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Groovy: A powerful, dynamic language for the JVM
/*
* 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;
/**
* Integer NumberMath operations
*
* @author Steve Goetze
*/
public class IntegerMath extends NumberMath {
public static final IntegerMath INSTANCE = new IntegerMath();
private IntegerMath() {}
protected Number absImpl(Number number) {
return Integer.valueOf(Math.abs(number.intValue()));
}
public Number addImpl(Number left, Number right) {
return Integer.valueOf(left.intValue() + right.intValue());
}
public Number subtractImpl(Number left, Number right) {
return Integer.valueOf(left.intValue() - right.intValue());
}
public Number multiplyImpl(Number left, Number right) {
return Integer.valueOf(left.intValue() * right.intValue());
}
public Number divideImpl(Number left, Number right) {
return BigDecimalMath.INSTANCE.divideImpl(left, right);
}
public int compareToImpl(Number left, Number right) {
int leftVal = left.intValue();
int rightVal = right.intValue();
return (leftVal> right.intValue());
}
protected Number rightShiftUnsignedImpl(Number left, Number right) {
return Integer.valueOf(left.intValue() >>> right.intValue());
}
}