diff options
Diffstat (limited to 'sysdeps/libm-ieee754/e_expf.c')
| -rw-r--r-- | sysdeps/libm-ieee754/e_expf.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sysdeps/libm-ieee754/e_expf.c b/sysdeps/libm-ieee754/e_expf.c index 80af17918f..fbf2691bf9 100644 --- a/sysdeps/libm-ieee754/e_expf.c +++ b/sysdeps/libm-ieee754/e_expf.c @@ -8,19 +8,19 @@ * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this - * software is freely granted, provided that this notice + * software is freely granted, provided that this notice * is preserved. * ==================================================== */ #if defined(LIBM_SCCS) && !defined(lint) -static char rcsid[] = "$NetBSD: e_expf.c,v 1.5 1995/05/10 20:45:05 jtc Exp $"; +static char rcsid[] = "$NetBSD: e_expf.c,v 1.6 1996/04/08 15:43:43 phil Exp $"; #endif #include "math.h" #include "math_private.h" -static const volatile float huge = 1.0e+30; +static const float huge = 1.0e+30; #ifdef __STDC__ static const float @@ -69,7 +69,7 @@ P5 = 4.1381369442e-08; /* 0x3331bb4c */ } /* argument reduction */ - if(hx > 0x3eb17218) { /* if |x| > 0.5 ln2 */ + if(hx > 0x3eb17218) { /* if |x| > 0.5 ln2 */ if(hx < 0x3F851592) { /* and |x| < 1.5 ln2 */ hi = x-ln2HI[xsb]; lo=ln2LO[xsb]; k = 1-xsb-xsb; } else { @@ -79,7 +79,7 @@ P5 = 4.1381369442e-08; /* 0x3331bb4c */ lo = t*ln2LO[0]; } x = hi - lo; - } + } else if(hx < 0x31800000) { /* when |x|<2**-28 */ if(huge+x>one) return one+x;/* trigger inexact */ } @@ -88,7 +88,7 @@ P5 = 4.1381369442e-08; /* 0x3331bb4c */ /* x is now in primary range */ t = x*x; c = x - t*(P1+t*(P2+t*(P3+t*(P4+t*P5)))); - if(k==0) return one-((x*c)/(c-(float)2.0)-x); + if(k==0) return one-((x*c)/(c-(float)2.0)-x); else y = one-((lo-(x*c)/((float)2.0-c))-hi); if(k >= -125) { u_int32_t hy; |