diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_exp2f.c | 6 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_log2f.c (renamed from sysdeps/ieee754/flt-32/s_log2f.c) | 5 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_ilogbf.c | 8 |
3 files changed, 12 insertions, 7 deletions
diff --git a/sysdeps/ieee754/flt-32/e_exp2f.c b/sysdeps/ieee754/flt-32/e_exp2f.c index 4d529ea285..263ee16a9f 100644 --- a/sysdeps/ieee754/flt-32/e_exp2f.c +++ b/sysdeps/ieee754/flt-32/e_exp2f.c @@ -1,5 +1,5 @@ /* Single-precision floating point 2^x. - Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. + Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Geoffrey Keating <geoffk@ozemail.com.au> @@ -45,10 +45,10 @@ float __ieee754_exp2f (float x) { static const float himark = (float) FLT_MAX_EXP; - static const float lomark = (float) (FLT_MIN_EXP - FLT_MANT_DIG - 1) - 1.0; + static const float lomark = (float) (FLT_MIN_EXP - FLT_MANT_DIG - 1); /* Check for usual case. */ - if (isless (x, himark) && isgreater (x, lomark)) + if (isless (x, himark) && isgreaterequal (x, lomark)) { static const float THREEp14 = 49152.0; int tval, unsafe; diff --git a/sysdeps/ieee754/flt-32/s_log2f.c b/sysdeps/ieee754/flt-32/e_log2f.c index 2377acd36a..af3c6eadfe 100644 --- a/sysdeps/ieee754/flt-32/s_log2f.c +++ b/sysdeps/ieee754/flt-32/e_log2f.c @@ -40,9 +40,9 @@ static float zero = 0.0; #endif #ifdef __STDC__ - float __log2f(float x) + float __ieee754_log2f(float x) #else - float __log2f(x) + float __ieee754_log2f(x) float x; #endif { @@ -88,4 +88,3 @@ static float zero = 0.0; return dk-((s*(f-R))-f)/ln2; } } -weak_alias (__log2f, log2f) diff --git a/sysdeps/ieee754/flt-32/s_ilogbf.c b/sysdeps/ieee754/flt-32/s_ilogbf.c index e652b93619..ea3dc13bcb 100644 --- a/sysdeps/ieee754/flt-32/s_ilogbf.c +++ b/sysdeps/ieee754/flt-32/s_ilogbf.c @@ -17,6 +17,7 @@ static char rcsid[] = "$NetBSD: s_ilogbf.c,v 1.4 1995/05/10 20:47:31 jtc Exp $"; #endif +#include <limits.h> #include "math.h" #include "math_private.h" @@ -39,6 +40,11 @@ static char rcsid[] = "$NetBSD: s_ilogbf.c,v 1.4 1995/05/10 20:47:31 jtc Exp $"; return ix; } else if (hx<0x7f800000) return (hx>>23)-127; - else return FP_ILOGBNAN; + else if (FP_ILOGBNAN != INT_MAX) { + /* ISO C99 requires ilogbf(+-Inf) == INT_MAX. */ + if (hx==0x7f800000) + return INT_MAX; + } + return FP_ILOGBNAN; } weak_alias (__ilogbf, ilogbf) |