/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite 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
* Lesser Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
package org.evosuite.symbolic.vm.math;
import org.evosuite.symbolic.expr.Operator;
import org.evosuite.symbolic.expr.fp.RealUnaryExpression;
import org.evosuite.symbolic.expr.fp.RealValue;
import org.evosuite.symbolic.vm.SymbolicFunction;
import org.evosuite.symbolic.vm.SymbolicEnvironment;
public final class TANH extends SymbolicFunction {
private static final String TANH = "tanh";
public TANH(SymbolicEnvironment env) {
super(env, Types.JAVA_LANG_MATH, TANH, Types.D2D_DESCRIPTOR);
}
@Override
public Object executeFunction() {
double res = this.getConcDoubleRetVal();
RealValue realExpression = this.getSymbRealArgument(0);
RealValue tanhExpr;
if (realExpression.containsSymbolicVariable()) {
Operator op = Operator.TANH;
tanhExpr = new RealUnaryExpression(realExpression, op, res);
} else {
tanhExpr = this.getSymbRealRetVal();
}
return tanhExpr;
}
}