digitMatrices.forEach((matrix: IDigitMatrix) => {
let outputs = this.neuralNetwork.runWith(matrix.matrix);
let maximumValue = -Infinity;
let minimumValue = +Infinity;
let maximumNeuron = NaN;
for (let i = 0; i < outputs.length; i++) {
if (outputs[i] > maximumValue) {
maximumValue = outputs[i];
maximumNeuron = i;
}
if (outputs[i] < minimumValue) {
minimumValue = outputs[i];
}
}
let correct: boolean = maximumNeuron === matrix.digit;
if (correct) {
correctGuesses++;
}
if (print) {
let colors = require('colors/safe');
console.log();
let expected = 'Expected > ' + colors.green(matrix.digit);
let actual = 'Actual > ' + (correct ? colors.green(maximumNeuron) : colors.red(maximumNeuron));
Util.logTest('Output: ' + expected + ' ' + actual);
Util.logTest();
let result = 'CORRECT GUESS';
if (correct) {
result = colors.green(result);
} else {
result = colors.red('IN' + result);
}
Util.logTest(result);
Util.logTest();
Util.logTest('Neuron outputs:');
Util.logTest();
let valueRange = Math.abs(maximumValue - minimumValue);
for (let i = 0; i < outputs.length; i++) {
let neuronIndex = colors.cyan(i);
let prefix = ' ';
let suffix = ' ';
if (i === maximumNeuron) {
prefix = ' > ';
suffix = ' < ';
}
let neuronOutput = outputs[i];
let normalisedOutput = Math.floor((neuronOutput - minimumValue) / valueRange * 9);
let line = '';
for (let k = 0; k < 10; k++) {
if (k === normalisedOutput) {
line += colors.bgYellow(colors.black('◆'));
} else {
line += colors.bgYellow(' ');
}
}
Util.logTest(prefix + neuronIndex + ' ' + line + ' ' + neuronIndex + suffix);
}
Util.logTest();
Util.logTest('Image of the digit:');
Util.logTest();
let printFunction = correct ? colors.green : colors.red;
DataParser.printImage(matrix.matrix, (line: string) => Util.logTest(printFunction(line)));
console.log();
}
});
server.set('view engine', 'ejs');
server.use(bodyParser.json());
server.use(bodyParser.urlencoded({ extended: false }));
server.use(cookieParser());
loader.Loader.init(server, __dirname);
export var onReadyCallback;
if (clusterEnabled && cluster.isMaster) {
if (clusterEnabled!='auto' && clusterEnabled!==false && clusterEnabled!==true) {
cpus = Number(clusterEnabled);
}
var s = "Starting in cluster mode ("+cpus+" processes)";
console.log(colors.black(colors.bgWhite(s)));
for (var i = 0; i < cpus; i++) {
cluster.fork();
}
}
else {
server.listen(portNumber, () => {
var endTime = Date.now();
var elapsedTime = (endTime - startTime)/1000;
var t = numeral(elapsedTime).format('0.00');
console.log('\n');
console.log(colors.bgGreen(colors.white(' ')));
console.log(colors.bgGreen(colors.white(' Startup completead in ' + t + ' seconds. ')));
console.log(colors.bgGreen(colors.white(' ')));
console.log('\n');
console.log("Your application is in "+colors.green(server.get('env'))+" mode on port "+colors.green(portNumber));