text: 'use strict';
  var global         = require('./_global')
    , DESCRIPTORS    = require('./_descriptors')
    , LIBRARY        = require('./_library')
    , $typed         = require('./_typed')
    , hide           = require('./_hide')
    , redefineAll    = require('./_redefine-all')
    , fails          = require('./_fails')
    , anInstance     = require('./_an-instance')
    , toInteger      = require('./_to-integer')
    , toLength       = require('./_to-length')
    , gOPN           = require('./_object-gopn').f
    , dP             = require('./_object-dp').f
    , arrayFill      = require('./_array-fill')
    , setToStringTag = require('./_set-to-string-tag')
    , ARRAY_BUFFER   = 'ArrayBuffer'
    , DATA_VIEW      = 'DataView'
    , PROTOTYPE      = 'prototype'
    , WRONG_LENGTH   = 'Wrong length!'
    , WRONG_INDEX    = 'Wrong index!'
    , $ArrayBuffer   = global[ARRAY_BUFFER]
    , $DataView      = global[DATA_VIEW]
    , Math           = global.Math
    , parseInt       = global.parseInt
    , RangeError     = global.RangeError
    , Infinity       = global.Infinity
    , BaseBuffer     = $ArrayBuffer
    , abs            = Math.abs
    , pow            = Math.pow
    , min            = Math.min
    , floor          = Math.floor
    , log            = Math.log
    , LN2            = Math.LN2
    , BUFFER         = 'buffer'
    , BYTE_LENGTH    = 'byteLength'
    , BYTE_OFFSET    = 'byteOffset'
    , $BUFFER        = DESCRIPTORS ? '_b' : BUFFER
    , $LENGTH        = DESCRIPTORS ? '_l' : BYTE_LENGTH
    , $OFFSET        = DESCRIPTORS ? '_o' : BYTE_OFFSET;
  
  // IEEE754 conversions based on https://github.com/feross/ieee754
  var packIEEE754 = function(value, mLen, nBytes){
    var buffer = Array(nBytes)
      , eLen   = nBytes * 8 - mLen - 1
      , eMax   = (1 << eLen) - 1
      , eBias  = eMax >> 1
      , rt     = mLen === 23 ? pow(2, -24) - pow(2, -77) : 0
      , i      = 0
      , s      = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0
      , e, m, c;
    value = abs(value)
    if(value != value || value === Infinity){
      m = value != value ? 1 : 0;
      e = eMax;
    } else {
      e = floor(log(value) / LN2);
      if(value * (c = pow(2, -e)) < 1){
        e--;
        c *= 2;
      }
      if(e + eBias >= 1){
        value += rt / c;
      } else {
        value += rt * pow(2, 1 - eBias);
      }
      if(value * c >= 2){
        e++;
        c /= 2;
      }
      if(e + eBias >= eMax){
        m = 0;
        e = eMax;
      } else if(e + eBias >= 1){
        m = (value * c - 1) * pow(2, mLen);
        e = e + eBias;
      } else {
        m = value * pow(2, eBias - 1) * pow(2, mLen);
        e = 0;
      }
    }
    for(; mLen >= 8; buffer[i++] = m & 255, m /= 256, mLen -= 8);
    e = e << mLen | m;
    eLen += mLen;
    for(; eLen > 0; buffer[i++] = e & 255, e /= 256, eLen -= 8);
    buffer[--i] |= s * 128;
    return buffer;
  };
  var unpackIEEE754 = function(buffer, mLen, nBytes){
    var eLen  = nBytes * 8 - mLen - 1
      , eMax  = (1 << eLen) - 1
      , eBias = eMax >> 1
      , nBits = eLen - 7
      , i     = nBytes - 1
      , s     = buffer[i--]
      , e     = s & 127
      , m;
    s >>= 7;
    for(; nBits > 0; e = e * 256 + buffer[i], i--, nBits -= 8);
    m = e & (1 << -nBits) - 1;
    e >>= -nBits;
    nBits += mLen;
    for(; nBits > 0; m = m * 256 + buffer[i], i--, nBits -= 8);
    if(e === 0){
      e = 1 - eBias;
    } else if(e === eMax){
      return m ? NaN : s ? -Infinity : Infinity;
    } else {
      m = m + pow(2, mLen);
      e = e - eBias;
    } return (s ? -1 : 1) * m * pow(2, e - mLen);
  };
  
