text: // Copyright 2011 The Closure Library Authors. All Rights Reserved.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS-IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  
  /**
   * @fileoverview Supplies global data types and constants for the vector math
   *     library.
   */
  goog.provide('goog.vec');
  goog.provide('goog.vec.AnyType');
  goog.provide('goog.vec.ArrayType');
  goog.provide('goog.vec.Float32');
  goog.provide('goog.vec.Float64');
  goog.provide('goog.vec.Number');
  
  
  /**
   * On platforms that don't have native Float32Array or Float64Array support we
   * use a javascript implementation so that this math library can be used on all
   * platforms.
   * @suppress {extraRequire}
   */
  goog.require('goog.vec.Float32Array');
  /** @suppress {extraRequire} */
  goog.require('goog.vec.Float64Array');
  
  // All vector and matrix operations are based upon arrays of numbers using
  // either Float32Array, Float64Array, or a standard Javascript Array of
  // Numbers.
  
  
  /** @typedef {Float32Array} */
  goog.vec.Float32;
  
  
  /** @typedef {Float64Array} */
  goog.vec.Float64;
  
  
  /** @typedef {Array.<number>} */
  goog.vec.Number;
  
  
  /** @typedef {goog.vec.Float32|goog.vec.Float64|goog.vec.Number} */
  goog.vec.AnyType;
  
  
  /**
   * @deprecated Use AnyType.
   * @typedef {Float32Array|Array.<number>}
   */
  goog.vec.ArrayType;
  
  
  /**
   * For graphics work, 6 decimal places of accuracy are typically all that is
   * required.
   *
   * @type {number}
   * @const
   */
  goog.vec.EPSILON = 1e-6;
  