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author | Anton Samokhvalov <pg83@yandex.ru> | 2022-02-10 16:45:17 +0300 |
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committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:17 +0300 |
commit | d3a398281c6fd1d3672036cb2d63f842d2cb28c5 (patch) | |
tree | dd4bd3ca0f36b817e96812825ffaf10d645803f2 /contrib/libs/cxxsupp/builtins/mulsc3.c | |
parent | 72cb13b4aff9bc9cf22e49251bc8fd143f82538f (diff) | |
download | ydb-d3a398281c6fd1d3672036cb2d63f842d2cb28c5.tar.gz |
Restoring authorship annotation for Anton Samokhvalov <pg83@yandex.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/cxxsupp/builtins/mulsc3.c')
-rw-r--r-- | contrib/libs/cxxsupp/builtins/mulsc3.c | 146 |
1 files changed, 73 insertions, 73 deletions
diff --git a/contrib/libs/cxxsupp/builtins/mulsc3.c b/contrib/libs/cxxsupp/builtins/mulsc3.c index 270c6de820..c89cfd247a 100644 --- a/contrib/libs/cxxsupp/builtins/mulsc3.c +++ b/contrib/libs/cxxsupp/builtins/mulsc3.c @@ -1,73 +1,73 @@ -/* ===-- mulsc3.c - Implement __mulsc3 -------------------------------------=== - * - * The LLVM Compiler Infrastructure - * - * This file is dual licensed under the MIT and the University of Illinois Open - * Source Licenses. See LICENSE.TXT for details. - * - * ===----------------------------------------------------------------------=== - * - * This file implements __mulsc3 for the compiler_rt library. - * - * ===----------------------------------------------------------------------=== - */ - -#include "int_lib.h" -#include "int_math.h" - -/* Returns: the product of a + ib and c + id */ - -COMPILER_RT_ABI Fcomplex -__mulsc3(float __a, float __b, float __c, float __d) -{ - float __ac = __a * __c; - float __bd = __b * __d; - float __ad = __a * __d; - float __bc = __b * __c; - Fcomplex z; - COMPLEX_REAL(z) = __ac - __bd; - COMPLEX_IMAGINARY(z) = __ad + __bc; - if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) - { - int __recalc = 0; - if (crt_isinf(__a) || crt_isinf(__b)) - { - __a = crt_copysignf(crt_isinf(__a) ? 1 : 0, __a); - __b = crt_copysignf(crt_isinf(__b) ? 1 : 0, __b); - if (crt_isnan(__c)) - __c = crt_copysignf(0, __c); - if (crt_isnan(__d)) - __d = crt_copysignf(0, __d); - __recalc = 1; - } - if (crt_isinf(__c) || crt_isinf(__d)) - { - __c = crt_copysignf(crt_isinf(__c) ? 1 : 0, __c); - __d = crt_copysignf(crt_isinf(__d) ? 1 : 0, __d); - if (crt_isnan(__a)) - __a = crt_copysignf(0, __a); - if (crt_isnan(__b)) - __b = crt_copysignf(0, __b); - __recalc = 1; - } - if (!__recalc && (crt_isinf(__ac) || crt_isinf(__bd) || - crt_isinf(__ad) || crt_isinf(__bc))) - { - if (crt_isnan(__a)) - __a = crt_copysignf(0, __a); - if (crt_isnan(__b)) - __b = crt_copysignf(0, __b); - if (crt_isnan(__c)) - __c = crt_copysignf(0, __c); - if (crt_isnan(__d)) - __d = crt_copysignf(0, __d); - __recalc = 1; - } - if (__recalc) - { - COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c - __b * __d); - COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__a * __d + __b * __c); - } - } - return z; -} +/* ===-- mulsc3.c - Implement __mulsc3 -------------------------------------=== + * + * The LLVM Compiler Infrastructure + * + * This file is dual licensed under the MIT and the University of Illinois Open + * Source Licenses. See LICENSE.TXT for details. + * + * ===----------------------------------------------------------------------=== + * + * This file implements __mulsc3 for the compiler_rt library. + * + * ===----------------------------------------------------------------------=== + */ + +#include "int_lib.h" +#include "int_math.h" + +/* Returns: the product of a + ib and c + id */ + +COMPILER_RT_ABI Fcomplex +__mulsc3(float __a, float __b, float __c, float __d) +{ + float __ac = __a * __c; + float __bd = __b * __d; + float __ad = __a * __d; + float __bc = __b * __c; + Fcomplex z; + COMPLEX_REAL(z) = __ac - __bd; + COMPLEX_IMAGINARY(z) = __ad + __bc; + if (crt_isnan(COMPLEX_REAL(z)) && crt_isnan(COMPLEX_IMAGINARY(z))) + { + int __recalc = 0; + if (crt_isinf(__a) || crt_isinf(__b)) + { + __a = crt_copysignf(crt_isinf(__a) ? 1 : 0, __a); + __b = crt_copysignf(crt_isinf(__b) ? 1 : 0, __b); + if (crt_isnan(__c)) + __c = crt_copysignf(0, __c); + if (crt_isnan(__d)) + __d = crt_copysignf(0, __d); + __recalc = 1; + } + if (crt_isinf(__c) || crt_isinf(__d)) + { + __c = crt_copysignf(crt_isinf(__c) ? 1 : 0, __c); + __d = crt_copysignf(crt_isinf(__d) ? 1 : 0, __d); + if (crt_isnan(__a)) + __a = crt_copysignf(0, __a); + if (crt_isnan(__b)) + __b = crt_copysignf(0, __b); + __recalc = 1; + } + if (!__recalc && (crt_isinf(__ac) || crt_isinf(__bd) || + crt_isinf(__ad) || crt_isinf(__bc))) + { + if (crt_isnan(__a)) + __a = crt_copysignf(0, __a); + if (crt_isnan(__b)) + __b = crt_copysignf(0, __b); + if (crt_isnan(__c)) + __c = crt_copysignf(0, __c); + if (crt_isnan(__d)) + __d = crt_copysignf(0, __d); + __recalc = 1; + } + if (__recalc) + { + COMPLEX_REAL(z) = CRT_INFINITY * (__a * __c - __b * __d); + COMPLEX_IMAGINARY(z) = CRT_INFINITY * (__a * __d + __b * __c); + } + } + return z; +} |