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author | bde <bde@FreeBSD.org> | 1997-03-09 16:29:29 +0000 |
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committer | bde <bde@FreeBSD.org> | 1997-03-09 16:29:29 +0000 |
commit | 6dc700613a5a26417b3b8a3b958664e44dd507fe (patch) | |
tree | 328c568ab800325731d7e389e35755b4bacbbfd2 /lib/msun/src/e_acoshf.c | |
parent | 154b7d3e6c9eb840b8244cd54446d8bab6e56de1 (diff) | |
download | FreeBSD-src-6dc700613a5a26417b3b8a3b958664e44dd507fe.zip FreeBSD-src-6dc700613a5a26417b3b8a3b958664e44dd507fe.tar.gz |
Use __ieee754_sqrt() instead of sqrt() internally. Similarly for the
float versions. Using sqrt() was inefficient.
Obtained from: NetBSD
Diffstat (limited to 'lib/msun/src/e_acoshf.c')
-rw-r--r-- | lib/msun/src/e_acoshf.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/msun/src/e_acoshf.c b/lib/msun/src/e_acoshf.c index ba4006b..1d234d2 100644 --- a/lib/msun/src/e_acoshf.c +++ b/lib/msun/src/e_acoshf.c @@ -14,7 +14,7 @@ */ #ifndef lint -static char rcsid[] = "$Id$"; +static char rcsid[] = "$Id: e_acoshf.c,v 1.4 1997/02/22 15:09:56 peter Exp $"; #endif #include "math.h" @@ -49,9 +49,9 @@ ln2 = 6.9314718246e-01; /* 0x3f317218 */ return 0.0; /* acosh(1) = 0 */ } else if (hx > 0x40000000) { /* 2**28 > x > 2 */ t=x*x; - return __ieee754_logf((float)2.0*x-one/(x+sqrtf(t-one))); + return __ieee754_logf((float)2.0*x-one/(x+__ieee754_sqrtf(t-one))); } else { /* 1<x<2 */ t = x-one; - return log1pf(t+sqrtf((float)2.0*t+t*t)); + return log1pf(t+__ieee754_sqrtf((float)2.0*t+t*t)); } } |