diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c | 26 |
1 files changed, 10 insertions, 16 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c index cf655fad16..a9373ff822 100644 --- a/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c +++ b/sysdeps/ieee754/ldbl-128ibm/s_nexttowardf.c @@ -19,9 +19,8 @@ static char rcsid[] = "$NetBSD: $"; #endif #include "math.h" -#include <math_private.h> +#include "math_private.h" #include <math_ldbl_opt.h> -#include <float.h> #ifdef __STDC__ float __nexttowardf(float x, long double y) @@ -47,12 +46,10 @@ static char rcsid[] = "$NetBSD: $"; return x+y; if((long double) x==y) return y; /* x=y, return y */ if(ix==0) { /* x == 0 */ - float u; + float x2; SET_FLOAT_WORD(x,(u_int32_t)((hy>>32)&0x80000000)|1);/* return +-minsub*/ - u = math_opt_barrier (x); - u = u * u; - math_force_eval (u); /* raise underflow flag */ - return x; + x2 = x*x; + if(x2==x) return x2; else return x; /* raise underflow flag */ } if(hx>=0) { /* x > 0 */ if(hy<0||(ix>>23)>(iy>>52)-0x380 @@ -72,16 +69,13 @@ static char rcsid[] = "$NetBSD: $"; } } hy = hx&0x7f800000; - if(hy>=0x7f800000) { - x = x+x; /* overflow */ - if (FLT_EVAL_METHOD != 0) - /* Force conversion to float. */ - asm ("" : "+m"(x)); - return x; - } + if(hy>=0x7f800000) return x+x; /* overflow */ if(hy<0x00800000) { /* underflow */ - float u = x*x; - math_force_eval (u); /* raise underflow flag */ + float x2 = x*x; + if(x2!=x) { /* raise underflow flag */ + SET_FLOAT_WORD(x2,hx); + return x2; + } } SET_FLOAT_WORD(x,hx); return x; |