1    :  // Copyright 2014 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  //
  15    :  // Internal implementations for align.h. Not meant to be included directly.
  16    :  
  17    :  #ifndef SYZYGY_COMMON_ALIGN_IMPL_H_
  18    :  #define SYZYGY_COMMON_ALIGN_IMPL_H_
  19    :  
  20    :  namespace common {
  21    :  
  22  E :  template<typename T> bool IsPowerOfTwo(const T* pointer) {
  23  E :    return IsPowerOfTwo(reinterpret_cast<uintptr_t>(pointer));
  24  E :  }
  25    :  
  26  E :  template<typename T> T* AlignUp(T* pointer, size_t alignment) {
  27    :    return reinterpret_cast<T*>(AlignUp(
  28  E :        reinterpret_cast<uintptr_t>(pointer), alignment));
  29  E :  }
  30    :  
  31  E :  template<typename T> const T* AlignUp(const T* pointer, size_t alignment) {
  32    :    return reinterpret_cast<const T*>(AlignUp(
  33  E :        reinterpret_cast<uintptr_t>(pointer), alignment));
  34  E :  }
  35    :  
  36  E :  template<typename T> T* AlignDown(T* pointer, size_t alignment) {
  37    :    return reinterpret_cast<T*>(AlignDown(
  38  E :        reinterpret_cast<uintptr_t>(pointer), alignment));
  39  E :  }
  40    :  
  41  E :  template<typename T> const T* AlignDown(const T* pointer, size_t alignment) {
  42    :    return reinterpret_cast<const T*>(AlignDown(
  43  E :        reinterpret_cast<uintptr_t>(pointer), alignment));
  44  E :  }
  45    :  
  46  E :  template<typename T> bool IsAligned(const T* pointer, size_t alignment) {
  47  E :    return IsAligned(reinterpret_cast<uintptr_t>(pointer), alignment);
  48  E :  }
  49    :  
  50    :  template<typename T> size_t GetAlignment(const T* pointer) {
  51    :    return GetAlignment(reinterpret_cast<uintptr_t>(pointer));
  52    :  }
  53    :  
  54    :  }  // namespace common
  55    :  
  56    :  #endif  // SYZYGY_COMMON_ALIGN_IMPL_H_