1 files changed, 13 insertions, 0 deletions
diff --git a/lib/libF77/r_int.c b/lib/libF77/r_int.c
new file mode 100644
index 0000000..11264bf
--- /dev/null
+++ b/lib/libF77/r_int.c
@@ -0,0 +1,13 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+double floor();
+double r_int(x) real *x;
+#else
+#undef abs
+#include "math.h"
+double r_int(real *x)
+#endif
+{
+return( (*x>0) ? floor(*x) : -floor(- *x) );
+}