fix #110 and ensure test tests for value

Author: robertleeplummerjr

browser.js

@@ -6,7 +6,7 @@
  *   license: MIT (http://opensource.org/licenses/MIT)
  *   author: Heather Arthur <[email protected]>
  *   homepage: https://github.com/brainjs/brain.js#readme
- *   version: 1.0.0-rc.7
+ *   version: 1.0.0-rc.8
  *
  * acorn:
  *   license: MIT (http://opensource.org/licenses/MIT)
@@ -3702,7 +3702,7 @@ var RNN = function () {
         }
       }
 
-      var src = '\n  if (typeof input === \'undefined\') input = [];\n  if (typeof maxPredictionLength === \'undefined\') maxPredictionLength = 100;\n  if (typeof isSampleI === \'undefined\') isSampleI = false;\n  if (typeof temperature === \'undefined\') temperature = 1;\n  ' + (this.dataFormatter !== null ? this.dataFormatter.toFunctionString() : '') + '\n  \n  ' + (this.dataFormatter !== null && typeof this.formatDataIn === 'function' ? 'input = formatDataIn(input);' : '') + '\n        \n  var json = ' + jsonString + ';\n  var _i = 0;\n  var output = [];\n  var states = [];\n  var prevStates;\n  while (true) {\n    var previousIndex = (_i === 0\n        ? 0\n        : _i < input.length\n          ? input[_i - 1] + 1\n          : output[_i - 1])\n          ;\n    var rowPluckIndex = previousIndex;\n    prevStates = states;\n    states = [];\n    ' + statesRaw.join(';\n    ') + ';\n    for (var stateIndex = 0, stateMax = ' + statesRaw.length + '; stateIndex < stateMax; stateIndex++) {\n      var state = states[stateIndex];\n      var product = state.product;\n      var left = state.left;\n      var right = state.right;\n      \n      switch (state.name) {\n' + innerFunctionsSwitch.join('\n') + '\n      }\n    }\n    \n    var logProbabilities = state.product;\n    if (temperature !== 1 && isSampleI) {\n      for (var q = 0, nq = logProbabilities.weights.length; q < nq; q++) {\n        logProbabilities.weights[q] /= temperature;\n      }\n    }\n\n    var probs = softmax(logProbabilities);\n    var nextIndex = isSampleI ? sampleI(probs) : maxI(probs);\n    \n    _i++;\n    if (nextIndex === 0) {\n      break;\n    }\n    if (_i >= maxPredictionLength) {\n      break;\n    }\n\n    output.push(nextIndex);\n  }\n  ' + (this.dataFormatter !== null && typeof this.formatDataOut === 'function' ? 'return formatDataOut(output.slice(input.length).map(function(value) { return value - 1; }))' : 'return output.slice(input.length).map(function(value) { return value - 1; })') + ';\n  function Matrix(rows, columns) {\n    this.rows = rows;\n    this.columns = columns;\n    this.weights = zeros(rows * columns);\n  }\n  ' + (this.dataFormatter !== null && typeof this.formatDataIn === 'function' ? 'function formatDataIn(input, output) { ' + toInner(this.formatDataIn.toString()).replace(/this[.]dataFormatter[.]/g, '').replace(/this[.]dataFormatter/g, 'true') + ' }' : '') + '\n  ' + (this.dataFormatter !== null && typeof this.formatDataOut === 'function' ? 'function formatDataOut(output) { ' + toInner(this.formatDataIn.toString()).replace(/this[.]dataFormatter[.]/g, '').replace(/this[.]dataFormatter/g, 'true') + ' }' : '') + '\n  ' + _zeros2.default.toString() + '\n  ' + _softmax2.default.toString().replace('_2.default', 'Matrix') + '\n  ' + _random.randomF.toString() + '\n  ' + _sampleI2.default.toString() + '\n  ' + _maxI2.default.toString();
