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-rw-r--r--src/complex/csin.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/complex/csin.c b/src/complex/csin.c
index 31aab568..556b6b62 100644
--- a/src/complex/csin.c
+++ b/src/complex/csin.c
@@ -7,6 +7,7 @@
TYPE complex TGFN(csin)(TYPE complex z)
{
+ SIGNAL_SAFE(0);
return TGCMPLX(0.0, -TGFN(csinh)(I * z));
}