xpcom/base/nsAlgorithm.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsAlgorithm_h___
   8 #define nsAlgorithm_h___
   9
  10 #include <cstdint>
  11 #include "mozilla/Assertions.h"
  12
  13 // We use these instead of std::min/max because we can't include the algorithm
  14 // header in all of XPCOM because the stl wrappers will error out when included
  15 // in parts of XPCOM. These functions should never be used outside of XPCOM.
  16 template <class T>
  17 inline const T& XPCOM_MIN(const T& aA, const T& aB) {
  18   return aB < aA ? aB : aA;
  19 }
  20
  21 // Must return b when a == b in case a is -0
  22 template <class T>
  23 inline const T& XPCOM_MAX(const T& aA, const T& aB) {
  24   return aA > aB ? aA : aB;
  25 }
  26
  27 #endif  // !defined(nsAlgorithm_h___)