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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-22 00:32:39 -0400 |
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| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-22 00:32:39 -0400 |
| commit | bc62c2fb152d6ffec63975d88fd8f1bc3d3b7c01 (patch) | |
| tree | bbb67e94ed1a9ba0becbe752c6853c199c639070 /math/s_ccos.c | |
| parent | c196fed8f01a8599dd43edf1c7a1ea3ba9ed0598 (diff) | |
| download | glibc-bc62c2fb152d6ffec63975d88fd8f1bc3d3b7c01.tar.gz glibc-bc62c2fb152d6ffec63975d88fd8f1bc3d3b7c01.tar.xz glibc-bc62c2fb152d6ffec63975d88fd8f1bc3d3b7c01.zip | |
Optimization to some complex math functions
Also, change last reference to __sqrt into __sqrt to easily.
Diffstat (limited to 'math/s_ccos.c')
| -rw-r--r-- | math/s_ccos.c | 48 |
1 files changed, 4 insertions, 44 deletions
diff --git a/math/s_ccos.c b/math/s_ccos.c index 63851aab54..4612eb33c3 100644 --- a/math/s_ccos.c +++ b/math/s_ccos.c @@ -27,52 +27,12 @@ __complex__ double __ccos (__complex__ double x) { - __complex__ double res; + __complex__ double y; - if (!isfinite (__real__ x) || __isnan (__imag__ x)) - { - if (__real__ x == 0.0 || __imag__ x == 0.0) - { - __real__ res = __nan (""); - __imag__ res = 0.0; + __real__ y = -__imag__ x; + __imag__ y = __real__ x; -#ifdef FE_INVALID - if (__isinf_ns (__real__ x)) - feraiseexcept (FE_INVALID); -#endif - } - else if (__isinf_ns (__imag__ x)) - { - __real__ res = HUGE_VAL; - __imag__ res = __nan (""); - -#ifdef FE_INVALID - if (__isinf_ns (__real__ x)) - feraiseexcept (FE_INVALID); -#endif - } - else - { - __real__ res = __nan (""); - __imag__ res = __nan (""); - -#ifdef FE_INVALID - if (isfinite (__imag__ x)) - feraiseexcept (FE_INVALID); -#endif - } - } - else - { - __complex__ double y; - - __real__ y = -__imag__ x; - __imag__ y = __real__ x; - - res = __ccosh (y); - } - - return res; + return __ccosh (y); } weak_alias (__ccos, ccos) #ifdef NO_LONG_DOUBLE |