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0264ff685a
MathUtils.cpp
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/*
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* Copyright (c) 2020 OmniSci, Inc.
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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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*/
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namespace
shared
{
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bool
isPowOfTwo
(
unsigned
n) {
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return
(n & (n - 1)) == 0;
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}
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unsigned
getExpOfTwo
(
unsigned
n) {
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unsigned
i = 0;
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while
((n = n >> 1)) {
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++i;
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}
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return
i;
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}
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}
// namespace shared
shared::isPowOfTwo
bool isPowOfTwo(unsigned n)
Definition:
MathUtils.cpp:19
shared::getExpOfTwo
unsigned getExpOfTwo(unsigned n)
Definition:
MathUtils.cpp:23
shared
Definition:
base64.cpp:19
Shared
MathUtils.cpp
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