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-rw-r--r--math/w_jnf.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/math/w_jnf.c b/math/w_jnf.c
index c9114e7..cb1aab8 100644
--- a/math/w_jnf.c
+++ b/math/w_jnf.c
@@ -49,8 +49,11 @@ ynf (int n, float x)
return __kernel_standard_f (n, x, 113);
}
else if (x == 0.0)
- /* d = -one/(x-x) */
- return __kernel_standard_f (n, x, 112);
+ {
+ /* d = -one/(x-x) */
+ feraiseexcept (FE_DIVBYZERO);
+ return __kernel_standard_f (n, x, 112);
+ }
else if (_LIB_VERSION != _POSIX_)
/* yn(n,x>X_TLOSS) */
return __kernel_standard_f (n, x, 139);