1 files changed, 13 insertions, 0 deletions
diff --git a/contrib/libf2c/libF77/r_atn2.c b/contrib/libf2c/libF77/r_atn2.c
new file mode 100644
index 000000000000..9347e1f13a9a
--- /dev/null
+++ b/contrib/libf2c/libF77/r_atn2.c
@@ -0,0 +1,13 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+double atan2();
+double r_atn2(x,y) real *x, *y;
+#else
+#undef abs
+#include <math.h>
+double r_atn2(real *x, real *y)
+#endif
+{
+return( atan2(*x,*y) );
+}