diff options
Diffstat (limited to 'sysdeps/i386/fpu/s_nexttowardf.c')
| -rw-r--r-- | sysdeps/i386/fpu/s_nexttowardf.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/sysdeps/i386/fpu/s_nexttowardf.c b/sysdeps/i386/fpu/s_nexttowardf.c index 25f70e4f4d..3fbe53c338 100644 --- a/sysdeps/i386/fpu/s_nexttowardf.c +++ b/sysdeps/i386/fpu/s_nexttowardf.c @@ -19,8 +19,7 @@ static char rcsid[] = "$NetBSD: $"; #endif #include "math.h" -#include <math_private.h> -#include <float.h> +#include "math_private.h" #ifdef __STDC__ float __nexttowardf(float x, long double y) @@ -45,12 +44,10 @@ static char rcsid[] = "$NetBSD: $"; return x+y; if((long double) x==y) return y; /* x=y, return y */ if(ix==0) { /* x == 0 */ - float u; + float x2; SET_FLOAT_WORD(x,((esy&0x8000)<<16)|1);/* return +-minsub*/ - u = math_opt_barrier (x); - u = u * u; - math_force_eval (u); /* raise underflow flag */ - return x; + x2 = x*x; + if(x2==x) return x2; else return x; /* raise underflow flag */ } if(hx>=0) { /* x > 0 */ if(esy>=0x8000||((ix>>23)&0xff)>iy-0x3f80 @@ -72,14 +69,16 @@ static char rcsid[] = "$NetBSD: $"; hy = hx&0x7f800000; if(hy>=0x7f800000) { x = x+x; /* overflow */ - if (FLT_EVAL_METHOD != 0) - /* Force conversion to float. */ - asm ("" : "+m"(x)); + /* Force conversion to float. */ + asm ("" : "=m"(x) : "m"(x)); return x; } - if(hy<0x00800000) { - float u = x*x; /* underflow */ - math_force_eval (u); /* raise underflow flag */ + if(hy<0x00800000) { /* underflow */ + float x2 = x*x; + if(x2!=x) { /* raise underflow flag */ + SET_FLOAT_WORD(x2,hx); + return x2; + } } SET_FLOAT_WORD(x,hx); return x; |