diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-128')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_nextafterl.c | 18 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-128/s_nexttoward.c | 23 |
2 files changed, 21 insertions, 20 deletions
diff --git a/sysdeps/ieee754/ldbl-128/s_nextafterl.c b/sysdeps/ieee754/ldbl-128/s_nextafterl.c index 7bc869a518..d3df668178 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: $"; */ #include "math.h" -#include <math_private.h> +#include "math_private.h" #ifdef __STDC__ long double __nextafterl(long double x, long double y) @@ -47,12 +47,9 @@ static char rcsid[] = "$NetBSD: $"; return x+y; if(x==y) return y; /* x=y, return y */ if((ix|lx)==0) { /* x == 0 */ - long double u; SET_LDOUBLE_WORDS64(x,hy&0x8000000000000000ULL,1);/* return +-minsubnormal */ - u = math_opt_barrier (x); - u = u * u; - math_force_eval (u); /* raise underflow flag */ - return x; + y = x*x; + if(y==x) return y; else return x; /* raise underflow flag */ } if(hx>=0) { /* x > 0 */ if(hx>hy||((hx==hy)&&(lx>ly))) { /* x > y, x -= ulp */ @@ -73,9 +70,12 @@ static char rcsid[] = "$NetBSD: $"; } hy = hx&0x7fff000000000000LL; if(hy==0x7fff000000000000LL) return x+x;/* overflow */ - if(hy==0) { - long double u = x*x; /* underflow */ - math_force_eval (u); /* raise underflow flag */ + if(hy==0) { /* underflow */ + y = x*x; + if(y!=x) { /* raise underflow flag */ + SET_LDOUBLE_WORDS64(y,hx,lx); + return y; + } } SET_LDOUBLE_WORDS64(x,hx,lx); return x; diff --git a/sysdeps/ieee754/ldbl-128/s_nexttoward.c b/sysdeps/ieee754/ldbl-128/s_nexttoward.c index 178505c58f..553e401973 100644 --- a/sysdeps/ieee754/ldbl-128/s_nexttoward.c +++ b/sysdeps/ieee754/ldbl-128/s_nexttoward.c @@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: $"; */ #include "math.h" -#include <math_private.h> +#include "math_private.h" #include <float.h> #ifdef __STDC__ @@ -53,12 +53,10 @@ static char rcsid[] = "$NetBSD: $"; return x+y; if((long double) x==y) return y; /* x=y, return y */ if((ix|lx)==0) { /* x == 0 */ - double u; + double x2; INSERT_WORDS(x,(u_int32_t)((hy>>32)&0x80000000),1);/* return +-minsub */ - u = math_opt_barrier (x); - u = u * u; - math_force_eval (u); /* raise underflow flag */ - return x; + x2 = x*x; + if(x2==x) return x2; else return x; /* raise underflow flag */ } if(hx>=0) { /* x > 0 */ if (hy<0||(ix>>20)>(iy>>48)-0x3c00 @@ -89,13 +87,16 @@ static char rcsid[] = "$NetBSD: $"; if(hy>=0x7ff00000) { x = x+x; /* overflow */ if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1) - /* Force conversion to double. */ - asm ("" : "+m"(x)); + /* Force conversion to float. */ + asm ("" : "=m"(x) : "m"(x)); return x; } - if(hy<0x00100000) { - double u = x*x; /* underflow */ - math_force_eval (u); /* raise underflow flag */ + if(hy<0x00100000) { /* underflow */ + double x2 = x*x; + if(x2!=x) { /* raise underflow flag */ + INSERT_WORDS(x2,hx,lx); + return x2; + } } INSERT_WORDS(x,hx,lx); return x; |