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author | Ivan Blinkov <ivan@blinkov.ru> | 2022-02-10 16:47:10 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:47:10 +0300 |
commit | 1aeb9a455974457866f78722ad98114bafc84e8a (patch) | |
tree | e4340eaf1668684d83a0a58c36947c5def5350ad /contrib/libs/hyperscan/src/util/math.h | |
parent | bd5ef432f5cfb1e18851381329d94665a4c22470 (diff) | |
download | ydb-1aeb9a455974457866f78722ad98114bafc84e8a.tar.gz |
Restoring authorship annotation for Ivan Blinkov <ivan@blinkov.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/hyperscan/src/util/math.h')
-rw-r--r-- | contrib/libs/hyperscan/src/util/math.h | 100 |
1 files changed, 50 insertions, 50 deletions
diff --git a/contrib/libs/hyperscan/src/util/math.h b/contrib/libs/hyperscan/src/util/math.h index e18c502776..99db81df8c 100644 --- a/contrib/libs/hyperscan/src/util/math.h +++ b/contrib/libs/hyperscan/src/util/math.h @@ -1,50 +1,50 @@ -/* - * Copyright (c) 2017, Intel Corporation - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * - * * Redistributions of source code must retain the above copyright notice, - * this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of Intel Corporation nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef UTIL_MATH_H_ -#define UTIL_MATH_H_ - -#include "arch.h" -#include "intrinsics.h" - -#include <math.h> - -static really_inline -double our_pow(double x, double y) { -#if defined(HAVE_AVX) - /* - * Clear the upper half of AVX registers before calling into the math lib. - * On some versions of glibc this can save thousands of AVX-to-SSE - * transitions. - */ - _mm256_zeroupper(); -#endif - return pow(x, y); -} - -#endif // UTIL_MATH_H_ +/* + * Copyright (c) 2017, Intel Corporation + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Intel Corporation nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef UTIL_MATH_H_ +#define UTIL_MATH_H_ + +#include "arch.h" +#include "intrinsics.h" + +#include <math.h> + +static really_inline +double our_pow(double x, double y) { +#if defined(HAVE_AVX) + /* + * Clear the upper half of AVX registers before calling into the math lib. + * On some versions of glibc this can save thousands of AVX-to-SSE + * transitions. + */ + _mm256_zeroupper(); +#endif + return pow(x, y); +} + +#endif // UTIL_MATH_H_ |