, arguments);
  };
  Module["asm"] = asm;
  var ___errno_location = Module["___errno_location"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["___errno_location"].apply(null, arguments) };
  var _fflush = Module["_fflush"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_fflush"].apply(null, arguments) };
  var _free = Module["_free"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_free"].apply(null, arguments) };
  var _llvm_bswap_i32 = Module["_llvm_bswap_i32"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_llvm_bswap_i32"].apply(null, arguments) };
  var _main = Module["_main"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_main"].apply(null, arguments) };
  var _malloc = Module["_malloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_malloc"].apply(null, arguments) };
  var _memcpy = Module["_memcpy"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_memcpy"].apply(null, arguments) };
  var _memset = Module["_memset"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_memset"].apply(null, arguments) };
  var _sbrk = Module["_sbrk"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["_sbrk"].apply(null, arguments) };
  var establishStackSpace = Module["establishStackSpace"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["establishStackSpace"].apply(null, arguments) };
  var getTempRet0 = Module["getTempRet0"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["getTempRet0"].apply(null, arguments) };
  var runPostSets = Module["runPostSets"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["runPostSets"].apply(null, arguments) };
  var setTempRet0 = Module["setTempRet0"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["setTempRet0"].apply(null, arguments) };
  var setThrew = Module["setThrew"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["setThrew"].apply(null, arguments) };
  var stackAlloc = Module["stackAlloc"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["stackAlloc"].apply(null, arguments) };
  var stackRestore = Module["stackRestore"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["stackRestore"].apply(null, arguments) };
  var stackSave = Module["stackSave"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["stackSave"].apply(null, arguments) };
  var dynCall_ii = Module["dynCall_ii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_ii"].apply(null, arguments) };
  var dynCall_iiii = Module["dynCall_iiii"] = function() {
    assert(runtimeInitialized, 'you need to wait for the runtime to be ready (e.g. wait for main() to be called)');
    assert(!runtimeExited, 'the runtime was exited (use NO_EXIT_RUNTIME to keep it alive after main() exits)');
    return Module["asm"]["dynCall_iiii"].apply(null, arguments) };
  ;
  
  
  
  // === Auto-generated postamble setup entry stuff ===
  
  Module['asm'] = asm;
  
