diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_nextafterl.c | 18 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_nextafterl.c | 18 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c | 20 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_nextafterl.c | 20 |
5 files changed, 43 insertions, 38 deletions
diff --git a/ChangeLog b/ChangeLog index f38e61d929..fed20cef1c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2007-04-01 Jakub Jelinek <jakub@redhat.com> + + * sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c (__nextafterl): Use + math_opt_barrier and math_force_eval macros. + 2007-03-27 Jakub Jelinek <jakub@redhat.com> [BZ #3306] diff --git a/sysdeps/i386/fpu/s_nextafterl.c b/sysdeps/i386/fpu/s_nextafterl.c index 5b617cb4e7..aef0a144e5 100644 --- a/sysdeps/i386/fpu/s_nextafterl.c +++ b/sysdeps/i386/fpu/s_nextafterl.c @@ -27,7 +27,7 @@ static char rcsid[] = "$NetBSD: $"; */ #include "math.h" -#include "math_private.h" +#include <math_private.h> #ifdef __STDC__ long double __nextafterl(long double x, long double y) @@ -52,9 +52,12 @@ static char rcsid[] = "$NetBSD: $"; return x+y; if(x==y) return y; /* x=y, return y */ if((ix|hx|lx)==0) { /* x == 0 */ + long double u; SET_LDOUBLE_WORDS(x,esy&0x8000,0,1);/* return +-minsubnormal */ - y = x*x; - if(y==x) return y; else return x; /* raise underflow flag */ + u = math_opt_barrier (x); + u = u * u; + math_force_eval (u); /* raise underflow flag */ + return x; } if(esx>=0) { /* x > 0 */ if(esx>esy||((esx==esy) && (hx>hy||((hx==hy)&&(lx>ly))))) { @@ -109,12 +112,9 @@ static char rcsid[] = "$NetBSD: $"; } esy = esx&0x7fff; if(esy==0x7fff) return x+x; /* overflow */ - if(esy==0) { /* underflow */ - y = x*x; - if(y!=x) { /* raise underflow flag */ - SET_LDOUBLE_WORDS(y,esx,hx,lx); - return y; - } + if(esy==0) { + long double u = x*x; /* underflow */ + math_force_eval (u); /* raise underflow flag */ } SET_LDOUBLE_WORDS(x,esx,hx,lx); return x; diff --git a/sysdeps/ieee754/ldbl-128/s_nextafterl.c b/sysdeps/ieee754/ldbl-128/s_nextafterl.c index d3df668178..7bc869a518 100644 --- a/sysdeps/ieee754/ldbl-128/s_nextafterl.c +++ b/sysdeps/ieee754/ldbl-128/s_nextafterl.c @@ -25,7 +25,7 @@ static char rcsid[] = "$NetBSD: $"; */ #include "math.h" -#include "math_private.h" +#include <math_private.h> #ifdef __STDC__ long double __nextafterl(long double x, long double y) @@ -47,9 +47,12 @@ static char rcsid[] = "$NetBSD: $"; return x+y; if(x==y) return y; /* x=y, return y */ if((ix|lx)==0) { /* x == 0 */ + long double u; SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */ - y = x*x; - if(y==x) return y; else return x; /* raise underflow flag */ + u = math_opt_barrier (x); + u = u * u; + math_force_eval (u); /* raise underflow flag */ + return x; } if(hx>=0) { /* x > 0 */ if(hx>hy||((hx==hy)&&(lx>ly))) { /* x > y, x -= ulp */ @@ -70,12 +73,9 @@ static char rcsid[] = "$NetBSD: $"; } hy = hx&0x7fff000000000000LL; if(hy==0x7fff000000000000LL) return x+x;/* overflow */ - if(hy==0) { /* underflow */ - y = x*x; - if(y!=x) { /* raise underflow flag */ - SET_LDOUBLE_WORDS64(y,hx,lx); - return y; - } + if(hy==0) { + long double u = x*x; /* underflow */ + math_force_eval (u); /* raise underflow flag */ } SET_LDOUBLE_WORDS64(x,hx,lx); return x; diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c b/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c index e35ce50829..4f8aa7dec1 100644 --- a/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c +++ b/sysdeps/ieee754/ldbl-128ibm/s_nextafterl.c @@ -24,8 +24,8 @@ static char rcsid[] = "$NetBSD: $"; * Special cases: */ -#include "math.h" -#include "math_private.h" +#include <math.h> +#include <math_private.h> #include <math_ldbl_opt.h> #ifdef __STDC__ @@ -53,9 +53,12 @@ static char rcsid[] = "$NetBSD: $"; if(x==y) return y; /* x=y, return y */ if(ihx == 0 && ilx == 0) { /* x == 0 */ + long double u; SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */ - y = x*x; - if(y==x) return y; else return x; /* raise underflow flag */ + u = math_opt_barrier (u); + u = u * u; + math_force_eval (u); /* raise underflow flag */ + return x; } if(ihx>=0) { /* x > 0 */ if(ihx>ihy||((ihx==ihy)&&(ilx>ily))) { /* x > y, x -= ulp */ @@ -93,12 +96,9 @@ static char rcsid[] = "$NetBSD: $"; } hy = hx&0x7ff0000000000000LL; if(hy==0x7ff0000000000000LL) return x+x;/* overflow */ - if(hy==0) { /* underflow */ - y = x*x; - if(y!=x) { /* raise underflow flag */ - SET_LDOUBLE_WORDS64(y,hx,lx); - return y; - } + if(hy==0) { + long double u = x * x; /* underflow */ + math_force_eval (u); /* raise underflow flag */ } SET_LDOUBLE_WORDS64(x,hx,lx); return x; diff --git a/sysdeps/ieee754/ldbl-96/s_nextafterl.c b/sysdeps/ieee754/ldbl-96/s_nextafterl.c index 1798261b28..ed0877d6dd 100644 --- a/sysdeps/ieee754/ldbl-96/s_nextafterl.c +++ b/sysdeps/ieee754/ldbl-96/s_nextafterl.c @@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $"; */ #include "math.h" -#include "math_private.h" +#include <math_private.h> #ifdef __STDC__ long double __nextafterl(long double x, long double y) @@ -48,9 +48,12 @@ static char rcsid[] = "$NetBSD: $"; return x+y; if(x==y) return y; /* x=y, return y */ if((ix|hx|lx)==0) { /* x == 0 */ + long double u; SET_LDOUBLE_WORDS(x,esy&0x8000,0,1);/* return +-minsubnormal */ - y = x*x; - if(y==x) return y; else return x; /* raise underflow flag */ + u = math_opt_barrier (x); + u = u * u; + math_force_eval (u); /* raise underflow flag */ + return x; } if(esx<0x8000) { /* x > 0 */ if(ix>iy||((ix==iy) && (hx>hy||((hx==hy)&&(lx>ly))))) { @@ -85,13 +88,10 @@ static char rcsid[] = "$NetBSD: $"; } } esy = esx&0x7fff; - if(esy==0x7fff) return x+x; /* overflow */ - if(esy==0) { /* underflow */ - y = x*x; - if(y!=x) { /* raise underflow flag */ - SET_LDOUBLE_WORDS(y,esx,hx,lx); - return y; - } + if(esy==0x7fff) return x+x; /* overflow */ + if(esy==0) { + long double u = x*x; /* underflow */ + math_force_eval (u); /* raise underflow flag */ } SET_LDOUBLE_WORDS(x,esx,hx,lx); return x; |