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-rw-r--r--src/math/nan.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/math/nan.c b/src/math/nan.c
index d56c268f..5577a693 100644
--- a/src/math/nan.c
+++ b/src/math/nan.c
@@ -11,6 +11,7 @@
TYPE TGFN(nan)(const char *tagp)
{
+ SIGNAL_SAFE(0);
if (tagp) {
char ncharseq[strlen(tagp) + 6];
strcpy(ncharseq, "NAN(");