1 files changed, 13 insertions, 0 deletions
diff --git a/contrib/libf2c/libF77/r_sqrt.c b/contrib/libf2c/libF77/r_sqrt.c
new file mode 100644
index 000000000000..d0203d3d19bd
--- /dev/null
+++ b/contrib/libf2c/libF77/r_sqrt.c
@@ -0,0 +1,13 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+double sqrt();
+double r_sqrt(x) real *x;
+#else
+#undef abs
+#include <math.h>
+double r_sqrt(real *x)
+#endif
+{
+return( sqrt(*x) );
+}