1 files changed, 13 insertions, 0 deletions
diff --git a/src/math/copysign.c b/src/math/copysign.c
new file mode 100644
index 00000000..d070036b
--- /dev/null
+++ b/src/math/copysign.c
@@ -0,0 +1,13 @@
+# define TGSOURCE "copysign.c"
+#include "nonstd/tgmath.h"
+#include <math.h>
+
+TYPE TGFN(copysign)(TYPE x, TYPE y)
+{
+	return 0.0;
+}
+
+/*
+STDC(199901)
+LINK(m)
+*/