| /* |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.poi.sl.draw.geom; |
| |
| import java.util.regex.Matcher; |
| |
| /** |
| * Sine Formula: |
| * <gd name="z" fmla="sin x y"/> |
| * |
| * <p> |
| * Arguments: 2 (fmla="sin x y") |
| * Usage: "sin x y" = (x * sin( y )) = value of this guide |
| * </p> |
| * |
| * @author Yegor Kozlov |
| */ |
| public class SinExpression implements Expression { |
| private String arg1, arg2; |
| |
| SinExpression(Matcher m){ |
| arg1 = m.group(1); |
| arg2 = m.group(2); |
| } |
| |
| public double evaluate(Context ctx){ |
| double x = ctx.getValue(arg1); |
| double y = ctx.getValue(arg2) / 60000; |
| return x * Math.sin(Math.toRadians(y)); |
| } |
| |
| } |