diff options
Diffstat (limited to 'sysdeps/ieee754/flt-32/s_nextafterf.c')
-rw-r--r-- | sysdeps/ieee754/flt-32/s_nextafterf.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/sysdeps/ieee754/flt-32/s_nextafterf.c b/sysdeps/ieee754/flt-32/s_nextafterf.c index 600c14621f..e1568e24c9 100644 --- a/sysdeps/ieee754/flt-32/s_nextafterf.c +++ b/sysdeps/ieee754/flt-32/s_nextafterf.c @@ -18,7 +18,7 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp #endif #include "math.h" -#include <math_private.h> +#include "math_private.h" #include <float.h> #ifdef __STDC__ @@ -40,12 +40,9 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp return x+y; if(x==y) return y; /* x=y, return y */ if(ix==0) { /* x == 0 */ - float u; SET_FLOAT_WORD(x,(hy&0x80000000)|1);/* return +-minsubnormal */ - u = math_opt_barrier (x); - u = u*u; - math_force_eval (u); /* raise underflow flag */ - return x; + y = x*x; + if(y==x) return y; else return x; /* raise underflow flag */ } if(hx>=0) { /* x > 0 */ if(hx>hy) { /* x > y, x -= ulp */ @@ -64,12 +61,15 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp if(hy>=0x7f800000) { x = x+x; /* overflow */ if (FLT_EVAL_METHOD != 0) - asm ("" : "+m"(x)); + asm ("" : "=m"(x) : "m"(x)); return x; /* overflow */ } - if(hy<0x00800000) { - float u = x*x; /* underflow */ - math_force_eval (u); /* raise underflow flag */ + if(hy<0x00800000) { /* underflow */ + y = x*x; + if(y!=x) { /* raise underflow flag */ + SET_FLOAT_WORD(y,hx); + return y; + } } SET_FLOAT_WORD(x,hx); return x; |