diff options
Diffstat (limited to 'vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java')
| -rw-r--r-- | vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java b/vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java index 517f6683cbf..2639e153923 100644 --- a/vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java +++ b/vespajlib/src/main/java/com/yahoo/tensor/functions/ScalarFunctions.java @@ -5,6 +5,7 @@ import com.google.common.collect.ImmutableList; import java.util.Comparator; import java.util.List; +import java.util.Objects; import java.util.PriorityQueue; import java.util.concurrent.ThreadLocalRandom; import java.util.function.DoubleBinaryOperator; @@ -75,6 +76,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return left + right; } @Override public String toString() { return "f(a,b)(a + b)"; } + @Override + public int hashCode() { return "add".hashCode(); } } public static class Equal implements DoubleBinaryOperator { @@ -82,6 +85,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return left == right ? 1 : 0; } @Override public String toString() { return "f(a,b)(a==b)"; } + @Override + public int hashCode() { return "equal".hashCode(); } } public static class Greater implements DoubleBinaryOperator { @@ -89,6 +94,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return left > right ? 1 : 0; } @Override public String toString() { return "f(a,b)(a > b)"; } + @Override + public int hashCode() { return "greater".hashCode(); } } public static class Less implements DoubleBinaryOperator { @@ -96,6 +103,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return left < right ? 1 : 0; } @Override public String toString() { return "f(a,b)(a < b)"; } + @Override + public int hashCode() { return "less".hashCode(); } } public static class Max implements DoubleBinaryOperator { @@ -103,6 +112,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return Math.max(left, right); } @Override public String toString() { return "f(a,b)(max(a, b))"; } + @Override + public int hashCode() { return "max".hashCode(); } } public static class Min implements DoubleBinaryOperator { @@ -110,6 +121,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return Math.min(left, right); } @Override public String toString() { return "f(a,b)(min(a, b))"; } + @Override + public int hashCode() { return "min".hashCode(); } } public static class Mean implements DoubleBinaryOperator { @@ -117,6 +130,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return (left + right) / 2; } @Override public String toString() { return "f(a,b)((a + b) / 2)"; } + @Override + public int hashCode() { return "mean".hashCode(); } } public static class Multiply implements DoubleBinaryOperator { @@ -124,6 +139,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return left * right; } @Override public String toString() { return "f(a,b)(a * b)"; } + @Override + public int hashCode() { return "multiply".hashCode(); } } public static class Pow implements DoubleBinaryOperator { @@ -131,6 +148,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return Math.pow(left, right); } @Override public String toString() { return "f(a,b)(pow(a, b))"; } + @Override + public int hashCode() { return "pow".hashCode(); } } public static class Divide implements DoubleBinaryOperator { @@ -138,6 +157,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return left / right; } @Override public String toString() { return "f(a,b)(a / b)"; } + @Override + public int hashCode() { return "divide".hashCode(); } } public static class SquaredDifference implements DoubleBinaryOperator { @@ -145,6 +166,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return (left - right) * (left - right); } @Override public String toString() { return "f(a,b)((a-b) * (a-b))"; } + @Override + public int hashCode() { return "squareddifference".hashCode(); } } public static class Subtract implements DoubleBinaryOperator { @@ -152,6 +175,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return left - right; } @Override public String toString() { return "f(a,b)(a - b)"; } + @Override + public int hashCode() { return "subtract".hashCode(); } } @@ -172,6 +197,8 @@ public class ScalarFunctions { public double applyAsDouble(double left, double right) { return hamming(left, right); } @Override public String toString() { return "f(a,b)(hamming(a,b))"; } + @Override + public int hashCode() { return "hamming".hashCode(); } } @@ -182,6 +209,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.abs(operand); } @Override public String toString() { return "f(a)(fabs(a))"; } + @Override + public int hashCode() { return "abs".hashCode(); } } public static class Acos implements DoubleUnaryOperator { @@ -189,6 +218,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.acos(operand); } @Override public String toString() { return "f(a)(acos(a))"; } + @Override + public int hashCode() { return "acos".hashCode(); } } public static class Asin implements DoubleUnaryOperator { @@ -196,6 +227,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.asin(operand); } @Override public String toString() { return "f(a)(asin(a))"; } + @Override + public int hashCode() { return "asin".hashCode(); } } public static class Atan implements DoubleUnaryOperator { @@ -203,6 +236,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.atan(operand); } @Override public String toString() { return "f(a)(atan(a))"; } + @Override + public int hashCode() { return "atan".hashCode(); } } public static class Ceil implements DoubleUnaryOperator { @@ -210,6 +245,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.ceil(operand); } @Override public String toString() { return "f(a)(ceil(a))"; } + @Override + public int hashCode() { return "ceil".hashCode(); } } public static class Cos implements DoubleUnaryOperator { @@ -217,6 +254,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.cos(operand); } @Override public String toString() { return "f(a)(cos(a))"; } + @Override + public int hashCode() { return "cos".hashCode(); } } public static class Elu implements DoubleUnaryOperator { @@ -231,6 +270,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return operand < 0 ? alpha * (Math.exp(operand) - 1) : operand; } @Override public String toString() { return "f(a)(if(a < 0, " + alpha + " * (exp(a)-1), a))"; } + @Override + public int hashCode() { return Objects.hash("elu", alpha); } } public static class Exp implements DoubleUnaryOperator { @@ -238,6 +279,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.exp(operand); } @Override public String toString() { return "f(a)(exp(a))"; } + @Override + public int hashCode() { return "exp".hashCode(); } } public static class Floor implements DoubleUnaryOperator { @@ -245,6 +288,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.floor(operand); } @Override public String toString() { return "f(a)(floor(a))"; } + @Override + public int hashCode() { return "floor".hashCode(); } } public static class Log implements DoubleUnaryOperator { @@ -252,6 +297,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.log(operand); } @Override public String toString() { return "f(a)(log(a))"; } + @Override + public int hashCode() { return "log".hashCode(); } } public static class Neg implements DoubleUnaryOperator { @@ -259,6 +306,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return -operand; } @Override public String toString() { return "f(a)(-a)"; } + @Override + public int hashCode() { return "neg".hashCode(); } } public static class Reciprocal implements DoubleUnaryOperator { @@ -266,6 +315,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return 1.0 / operand; } @Override public String toString() { return "f(a)(1 / a)"; } + @Override + public int hashCode() { return "reciprocal".hashCode(); } } public static class Relu implements DoubleUnaryOperator { @@ -273,6 +324,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.max(operand, 0); } @Override public String toString() { return "f(a)(max(0, a))"; } + @Override + public int hashCode() { return "relu".hashCode(); } } public static class Selu implements DoubleUnaryOperator { @@ -290,6 +343,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return scale * (operand >= 0.0 ? operand : alpha * (Math.exp(operand)-1)); } @Override public String toString() { return "f(a)(" + scale + " * if(a >= 0, a, " + alpha + " * (exp(a) - 1)))"; } + @Override + public int hashCode() { return Objects.hash("selu", scale, alpha); } } public static class LeakyRelu implements DoubleUnaryOperator { @@ -304,6 +359,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.max(alpha * operand, operand); } @Override public String toString() { return "f(a)(max(" + alpha + " * a, a))"; } + @Override + public int hashCode() { return Objects.hash("leakyrelu", alpha); } } public static class Sin implements DoubleUnaryOperator { @@ -311,6 +368,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.sin(operand); } @Override public String toString() { return "f(a)(sin(a))"; } + @Override + public int hashCode() { return "sin".hashCode(); } } public static class Rsqrt implements DoubleUnaryOperator { @@ -318,6 +377,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return 1.0 / Math.sqrt(operand); } @Override public String toString() { return "f(a)(1.0 / sqrt(a))"; } + @Override + public int hashCode() { return "rsqrt".hashCode(); } } public static class Sigmoid implements DoubleUnaryOperator { @@ -325,6 +386,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return 1.0 / (1.0 + Math.exp(-operand)); } @Override public String toString() { return "f(a)(1 / (1 + exp(-a)))"; } + @Override + public int hashCode() { return "sigmoid".hashCode(); } } public static class Sqrt implements DoubleUnaryOperator { @@ -332,6 +395,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.sqrt(operand); } @Override public String toString() { return "f(a)(sqrt(a))"; } + @Override + public int hashCode() { return "sqrt".hashCode(); } } public static class Square implements DoubleUnaryOperator { @@ -339,6 +404,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return operand * operand; } @Override public String toString() { return "f(a)(a * a)"; } + @Override + public int hashCode() { return "square".hashCode(); } } public static class Tan implements DoubleUnaryOperator { @@ -346,6 +413,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.tan(operand); } @Override public String toString() { return "f(a)(tan(a))"; } + @Override + public int hashCode() { return "tan".hashCode(); } } public static class Tanh implements DoubleUnaryOperator { @@ -353,6 +422,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return Math.tanh(operand); } @Override public String toString() { return "f(a)(tanh(a))"; } + @Override + public int hashCode() { return "tanh".hashCode(); } } public static class Erf implements DoubleUnaryOperator { @@ -410,6 +481,8 @@ public class ScalarFunctions { public double applyAsDouble(double operand) { return erf(operand); } @Override public String toString() { return "f(a)(erf(a))"; } + @Override + public int hashCode() { return "erf".hashCode(); } static final double nearZeroMultiplier = 2.0 / Math.sqrt(Math.PI); @@ -464,6 +537,8 @@ public class ScalarFunctions { } return b.toString(); } + @Override + public int hashCode() { return Objects.hash("equal", argumentNames); } } public static class Random implements Function<List<Long>, Double> { @@ -473,6 +548,8 @@ public class ScalarFunctions { } @Override public String toString() { return "random"; } + @Override + public int hashCode() { return "random".hashCode(); } } public static class SumElements implements Function<List<Long>, Double> { @@ -492,6 +569,8 @@ public class ScalarFunctions { public String toString() { return argumentNames.stream().collect(Collectors.joining("+")); } + @Override + public int hashCode() { return Objects.hash("sum", argumentNames); } } public static class Constant implements Function<List<Long>, Double> { @@ -506,6 +585,8 @@ public class ScalarFunctions { } @Override public String toString() { return Double.toString(value); } + @Override + public int hashCode() { return Objects.hash("constant", value); } } |