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| author | bde <bde@FreeBSD.org> | 1997-03-09 16:29:29 +0000 |
|---|---|---|
| committer | bde <bde@FreeBSD.org> | 1997-03-09 16:29:29 +0000 |
| commit | 6dc700613a5a26417b3b8a3b958664e44dd507fe (patch) | |
| tree | 328c568ab800325731d7e389e35755b4bacbbfd2 /lib/msun/src/e_hypot.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_hypot.c')
| -rw-r--r-- | lib/msun/src/e_hypot.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/msun/src/e_hypot.c b/lib/msun/src/e_hypot.c index 45d921f..b2a577f 100644 --- a/lib/msun/src/e_hypot.c +++ b/lib/msun/src/e_hypot.c @@ -11,7 +11,7 @@ */ #ifndef lint -static char rcsid[] = "$Id$"; +static char rcsid[] = "$Id: e_hypot.c,v 1.4 1997/02/22 15:10:12 peter Exp $"; #endif /* __ieee754_hypot(x,y) @@ -107,7 +107,7 @@ static char rcsid[] = "$Id$"; t1 = 0; SET_HIGH_WORD(t1,ha); t2 = a-t1; - w = sqrt(t1*t1-(b*(-b)-t2*(a+t1))); + w = __ieee754_sqrt(t1*t1-(b*(-b)-t2*(a+t1))); } else { a = a+a; y1 = 0; @@ -116,7 +116,7 @@ static char rcsid[] = "$Id$"; t1 = 0; SET_HIGH_WORD(t1,ha+0x00100000); t2 = a - t1; - w = sqrt(t1*y1-(w*(-w)-(t1*y2+t2*b))); + w = __ieee754_sqrt(t1*y1-(w*(-w)-(t1*y2+t2*b))); } if(k!=0) { u_int32_t high; |
