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authorUlrich Drepper <drepper@gmail.com>2011-10-22 00:32:39 -0400
committerUlrich Drepper <drepper@gmail.com>2011-10-22 00:32:39 -0400
commitbc62c2fb152d6ffec63975d88fd8f1bc3d3b7c01 (patch)
treebbb67e94ed1a9ba0becbe752c6853c199c639070 /math/s_ccos.c
parentc196fed8f01a8599dd43edf1c7a1ea3ba9ed0598 (diff)
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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.c48
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