+      var src = '\n  if (typeof rawInput === \'undefined\') rawInput = [];\n  if (typeof maxPredictionLength === \'undefined\') maxPredictionLength = 100;\n  if (typeof isSampleI === \'undefined\') isSampleI = false;\n  if (typeof temperature === \'undefined\') temperature = 1;\n  ' + (this.dataFormatter !== null ? this.dataFormatter.toFunctionString() : '') + '\n  \n  var input = ' + (this.dataFormatter !== null && typeof this.formatDataIn === 'function' ? 'formatDataIn(rawInput)' : 'rawInput') + ';\n  var json = ' + jsonString + ';\n  var _i = 0;\n  var output = [];\n  var states = [];\n  var prevStates;\n  while (true) {\n    var previousIndex = (_i === 0\n        ? 0\n        : _i < input.length\n          ? input[_i - 1] + 1\n          : output[_i - 1])\n          ;\n    var rowPluckIndex = previousIndex;\n    prevStates = states;\n    states = [];\n    ' + statesRaw.join(';\n    ') + ';\n    for (var stateIndex = 0, stateMax = ' + statesRaw.length + '; stateIndex < stateMax; stateIndex++) {\n      var state = states[stateIndex];\n      var product = state.product;\n      var left = state.left;\n      var right = state.right;\n      \n      switch (state.name) {\n' + innerFunctionsSwitch.join('\n') + '\n      }\n    }\n    \n    var logProbabilities = state.product;\n    if (temperature !== 1 && isSampleI) {\n      for (var q = 0, nq = logProbabilities.weights.length; q < nq; q++) {\n        logProbabilities.weights[q] /= temperature;\n      }\n    }\n\n    var probs = softmax(logProbabilities);\n    var nextIndex = isSampleI ? sampleI(probs) : maxI(probs);\n    \n    _i++;\n    if (nextIndex === 0) {\n      break;\n    }\n    if (_i >= maxPredictionLength) {\n      break;\n    }\n\n    output.push(nextIndex);\n  }\n  ' + (this.dataFormatter !== null && typeof this.formatDataOut === 'function' ? 'return formatDataOut(input, output.slice(input.length).map(function(value) { return value - 1; }))' : 'return output.slice(input.length).map(function(value) { return value - 1; })') + ';\n  function Matrix(rows, columns) {\n    this.rows = rows;\n    this.columns = columns;\n    this.weights = zeros(rows * columns);\n  }\n  ' + (this.dataFormatter !== null && typeof this.formatDataIn === 'function' ? 'function formatDataIn(input, output) { ' + toInner(this.formatDataIn.toString()).replace(/this[.]dataFormatter[\n\s]+[.]/g, '').replace(/this[.]dataFormatter[.]/g, '').replace(/this[.]dataFormatter/g, 'true') + ' }' : '') + '\n  ' + (this.dataFormatter !== null && typeof this.formatDataOut === 'function' ? 'function formatDataOut(input, output) { ' + toInner(this.formatDataOut.toString()).replace(/this[.]dataFormatter[\n\s]+[.]/g, '').replace(/this[.]dataFormatter[.]/g, '').replace(/this[.]dataFormatter/g, 'true') + ' }' : '') + '\n  ' + _zeros2.default.toString() + '\n  ' + _softmax2.default.toString().replace('_2.default', 'Matrix') + '\n  ' + _random.randomF.toString() + '\n  ' + _sampleI2.default.toString() + '\n  ' + _maxI2.default.toString();
       return new Function('rawInput', 'maxPredictionLength', 'isSampleI', 'temperature', src);
     }
   }]);
@@ -4179,7 +4179,7 @@ var DataFormatter = function () {
   }, {
     key: 'toFunctionString',
     value: function toFunctionString() {
-      return '\nvar characterTable = ' + JSON.stringify(this.characterTable) + ';\nvar indexTable = ' + JSON.stringify(this.indexTable) + ';\nvar characters = ' + JSON.stringify(this.characters) + ';\n' + this.toIndexes.toString().replace(/(let|var) indexTable = this[.]indexTable;\n/, '').replace(/this[.]/g, '') + '\n' + this.toIndexesInputOutput.toString().replace(/this[.]/g, '') + '\n' + this.toCharacters.toString().replace(/this[.]/, '') + '\n';
+      return '\nvar characterTable = ' + JSON.stringify(this.characterTable) + ';\nvar indexTable = ' + JSON.stringify(this.indexTable) + ';\nvar characters = ' + JSON.stringify(this.characters) + ';\n' + this.toIndexes.toString().replace(/(let|var) indexTable = this[.]indexTable;\n/, '').replace(/this[.]/g, '') + '\n' + this.toIndexesInputOutput.toString().replace(/this[.]/g, '') + '\n' + this.toCharacters.toString().replace(/(let|var) characterTable = this[.]characterTable;\n/g, '').replace(/this[.]/, '') + '\n';
     }
   }], [{
     key: 'fromAllPrintable',