mirror of
https://github.com/yunionio/cloudpods.git
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37 lines
924 B
Go
37 lines
924 B
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package bitmap
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func Uint2IntArray(n uint32) []int {
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ret := make([]int, 0, 2)
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var i uint = 0
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for n != 0 {
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if n&(1<<i) != 0 {
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n &= uint32(^(1 << i))
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ret = append(ret, int(i))
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}
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i++
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}
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return ret
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}
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func IntArray2Uint(nums []int) uint32 {
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var ret uint32 = 0
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for _, i := range nums {
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ret |= (1 << uint(i))
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}
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return ret
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}
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