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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.search.grouping.request;
/**
* @author baldersheim
*/
public abstract class MathFunctions {
/**
* Defines the different types of math functions that are available.
*/
public enum Function {
EXP, // 0
POW, // 1
LOG, // 2
LOG1P, // 3
LOG10, // 4
SIN, // 5
ASIN, // 6
COS, // 7
ACOS, // 8
TAN, // 9
ATAN, // 10
SQRT, // 11
SINH, // 12
ASINH, // 13
COSH, // 14
ACOSH, // 15
TANH, // 16
ATANH, // 17
CBRT, // 18
HYPOT, // 19
FLOOR; // 20
static Function create(int tid) {
for(Function p : values()) {
if (tid == p.ordinal()) {
return p;
}
}
return null;
}
}
public static FunctionNode newInstance(Function type, GroupingExpression x, GroupingExpression y) {
switch (type) {
case EXP: return new MathExpFunction(x);
case POW: return new MathPowFunction(x, y);
case LOG: return new MathLogFunction(x);
case LOG1P: return new MathLog1pFunction(x);
case LOG10: return new MathLog10Function(x);
case SIN: return new MathSinFunction(x);
case ASIN: return new MathASinFunction(x);
case COS: return new MathCosFunction(x);
case ACOS: return new MathACosFunction(x);
case TAN: return new MathTanFunction(x);
case ATAN: return new MathATanFunction(x);
case SQRT: return new MathSqrtFunction(x);
case SINH: return new MathSinHFunction(x);
case ASINH: return new MathASinHFunction(x);
case COSH: return new MathCosHFunction(x);
case ACOSH: return new MathACosHFunction(x);
case TANH: return new MathTanHFunction(x);
case ATANH: return new MathATanHFunction(x);
case CBRT: return new MathCbrtFunction(x);
case HYPOT: return new MathHypotFunction(x, y);
case FLOOR: return new MathFloorFunction(x);
}
return null;
}
}
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