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authorUlrich Drepper <drepper@gmail.com>2011-10-12 11:27:51 -0400
committerUlrich Drepper <drepper@gmail.com>2011-10-12 11:27:51 -0400
commit0ac5ae2335292908f39031b1ea9fe8edce433c0f (patch)
treef9d26c8abc0de39d18d4c13e70f6022cdc6b461f /sysdeps/ieee754/ldbl-96/e_acoshl.c
parenta843a204a3e8a0dd53584dad3668771abaec84ac (diff)
downloadglibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.gz
Optimize libm
libm is now somewhat integrated with gcc's -ffinite-math-only option and lots of the wrapper functions have been optimized.
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/e_acoshl.c')
-rw-r--r--sysdeps/ieee754/ldbl-96/e_acoshl.c19
1 files changed, 4 insertions, 15 deletions
diff --git a/sysdeps/ieee754/ldbl-96/e_acoshl.c b/sysdeps/ieee754/ldbl-96/e_acoshl.c
index 5d4fa1deda..6f709b7bdf 100644
--- a/sysdeps/ieee754/ldbl-96/e_acoshl.c
+++ b/sysdeps/ieee754/ldbl-96/e_acoshl.c
@@ -14,10 +14,6 @@
* ====================================================
*/
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: $";
-#endif
-
/* __ieee754_acoshl(x)
* Method :
* Based on
@@ -35,20 +31,12 @@ static char rcsid[] = "$NetBSD: $";
#include "math.h"
#include "math_private.h"
-#ifdef __STDC__
static const long double
-#else
-static long double
-#endif
one = 1.0,
ln2 = 6.931471805599453094287e-01L; /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
-#ifdef __STDC__
- long double __ieee754_acoshl(long double x)
-#else
- long double __ieee754_acoshl(x)
- long double x;
-#endif
+long double
+__ieee754_acoshl(long double x)
{
long double t;
u_int32_t se,i0,i1;
@@ -57,7 +45,7 @@ ln2 = 6.931471805599453094287e-01L; /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
return (x-x)/(x-x);
} else if(se >=0x401d) { /* x > 2**30 */
if(se >=0x7fff) { /* x is inf of NaN */
- return x+x;
+ return x+x;
} else
return __ieee754_logl(x)+ln2; /* acoshl(huge)=logl(2x) */
} else if(((se-0x3fff)|i0|i1)==0) {
@@ -70,3 +58,4 @@ ln2 = 6.931471805599453094287e-01L; /* 0x3FFE, 0xB17217F7, 0xD1CF79AC */
return __log1pl(t+__sqrtl(2.0*t+t*t));
}
}
+strong_alias (__ieee754_acoshl, __acoshl_finite)