| /* |
| * 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 new Integer(Math.abs(number.intValue())); |
| } |
| |
| protected Number addImpl(Number left, Number right) { |
| return new Integer(left.intValue() + right.intValue()); |
| } |
| |
| protected Number subtractImpl(Number left, Number right) { |
| return new Integer(left.intValue() - right.intValue()); |
| } |
| |
| protected Number multiplyImpl(Number left, Number right) { |
| return new Integer(left.intValue() * right.intValue()); |
| } |
| |
| protected Number divideImpl(Number left, Number right) { |
| return BigDecimalMath.INSTANCE.divideImpl(left, right); |
| } |
| |
| protected int compareToImpl(Number left, Number right) { |
| int leftVal = left.intValue(); |
| int rightVal = right.intValue(); |
| return (leftVal<rightVal ? -1 : (leftVal==rightVal ? 0 : 1)); |
| } |
| |
| protected Number orImpl(Number left, Number right) { |
| return new Integer(left.intValue() | right.intValue()); |
| } |
| |
| protected Number andImpl(Number left, Number right) { |
| return new Integer(left.intValue() & right.intValue()); |
| } |
| |
| protected Number xorImpl(Number left, Number right) { |
| return new Integer(left.intValue() ^ right.intValue()); |
| } |
| |
| protected Number intdivImpl(Number left, Number right) { |
| return new Integer(left.intValue() / right.intValue()); |
| } |
| |
| protected Number modImpl(Number left, Number right) { |
| return new Integer(left.intValue() % right.intValue()); |
| } |
| |
| protected Number negateImpl(Number left) { |
| return new Integer(-left.intValue()); |
| } |
| |
| protected Number bitNegateImpl(Number left) { |
| return new Integer(~left.intValue()); |
| } |
| |
| protected Number leftShiftImpl(Number left, Number right) { |
| return new Integer(left.intValue() << right.intValue()); |
| } |
| |
| protected Number rightShiftImpl(Number left, Number right) { |
| return new Integer(left.intValue() >> right.intValue()); |
| } |
| |
| protected Number rightShiftUnsignedImpl(Number left, Number right) { |
| return new Integer(left.intValue() >>> right.intValue()); |
| } |
| } |