  var unpackI32 = function(bytes){
    return bytes[3] << 24 | bytes[2] << 16 | bytes[1] << 8 | bytes[0];
  };
  var packI8 = function(it){
    return [it & 0xff];
  };
  var packI16 = function(it){
    return [it & 0xff, it >> 8 & 0xff];
  };
  var packI32 = function(it){
    return [it & 0xff, it >> 8 & 0xff, it >> 16 & 0xff, it >> 24 & 0xff];
  };
  var packF64 = function(it){
    return packIEEE754(it, 52, 8);
  };
  var packF32 = function(it){
    return packIEEE754(it, 23, 4);
  };
  
  var addGetter = function(C, key, internal){
    dP(C[PROTOTYPE], key, {get: function(){ return this[internal]; }});
  };
  
  var get = function(view, bytes, index, isLittleEndian){
    var numIndex = +index
      , intIndex = toInteger(numIndex);
    if(numIndex != intIndex || intIndex < 0 || intIndex + bytes > view[$LENGTH])throw RangeError(WRONG_INDEX);
    var store = view[$BUFFER]._b
      , start = intIndex + view[$OFFSET]
      , pack  = store.slice(start, start + bytes);
    return isLittleEndian ? pack : pack.reverse();
  };
  var set = function(view, bytes, index, conversion, value, isLittleEndian){
    var numIndex = +index
      , intIndex = toInteger(numIndex);
    if(numIndex != intIndex || intIndex < 0 || intIndex + bytes > view[$LENGTH])throw RangeError(WRONG_INDEX);
    var store = view[$BUFFER]._b
      , start = intIndex + view[$OFFSET]
      , pack  = conversion(+value);
    for(var i = 0; i < bytes; i++)store[start + i] = pack[isLittleEndian ? i : bytes - i - 1];
  };
  
  var validateArrayBufferArguments = function(that, length){
    anInstance(that, $ArrayBuffer, ARRAY_BUFFER);
    var numberLength = +length
      , byteLength   = toLength(numberLength);
    if(numberLength != byteLength)throw RangeError(WRONG_LENGTH);
    return byteLength;
  };
  
  if(!$typed.ABV){
    $ArrayBuffer = function ArrayBuffer(length){
      var byteLength = validateArrayBufferArguments(this, length);
      this._b       = arrayFill.call(Array(byteLength), 0);
      this[$LENGTH] = byteLength;
    };
  
    $DataView = function DataView(buffer, byteOffset, byteLength){
      anInstance(this, $DataView, DATA_VIEW);
      anInstance(buffer, $ArrayBuffer, DATA_VIEW);
      var bufferLength = buffer[$LENGTH]
        , offset       = toInteger(byteOffset);
      if(offset < 0 || offset > bufferLength)throw RangeError('Wrong offset!');
      byteLength = byteLength === undefined ? bufferLength - offset : toLength(byteLength);
      if(offset + byteLength > bufferLength)throw RangeError(WRONG_LENGTH);
      this[$BUFFER] = buffer;
      this[$OFFSET] = offset;
      this[$LENGTH] = byteLength;
    };
  
    if(DESCRIPTORS){
      addGetter($ArrayBuffer, BYTE_LENGTH, '_l');
      addGetter($DataView, BUFFER, '_b');
      addGetter($DataView, BYTE_LENGTH, '_l');
      addGetter($DataView, BYTE_OFFSET, '_o');
    }
  
