/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
**/
/*
*
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package lucee.runtime.img.math;
public class MathFunction1D implements Function1D {
public final static int SIN = 1;
public final static int COS = 2;
public final static int TAN = 3;
public final static int SQRT = 4;
public final static int ASIN = -1;
public final static int ACOS = -2;
public final static int ATAN = -3;
public final static int SQR = -4;
private int operation;
public MathFunction1D(int operation) {
this.operation = operation;
}
@Override
public float evaluate(float v) {
switch (operation) {
case SIN:
return (float)Math.sin(v);
case COS:
return (float)Math.cos(v);
case TAN:
return (float)Math.tan(v);
case SQRT:
return (float)Math.sqrt(v);
case ASIN:
return (float)Math.asin(v);
case ACOS:
return (float)Math.acos(v);
case ATAN:
return (float)Math.atan(v);
case SQR:
return v*v;
}
return v;
}
}