  if (!Module["intArrayFromString"]) Module["intArrayFromString"] = function() { abort("'intArrayFromString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["intArrayToString"]) Module["intArrayToString"] = function() { abort("'intArrayToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["ccall"]) Module["ccall"] = function() { abort("'ccall' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["cwrap"]) Module["cwrap"] = function() { abort("'cwrap' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["setValue"]) Module["setValue"] = function() { abort("'setValue' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getValue"]) Module["getValue"] = function() { abort("'getValue' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["allocate"]) Module["allocate"] = function() { abort("'allocate' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getMemory"]) Module["getMemory"] = function() { abort("'getMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["Pointer_stringify"]) Module["Pointer_stringify"] = function() { abort("'Pointer_stringify' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["AsciiToString"]) Module["AsciiToString"] = function() { abort("'AsciiToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToAscii"]) Module["stringToAscii"] = function() { abort("'stringToAscii' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["UTF8ArrayToString"]) Module["UTF8ArrayToString"] = function() { abort("'UTF8ArrayToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["UTF8ToString"]) Module["UTF8ToString"] = function() { abort("'UTF8ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToUTF8Array"]) Module["stringToUTF8Array"] = function() { abort("'stringToUTF8Array' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToUTF8"]) Module["stringToUTF8"] = function() { abort("'stringToUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["lengthBytesUTF8"]) Module["lengthBytesUTF8"] = function() { abort("'lengthBytesUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["UTF16ToString"]) Module["UTF16ToString"] = function() { abort("'UTF16ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToUTF16"]) Module["stringToUTF16"] = function() { abort("'stringToUTF16' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["lengthBytesUTF16"]) Module["lengthBytesUTF16"] = function() { abort("'lengthBytesUTF16' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["UTF32ToString"]) Module["UTF32ToString"] = function() { abort("'UTF32ToString' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stringToUTF32"]) Module["stringToUTF32"] = function() { abort("'stringToUTF32' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["lengthBytesUTF32"]) Module["lengthBytesUTF32"] = function() { abort("'lengthBytesUTF32' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["allocateUTF8"]) Module["allocateUTF8"] = function() { abort("'allocateUTF8' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stackTrace"]) Module["stackTrace"] = function() { abort("'stackTrace' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnPreRun"]) Module["addOnPreRun"] = function() { abort("'addOnPreRun' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnInit"]) Module["addOnInit"] = function() { abort("'addOnInit' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnPreMain"]) Module["addOnPreMain"] = function() { abort("'addOnPreMain' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnExit"]) Module["addOnExit"] = function() { abort("'addOnExit' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addOnPostRun"]) Module["addOnPostRun"] = function() { abort("'addOnPostRun' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["writeStringToMemory"]) Module["writeStringToMemory"] = function() { abort("'writeStringToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["writeArrayToMemory"]) Module["writeArrayToMemory"] = function() { abort("'writeArrayToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["writeAsciiToMemory"]) Module["writeAsciiToMemory"] = function() { abort("'writeAsciiToMemory' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addRunDependency"]) Module["addRunDependency"] = function() { abort("'addRunDependency' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["removeRunDependency"]) Module["removeRunDependency"] = function() { abort("'removeRunDependency' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["ENV"]) Module["ENV"] = function() { abort("'ENV' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["FS"]) Module["FS"] = function() { abort("'FS' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["FS_createFolder"]) Module["FS_createFolder"] = function() { abort("'FS_createFolder' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["FS_createPath"]) Module["FS_createPath"] = function() { abort("'FS_createPath' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["FS_createDataFile"]) Module["FS_createDataFile"] = function() { abort("'FS_createDataFile' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["FS_createPreloadedFile"]) Module["FS_createPreloadedFile"] = function() { abort("'FS_createPreloadedFile' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["FS_createLazyFile"]) Module["FS_createLazyFile"] = function() { abort("'FS_createLazyFile' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["FS_createLink"]) Module["FS_createLink"] = function() { abort("'FS_createLink' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["FS_createDevice"]) Module["FS_createDevice"] = function() { abort("'FS_createDevice' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["FS_unlink"]) Module["FS_unlink"] = function() { abort("'FS_unlink' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ). Alternatively, forcing filesystem support (-s FORCE_FILESYSTEM=1) can export this for you") };
  if (!Module["GL"]) Module["GL"] = function() { abort("'GL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["staticAlloc"]) Module["staticAlloc"] = function() { abort("'staticAlloc' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["dynamicAlloc"]) Module["dynamicAlloc"] = function() { abort("'dynamicAlloc' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["warnOnce"]) Module["warnOnce"] = function() { abort("'warnOnce' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["loadDynamicLibrary"]) Module["loadDynamicLibrary"] = function() { abort("'loadDynamicLibrary' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["loadWebAssemblyModule"]) Module["loadWebAssemblyModule"] = function() { abort("'loadWebAssemblyModule' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getLEB"]) Module["getLEB"] = function() { abort("'getLEB' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getFunctionTables"]) Module["getFunctionTables"] = function() { abort("'getFunctionTables' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["alignFunctionTables"]) Module["alignFunctionTables"] = function() { abort("'alignFunctionTables' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["registerFunctions"]) Module["registerFunctions"] = function() { abort("'registerFunctions' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["addFunction"]) Module["addFunction"] = function() { abort("'addFunction' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["removeFunction"]) Module["removeFunction"] = function() { abort("'removeFunction' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getFuncWrapper"]) Module["getFuncWrapper"] = function() { abort("'getFuncWrapper' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["prettyPrint"]) Module["prettyPrint"] = function() { abort("'prettyPrint' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["makeBigInt"]) Module["makeBigInt"] = function() { abort("'makeBigInt' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["dynCall"]) Module["dynCall"] = function() { abort("'dynCall' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["getCompilerSetting"]) Module["getCompilerSetting"] = function() { abort("'getCompilerSetting' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stackSave"]) Module["stackSave"] = function() { abort("'stackSave' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stackRestore"]) Module["stackRestore"] = function() { abort("'stackRestore' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["stackAlloc"]) Module["stackAlloc"] = function() { abort("'stackAlloc' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["establishStackSpace"]) Module["establishStackSpace"] = function() { abort("'establishStackSpace' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["print"]) Module["print"] = function() { abort("'print' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };
  if (!Module["printErr"]) Module["printErr"] = function() { abort("'printErr' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") };if (!Module["ALLOC_NORMAL"]) Object.defineProperty(Module, "ALLOC_NORMAL", { get: function() { abort("'ALLOC_NORMAL' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  if (!Module["ALLOC_STACK"]) Object.defineProperty(Module, "ALLOC_STACK", { get: function() { abort("'ALLOC_STACK' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  if (!Module["ALLOC_STATIC"]) Object.defineProperty(Module, "ALLOC_STATIC", { get: function() { abort("'ALLOC_STATIC' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  if (!Module["ALLOC_DYNAMIC"]) Object.defineProperty(Module, "ALLOC_DYNAMIC", { get: function() { abort("'ALLOC_DYNAMIC' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  if (!Module["ALLOC_NONE"]) Object.defineProperty(Module, "ALLOC_NONE", { get: function() { abort("'ALLOC_NONE' was not exported. add it to EXTRA_EXPORTED_RUNTIME_METHODS (see the FAQ)") } });
  
