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Diffstat (limited to 'sysdeps/ieee754/flt-32/e_hypotf.c')
-rw-r--r--sysdeps/ieee754/flt-32/e_hypotf.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/sysdeps/ieee754/flt-32/e_hypotf.c b/sysdeps/ieee754/flt-32/e_hypotf.c
index a8e1a52d2b..7ec8ae66bc 100644
--- a/sysdeps/ieee754/flt-32/e_hypotf.c
+++ b/sysdeps/ieee754/flt-32/e_hypotf.c
@@ -13,19 +13,11 @@
* ====================================================
*/
-#if defined(LIBM_SCCS) && !defined(lint)
-static char rcsid[] = "$NetBSD: e_hypotf.c,v 1.5 1995/05/12 04:57:30 jtc Exp $";
-#endif
-
#include "math.h"
#include "math_private.h"
-#ifdef __STDC__
- float __ieee754_hypotf(float x, float y)
-#else
- float __ieee754_hypotf(x,y)
- float x, y;
-#endif
+float
+__ieee754_hypotf(float x, float y)
{
float a,b,t1,t2,y1,y2,w;
int32_t j,k,ha,hb;
@@ -39,7 +31,7 @@ static char rcsid[] = "$NetBSD: e_hypotf.c,v 1.5 1995/05/12 04:57:30 jtc Exp $";
SET_FLOAT_WORD(b,hb); /* b <- |b| */
if((ha-hb)>0xf000000) {return a+b;} /* x/y > 2**30 */
k=0;
- if(ha > 0x58800000) { /* a>2**50 */
+ if(__builtin_expect(ha > 0x58800000, 0)) { /* a>2**50 */
if(ha >= 0x7f800000) { /* Inf or NaN */
w = a+b; /* for sNaN */
if(ha == 0x7f800000) w = a;
@@ -51,15 +43,15 @@ static char rcsid[] = "$NetBSD: e_hypotf.c,v 1.5 1995/05/12 04:57:30 jtc Exp $";
SET_FLOAT_WORD(a,ha);
SET_FLOAT_WORD(b,hb);
}
- if(hb < 0x26800000) { /* b < 2**-50 */
+ if(__builtin_expect(hb < 0x26800000, 0)) { /* b < 2**-50 */
if(hb <= 0x007fffff) { /* subnormal b or 0 */
- if(hb==0) return a;
+ if(hb==0) return a;
SET_FLOAT_WORD(t1,0x7e800000); /* t1=2^126 */
b *= t1;
a *= t1;
k -= 126;
} else { /* scale a and b by 2^60 */
- ha += 0x1e000000; /* a *= 2^60 */
+ ha += 0x1e000000; /* a *= 2^60 */
hb += 0x1e000000; /* b *= 2^60 */
k -= 60;
SET_FLOAT_WORD(a,ha);
@@ -85,3 +77,4 @@ static char rcsid[] = "$NetBSD: e_hypotf.c,v 1.5 1995/05/12 04:57:30 jtc Exp $";
return t1*w;
} else return w;
}
+strong_alias (__ieee754_hypotf, __hypotf_finite)