    redefineAll($DataView[PROTOTYPE], {
      getInt8: function getInt8(byteOffset){
        return get(this, 1, byteOffset)[0] << 24 >> 24;
      },
      getUint8: function getUint8(byteOffset){
        return get(this, 1, byteOffset)[0];
      },
      getInt16: function getInt16(byteOffset /*, littleEndian */){
        var bytes = get(this, 2, byteOffset, arguments[1]);
        return (bytes[1] << 8 | bytes[0]) << 16 >> 16;
      },
      getUint16: function getUint16(byteOffset /*, littleEndian */){
        var bytes = get(this, 2, byteOffset, arguments[1]);
        return bytes[1] << 8 | bytes[0];
      },
      getInt32: function getInt32(byteOffset /*, littleEndian */){
        return unpackI32(get(this, 4, byteOffset, arguments[1]));
      },
      getUint32: function getUint32(byteOffset /*, littleEndian */){
        return unpackI32(get(this, 4, byteOffset, arguments[1])) >>> 0;
      },
      getFloat32: function getFloat32(byteOffset /*, littleEndian */){
        return unpackIEEE754(get(this, 4, byteOffset, arguments[1]), 23, 4);
      },
      getFloat64: function getFloat64(byteOffset /*, littleEndian */){
        return unpackIEEE754(get(this, 8, byteOffset, arguments[1]), 52, 8);
      },
      setInt8: function setInt8(byteOffset, value){
        set(this, 1, byteOffset, packI8, value);
      },
      setUint8: function setUint8(byteOffset, value){
        set(this, 1, byteOffset, packI8, value);
      },
      setInt16: function setInt16(byteOffset, value /*, littleEndian */){
        set(this, 2, byteOffset, packI16, value, arguments[2]);
      },
      setUint16: function setUint16(byteOffset, value /*, littleEndian */){
        set(this, 2, byteOffset, packI16, value, arguments[2]);
      },
      setInt32: function setInt32(byteOffset, value /*, littleEndian */){
        set(this, 4, byteOffset, packI32, value, arguments[2]);
      },
      setUint32: function setUint32(byteOffset, value /*, littleEndian */){
        set(this, 4, byteOffset, packI32, value, arguments[2]);
      },
      setFloat32: function setFloat32(byteOffset, value /*, littleEndian */){
        set(this, 4, byteOffset, packF32, value, arguments[2]);
      },
      setFloat64: function setFloat64(byteOffset, value /*, littleEndian */){
        set(this, 8, byteOffset, packF64, value, arguments[2]);
      }
    });
  } else {
    if(!fails(function(){
      new $ArrayBuffer;     // eslint-disable-line no-new
    }) || !fails(function(){
      new $ArrayBuffer(.5); // eslint-disable-line no-new
    })){
      $ArrayBuffer = function ArrayBuffer(length){
        return new BaseBuffer(validateArrayBufferArguments(this, length));
      };
      var ArrayBufferProto = $ArrayBuffer[PROTOTYPE] = BaseBuffer[PROTOTYPE];
      for(var keys = gOPN(BaseBuffer), j = 0, key; keys.length > j; ){
        if(!((key = keys[j++]) in $ArrayBuffer))hide($ArrayBuffer, key, BaseBuffer[key]);
      };
      if(!LIBRARY)ArrayBufferProto.constructor = $ArrayBuffer;
    }
    // iOS Safari 7.x bug
    var view = new $DataView(new $ArrayBuffer(2))
      , $setInt8 = $DataView[PROTOTYPE].setInt8;
    view.setInt8(0, 2147483648);
    view.setInt8(1, 2147483649);
    if(view.getInt8(0) || !view.getInt8(1))redefineAll($DataView[PROTOTYPE], {
      setInt8: function setInt8(byteOffset, value){
        $setInt8.call(this, byteOffset, value << 24 >> 24);
      },
      setUint8: function setUint8(byteOffset, value){
        $setInt8.call(this, byteOffset, value << 24 >> 24);
      }
    }, true);
  }
  setToStringTag($ArrayBuffer, ARRAY_BUFFER);
  setToStringTag($DataView, DATA_VIEW);
  hide($DataView[PROTOTYPE], $typed.VIEW, true);
  exports[ARRAY_BUFFER] = $ArrayBuffer;
  exports[DATA_VIEW] = $DataView;