  
  
  
  /**
   * @constructor
   * @extends {Error}
   * @this {ExitStatus}
   */
  function ExitStatus(status) {
    this.name = "ExitStatus";
    this.message = "Program terminated with exit(" + status + ")";
    this.status = status;
  };
  ExitStatus.prototype = new Error();
  ExitStatus.prototype.constructor = ExitStatus;
  
  var initialStackTop;
  var calledMain = false;
  
  dependenciesFulfilled = function runCaller() {
    // If run has never been called, and we should call run (INVOKE_RUN is true, and Module.noInitialRun is not false)
    if (!Module['calledRun']) run();
    if (!Module['calledRun']) dependenciesFulfilled = runCaller; // try this again later, after new deps are fulfilled
  }
  
  Module['callMain'] = function callMain(args) {
    assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on __ATMAIN__)');
    assert(__ATPRERUN__.length == 0, 'cannot call main when preRun functions remain to be called');
  
    args = args || [];
  
    ensureInitRuntime();
  
    var argc = args.length+1;
    var argv = stackAlloc((argc + 1) * 4);
    HEAP32[argv >> 2] = allocateUTF8OnStack(Module['thisProgram']);
    for (var i = 1; i < argc; i++) {
      HEAP32[(argv >> 2) + i] = allocateUTF8OnStack(args[i - 1]);
    }
    HEAP32[(argv >> 2) + argc] = 0;
  
  
    try {
  
      var ret = Module['_main'](argc, argv, 0);
  
  
      // if we're not running an evented main loop, it's time to exit
        exit(ret, /* implicit = */ true);
    }
    catch(e) {
      if (e instanceof ExitStatus) {
        // exit() throws this once it's done to make sure execution
        // has been stopped completely
        return;
      } else if (e == 'SimulateInfiniteLoop') {
        // running an evented main loop, don't immediately exit
        Module['noExitRuntime'] = true;
        return;
      } else {
        var toLog = e;
        if (e && typeof e === 'object' && e.stack) {
          toLog = [e, e.stack];
        }
        err('exception thrown: ' + toLog);
        Module['quit'](1, e);
      }
    } finally {
      calledMain = true;
    }
  }
  
  
  
