diff options
Diffstat (limited to 'math/s_nextafter.c')
| -rw-r--r-- | math/s_nextafter.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/math/s_nextafter.c b/math/s_nextafter.c index 28962e5..dfa5e86 100644 --- a/math/s_nextafter.c +++ b/math/s_nextafter.c @@ -25,6 +25,7 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp #define __nexttoward __internal___nexttoward #define nexttoward __internal_nexttoward +#include <errno.h> #include <math.h> #include <math_private.h> #include <float.h> @@ -72,10 +73,12 @@ double __nextafter(double x, double y) if(hy>=0x7ff00000) { double u = x+x; /* overflow */ math_force_eval (u); + __set_errno (ERANGE); } if(hy<0x00100000) { double u = x*x; /* underflow */ math_force_eval (u); /* raise underflow flag */ + __set_errno (ERANGE); } INSERT_WORDS(x,hx,lx); return x; |