1 /* 2 * Copyright (C) 2021 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "berberis/base/bit_util.h" 18 19 namespace berberis { 20 21 namespace { 22 23 static_assert(IsPowerOf2(sizeof(void*))); 24 static_assert(!IsPowerOf2(sizeof(void*) + 1)); 25 26 static_assert(BitUtilLog2(1) == 0); 27 static_assert(BitUtilLog2(16) == 4); 28 static_assert(BitUtilLog2(sizeof(void*)) > 0); 29 30 } // namespace 31 32 } // namespace berberis 33