From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- xpcom/base/nsAlgorithm.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 xpcom/base/nsAlgorithm.h (limited to 'xpcom/base/nsAlgorithm.h') diff --git a/xpcom/base/nsAlgorithm.h b/xpcom/base/nsAlgorithm.h new file mode 100644 index 0000000000..1c4bb0e9dc --- /dev/null +++ b/xpcom/base/nsAlgorithm.h @@ -0,0 +1,54 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsAlgorithm_h___ +#define nsAlgorithm_h___ + +#include +#include "mozilla/Assertions.h" + +template +inline T NS_ROUNDUP(const T& aA, const T& aB) { + return ((aA + (aB - 1)) / aB) * aB; +} + +// We use these instead of std::min/max because we can't include the algorithm +// header in all of XPCOM because the stl wrappers will error out when included +// in parts of XPCOM. These functions should never be used outside of XPCOM. +template +inline const T& XPCOM_MIN(const T& aA, const T& aB) { + return aB < aA ? aB : aA; +} + +// Must return b when a == b in case a is -0 +template +inline const T& XPCOM_MAX(const T& aA, const T& aB) { + return aA > aB ? aA : aB; +} + +namespace mozilla { + +template +inline const T& clamped(const T& aA, const T& aMin, const T& aMax) { + MOZ_ASSERT(aMax >= aMin, + "clamped(): aMax must be greater than or equal to aMin"); + return XPCOM_MIN(XPCOM_MAX(aA, aMin), aMax); +} + +} // namespace mozilla + +template +inline uint32_t NS_COUNT(InputIterator& aFirst, const InputIterator& aLast, + const T& aValue) { + uint32_t result = 0; + for (; aFirst != aLast; ++aFirst) + if (*aFirst == aValue) { + ++result; + } + return result; +} + +#endif // !defined(nsAlgorithm_h___) -- cgit v1.2.3