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JPMML class model evaluator
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/*
* Copyright (c) 2017 Villu Ruusmann
*
* This file is part of JPMML-Evaluator
*
* JPMML-Evaluator is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JPMML-Evaluator is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with JPMML-Evaluator. If not, see {
protected double value = 0d;
@Operation (
value = "${0}"
)
public DoubleValue(double value){
this.value = value;
}
@Operation (
value = "${0}"
)
public DoubleValue(Number value){
this.value = value.doubleValue();
}
@Override
public int compareTo(Value that){
return Double.compare(this.doubleValue(), that.doubleValue());
}
@Override
public String toString(){
return Double.toString(this.value);
}
@Override
public int hashCode(){
long bits = Double.doubleToLongBits(this.value);
return (int)(bits ^ (bits >>> 32));
}
@Override
public boolean equals(Object object){
if(object instanceof DoubleValue){
DoubleValue that = (DoubleValue)object;
return (Double.doubleToLongBits(this.value) == Double.doubleToLongBits(that.value));
}
return false;
}
@Override
public DoubleValue copy(){
return new DoubleValue(this.value);
}
@Override
public DoubleValue reset(Number value){
this.value = value.doubleValue();
return this;
}
@Override
public DoubleValue add(Number value){
this.value += value.doubleValue();
return this;
}
@Override
public DoubleValue add(Value value){
this.value += value.doubleValue();
return this;
}
@Override
public DoubleValue add(Number coefficient, Number factor){
this.value += coefficient.doubleValue() * factor.doubleValue();
return this;
}
@Override
public DoubleValue add(Number coefficient, Number firstFactor, Number secondFactor){
this.value += coefficient.doubleValue() * firstFactor.doubleValue() * secondFactor.doubleValue();
return this;
}
@Override
public DoubleValue add(Number coefficient, Number... factors){
double value = coefficient.doubleValue();
for(int i = 0, max = factors.length; i < max; i++){
Number factor = factors[i];
value *= factor.doubleValue();
}
this.value += value;
return this;
}
@Override
public DoubleValue add(Number coefficient, Number factor, int exponent){
this.value += coefficient.doubleValue() * Math.pow(factor.doubleValue(), exponent);
return this;
}
@Override
public DoubleValue subtract(Number value){
this.value -= value.doubleValue();
return this;
}
@Override
public DoubleValue subtract(Value value){
this.value -= value.doubleValue();
return this;
}
@Override
public DoubleValue multiply(Number value){
this.value *= value.doubleValue();
return this;
}
@Override
public DoubleValue multiply(Value value){
this.value *= value.doubleValue();
return this;
}
@Override
public DoubleValue multiply(Number factor, Number exponent){
this.value *= Math.pow(factor.doubleValue(), exponent.doubleValue());
return this;
}
@Override
public DoubleValue divide(Number value){
this.value /= value.doubleValue();
return this;
}
@Override
public DoubleValue divide(Value value){
this.value /= value.doubleValue();
return this;
}
@Override
public DoubleValue residual(Value value){
this.value = 1d - value.doubleValue();
return this;
}
@Override
public DoubleValue square(){
this.value *= this.value;
return this;
}
@Override
public DoubleValue power(Number value){
this.value = Math.pow(this.value, value.doubleValue());
return this;
}
@Override
public DoubleValue reciprocal(){
this.value = 1d / this.value;
return this;
}
@Override
public DoubleValue elliott(){
this.value /= (1d + Math.abs(this.value));
return this;
}
@Override
public DoubleValue exp(){
this.value = Math.exp(this.value);
return this;
}
@Override
public DoubleValue ln(){
this.value = Math.log(this.value);
return this;
}
@Override
public DoubleValue gauss(){
this.value = Math.exp(-(this.value * this.value));
return this;
}
@Override
public DoubleValue inverseLogit(){
this.value = 1d / (1d + Math.exp(-this.value));
return this;
}
@Override
public DoubleValue inverseCloglog(){
this.value = 1d - Math.exp(-Math.exp(this.value));
return this;
}
@Override
public DoubleValue inverseLoglog(){
this.value = Math.exp(-Math.exp(-this.value));
return this;
}
@Override
public DoubleValue inverseLogc(){
this.value = 1d - Math.exp(this.value);
return this;
}
@Override
public DoubleValue inverseNegbin(Number value){
this.value = 1d / (value.doubleValue() * (Math.exp(-this.value) - 1d));
return this;
}
@Override
public DoubleValue inverseOddspower(Number value){
return inverseOddspowerInternal(value.doubleValue());
}
private DoubleValue inverseOddspowerInternal(double value){
if(value < 0d || value > 0d){
this.value = 1d / (1d + Math.pow(1d + (value * this.value), -(1d / value)));
} else
{
this.value = 1d / (1d + Math.exp(-this.value));
}
return this;
}
@Override
public DoubleValue inversePower(Number value){
return inversePowerInternal(value.doubleValue());
}
private DoubleValue inversePowerInternal(double value){
if(value < 0d || value > 0d){
this.value = Math.pow(this.value, 1d / value);
} else
{
this.value = Math.exp(this.value);
}
return this;
}
@Override
public DoubleValue inverseCauchit(){
this.value = 0.5d + (1d / DoubleValue.PI) * Math.atan(this.value);
return this;
}
@Override
public DoubleValue inverseProbit(){
this.value = NormalDistributionUtil.cumulativeProbability(this.value);
return this;
}
@Override
public DoubleValue sin(){
this.value = Math.sin(this.value);
return this;
}
@Override
public DoubleValue cos(){
this.value = Math.cos(this.value);
return this;
}
@Override
public DoubleValue arctan(){
this.value = (2d * Math.atan(this.value)) / DoubleValue.PI;
return this;
}
@Override
public DoubleValue tanh(){
this.value = Math.tanh(this.value);
return this;
}
@Override
public DoubleValue threshold(Number value){
this.value = (this.value > value.doubleValue() ? 1d : 0d);
return this;
}
@Override
public DoubleValue relu(){
this.value = Math.max(this.value, 0);
return this;
}
@Override
public DoubleValue abs(){
this.value = Math.abs(this.value);
return this;
}
@Override
public DoubleValue gaussSim(Number value){
this.value = Math.exp((-Math.log(2d) * this.value * this.value) / (value.doubleValue() * value.doubleValue()));
return this;
}
@Override
public DoubleValue restrict(Number lowValue, Number highValue){
this.value = Math.max(this.value, lowValue.doubleValue());
this.value = Math.min(this.value, highValue.doubleValue());
return this;
}
@Override
public DoubleValue round(){
this.value = Math.round(this.value);
return this;
}
@Override
public DoubleValue ceiling(){
this.value = Math.ceil(this.value);
return this;
}
@Override
public DoubleValue floor(){
this.value = Math.floor(this.value);
return this;
}
@Override
public DoubleValue normalize(Number leftOrig, Number leftNorm, Number rightOrig, Number rightNorm){
return normalizeInternal(leftOrig.doubleValue(), leftNorm.doubleValue(), rightOrig.doubleValue(), rightNorm.doubleValue());
}
private DoubleValue normalizeInternal(double leftOrig, double leftNorm, double rightOrig, double rightNorm){
this.value = leftNorm + ((this.value - leftOrig) / (rightOrig - leftOrig)) * (rightNorm - leftNorm);
return this;
}
@Override
public DoubleValue denormalize(Number leftOrig, Number leftNorm, Number rightOrig, Number rightNorm){
return denormalizeInternal(leftOrig.doubleValue(), leftNorm.doubleValue(), rightOrig.doubleValue(), rightNorm.doubleValue());
}
private DoubleValue denormalizeInternal(double leftOrig, double leftNorm, double rightOrig, double rightNorm){
this.value = ((this.value - leftNorm) / (rightNorm - leftNorm)) * (rightOrig - leftOrig) + leftOrig;
return this;
}
@Override
public boolean isZero(){
return this.value == 0d;
}
@Override
public boolean isOne(){
return this.value == 1d;
}
@Override
public boolean equals(Number value){
return this.value == value.doubleValue();
}
@Override
public int compareTo(Number value){
return Double.compare(this.value, value.doubleValue());
}
@Override
public float floatValue(){
return (float)this.value;
}
@Override
public double doubleValue(){
return this.value;
}
@Override
public Double getValue(){
return this.value;
}
public static final double E = Math.E;
public static final double PI = Math.PI;
}