diff options
| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-12 11:27:51 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-12 11:27:51 -0400 |
| commit | 0ac5ae2335292908f39031b1ea9fe8edce433c0f (patch) | |
| tree | f9d26c8abc0de39d18d4c13e70f6022cdc6b461f /sysdeps/ieee754/ldbl-128ibm/e_acoshl.c | |
| parent | a843a204a3e8a0dd53584dad3668771abaec84ac (diff) | |
| download | glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.zip glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.gz glibc-0ac5ae2335292908f39031b1ea9fe8edce433c0f.tar.bz2 | |
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-128ibm/e_acoshl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/e_acoshl.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c b/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c index 00576c7..20d94ea 100644 --- a/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c +++ b/sysdeps/ieee754/ldbl-128ibm/e_acoshl.c @@ -10,10 +10,6 @@ * ==================================================== */ -#if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: e_acosh.c,v 1.9 1995/05/12 04:57:18 jtc Exp $"; -#endif - /* __ieee754_acosh(x) * Method : * Based on @@ -31,20 +27,12 @@ static char rcsid[] = "$NetBSD: e_acosh.c,v 1.9 1995/05/12 04:57:18 jtc Exp $"; #include "math.h" #include "math_private.h" -#ifdef __STDC__ static const long double -#else -static long double -#endif one = 1.0L, ln2 = 6.93147180559945286227e-01L; /* 0x3FE62E42, 0xFEFA39EF */ -#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; int64_t hx; @@ -54,7 +42,7 @@ ln2 = 6.93147180559945286227e-01L; /* 0x3FE62E42, 0xFEFA39EF */ return (x-x)/(x-x); } else if(hx >=0x41b0000000000000LL) { /* x > 2**28 */ if(hx >=0x7ff0000000000000LL) { /* x is inf of NaN */ - return x+x; + return x+x; } else return __ieee754_logl(x)+ln2; /* acosh(huge)=log(2x) */ } else if (((hx-0x3ff0000000000000LL)|(lx&0x7fffffffffffffffLL))==0) { @@ -67,3 +55,4 @@ ln2 = 6.93147180559945286227e-01L; /* 0x3FE62E42, 0xFEFA39EF */ return __log1p(t+__sqrtl(2.0*t+t*t)); } } +strong_alias (__ieee754_acoshl, __acoshl_finite) |