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-rw-r--r--src/math/tanh.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/math/tanh.c b/src/math/tanh.c
index 7a00c59c..7d4bd3e3 100644
--- a/src/math/tanh.c
+++ b/src/math/tanh.c
@@ -9,6 +9,7 @@
TYPE TGFN(tanh)(TYPE x)
{
+ SIGNAL_SAFE(0);
switch (fpclassify(x)) {
case FP_ZERO: return x;
case FP_INFINITE: return signbit(x) ? -1.0 : 1.0;