  
  /** @type {function(Array=)} */
  function run(args) {
    args = args || Module['arguments'];
  
    if (runDependencies > 0) {
      return;
    }
  
    writeStackCookie();
  
    preRun();
  
    if (runDependencies > 0) return; // a preRun added a dependency, run will be called later
    if (Module['calledRun']) return; // run may have just been called through dependencies being fulfilled just in this very frame
  
    function doRun() {
      if (Module['calledRun']) return; // run may have just been called while the async setStatus time below was happening
      Module['calledRun'] = true;
  
      if (ABORT) return;
  
      ensureInitRuntime();
  
      preMain();
  
      if (Module['onRuntimeInitialized']) Module['onRuntimeInitialized']();
  
      if (Module['_main'] && shouldRunNow) Module['callMain'](args);
  
      postRun();
    }
  
    if (Module['setStatus']) {
      Module['setStatus']('Running...');
      setTimeout(function() {
        setTimeout(function() {
          Module['setStatus']('');
        }, 1);
        doRun();
      }, 1);
    } else {
      doRun();
    }
    checkStackCookie();
  }
  Module['run'] = run;
  
  function checkUnflushedContent() {
    // Compiler settings do not allow exiting the runtime, so flushing
    // the streams is not possible. but in ASSERTIONS mode we check
    // if there was something to flush, and if so tell the user they
    // should request that the runtime be exitable.
    // Normally we would not even include flush() at all, but in ASSERTIONS
    // builds we do so just for this check, and here we see if there is any
    // content to flush, that is, we check if there would have been
    // something a non-ASSERTIONS build would have not seen.
    // How we flush the streams depends on whether we are in FILESYSTEM=0
    // mode (which has its own special function for this; otherwise, all
    // the code is inside libc)
    var print = out;
    var printErr = err;
    var has = false;
    out = err = function(x) {
      has = true;
    }
    try { // it doesn't matter if it fails
      var flush = flush_NO_FILESYSTEM;
      if (flush) flush(0);
    } catch(e) {}
    out = print;
    err = printErr;
    if (has) {
      warnOnce('stdio streams had content in them that was not flushed. you should set EXIT_RUNTIME to 1 (see the FAQ), or make sure to emit a newline when you printf etc.');
    }
  }
  
  function exit(status, implicit) {
    checkUnflushedContent();
  
    // if this is just main exit-ing implicitly, and the status is 0, then we
    // don't need to do anything here and can just leave. if the status is
    // non-zero, though, then we need to report it.
    // (we may have warned about this earlier, if a situation justifies doing so)
    if (implicit && Module['noExitRuntime'] && status === 0) {
      return;
    }
  
    if (Module['noExitRuntime']) {
      // if exit() was called, we may warn the user if the runtime isn't actually being shut down
      if (!implicit) {
        err('exit(' + status + ') called, but EXIT_RUNTIME is not set, so halting execution but not exiting the runtime or preventing further async execution (build with EXIT_RUNTIME=1, if you want a true shutdown)');
      }
    } else {
  
      ABORT = true;
      EXITSTATUS = status;
      STACKTOP = initialStackTop;
  
      exitRuntime();
  
      if (Module['onExit']) Module['onExit'](status);
    }
  
    Module['quit'](status, new ExitStatus(status));
  }
  
  var abortDecorators = [];
  
  function abort(what) {
    if (Module['onAbort']) {
      Module['onAbort'](what);
    }
  
    if (what !== undefined) {
      out(what);
      err(what);
      what = JSON.stringify(what)
    } else {
      what = '';
    }
  
    ABORT = true;
    EXITSTATUS = 1;
  
    var extra = '';
    var output = 'abort(' + what + ') at ' + stackTrace() + extra;
    if (abortDecorators) {
      abortDecorators.forEach(function(decorator) {
        output = decorator(output, what);
      });
    }
    throw output;
  }
  Module['abort'] = abort;
  
  if (Module['preInit']) {
    if (typeof Module['preInit'] == 'function') Module['preInit'] = [Module['preInit']];
    while (Module['preInit'].length > 0) {
      Module['preInit'].pop()();
    }
  }
  
  // shouldRunNow refers to calling main(), not run().
  var shouldRunNow = true;
  if (Module['noInitialRun']) {
    shouldRunNow = false;
  }
  
  Module["noExitRuntime"] = true;
  
  run();
  
  
  
  
  
  // {{MODULE_ADDITIONS}}
  
  
  
  