include/tools/simd.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  */
  10
  11 #ifndef INCLUDED_TOOLS_SIMD_HXX
  12 #define INCLUDED_TOOLS_SIMD_HXX
  13
  14 namespace simd
  15 {
  16 template <typename T, unsigned int N> inline bool isAligned(const T* pointer)
  17 {
  18     return 0 == (uintptr_t(pointer) % N);
  19 }
  20
  21 template <typename T> inline T roundDown(T value, unsigned int multiple)
  22 {
  23     return value & ~(multiple - 1);
  24 }
  25
  26 } // end namespace simd
  27
  28 #endif // INCLUDED_TOOLS_SIMD_HXX
  29
  30 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */