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-rw-r--r--src/math/__math_invalid.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/math/__math_invalid.c b/src/math/__math_invalid.c
new file mode 100644
index 00000000..17740490
--- /dev/null
+++ b/src/math/__math_invalid.c
@@ -0,0 +1,6 @@
+#include "libm.h"
+
+double __math_invalid(double x)
+{
+ return (x - x) / (x - x);
+}