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Groovy example source code file (FloatingPointMath.java)

This example Groovy source code file (FloatingPointMath.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

floatingpointmath, floatingpointmath, instance, instance, number, number, numbermath, numbermath

The Groovy FloatingPointMath.java source code

/*
 * Copyright 2003-2007 the original author or authors.
 *
 * 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 org.codehaus.groovy.runtime.typehandling;

/**
 * FloatingPoint (Double and Float) NumberMath operations
 * 
 * @author Steve Goetze
 */
public final class FloatingPointMath extends NumberMath {

    public static final FloatingPointMath INSTANCE = new FloatingPointMath();
    
    private FloatingPointMath() {}
                
    protected Number absImpl(Number number) {
        return new Double(Math.abs(number.doubleValue()));
    }
    
    public Number addImpl(Number left, Number right) {
        return new Double(left.doubleValue() + right.doubleValue());
    }

    public Number subtractImpl(Number left, Number right) {
        return new Double(left.doubleValue() - right.doubleValue());
    }

    public Number multiplyImpl(Number left, Number right) {
        return new Double(left.doubleValue() * right.doubleValue());
    }

    public Number divideImpl(Number left, Number right) {
        return new Double(left.doubleValue() / right.doubleValue());
    }

    public int compareToImpl(Number left, Number right) {
        return Double.compare(left.doubleValue(), right.doubleValue());
    }
    
    protected Number modImpl(Number left, Number right) {
        return new Double(left.doubleValue() % right.doubleValue());
    }
    
    protected Number unaryMinusImpl(Number left) {
        return new Double(-left.doubleValue());
    }
}

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