diff options
Diffstat (limited to 'sysdeps/ieee754/ldbl-96/s_cosl.c')
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/s_cosl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sysdeps/ieee754/ldbl-96/s_cosl.c b/sysdeps/ieee754/ldbl-96/s_cosl.c index 9765f7fd4e..e33abc9afd 100644 --- a/sysdeps/ieee754/ldbl-96/s_cosl.c +++ b/sysdeps/ieee754/ldbl-96/s_cosl.c @@ -49,6 +49,7 @@ static char rcsid[] = "$NetBSD: $"; * TRIG(x) returns trig(x) nearly rounded */ +#include <errno.h> #include "math.h" #include "math_private.h" @@ -71,7 +72,11 @@ static char rcsid[] = "$NetBSD: $"; return __kernel_cosl(x,z); /* cos(Inf or NaN) is NaN */ - else if (se==0x7fff) return x-x; + else if (se==0x7fff) { + if ((i0 | i1) == 0) + __set_errno (EDOM); + return x-x; + } /* argument reduction needed */ else { |