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// Copyright 2014 com 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 com
// PowInt is int type of math.Pow function.
func PowInt(x int, y int) int {
if y <= 0 {
return 1
} else {
if y % 2 == 0 {
sqrt := PowInt(x, y/2)
return sqrt * sqrt
} else {
return PowInt(x, y-1) * x
}
}
}
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