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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/3rdparty/libdepixelize/priv/branchless.h | |
parent | Initial commit. (diff) | |
download | inkscape-upstream.tar.xz inkscape-upstream.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/3rdparty/libdepixelize/priv/branchless.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/3rdparty/libdepixelize/priv/branchless.h b/src/3rdparty/libdepixelize/priv/branchless.h new file mode 100644 index 0000000..487a968 --- /dev/null +++ b/src/3rdparty/libdepixelize/priv/branchless.h @@ -0,0 +1,58 @@ +/* This file is part of the libdepixelize project + Copyright (C) 2013 VinÃcius dos Santos Oliveira <vini.ipsmaker@gmail.com> + + GNU Lesser General Public License Usage + This library is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by the + Free Software Foundation; either version 2.1 of the License, or (at your + option) any later version. + You should have received a copy of the GNU Lesser General Public License + along with this library. If not, see <http://www.gnu.org/licenses/>. + + GNU General Public License Usage + Alternatively, this library may be used under the terms of the GNU General + Public License as published by the Free Software Foundation, either version + 2 of the License, or (at your option) any later version. + You should have received a copy of the GNU General Public License along with + this library. If not, see <http://www.gnu.org/licenses/>. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. +*/ + +#ifndef LIBDEPIXELIZE_TRACER_BRANCHLESS_H +#define LIBDEPIXELIZE_TRACER_BRANCHLESS_H + +namespace Tracer { + +/** + * Branch misprediction proof operations + */ +namespace branchless { + +/* + * All modern processors optimize the branch to a conditional move + */ +template<class T> +T first_if(T first, T second, bool cond) +{ + return cond ? first : second; +} + +} // namespace branchless +} // namespace Tracer { + +#endif // LIBDEPIXELIZE_TRACER_BRANCHLESS_H + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 : |