* Previous contents of gcc/f/runtime moved into toplevel

[pf3gnuchains/gcc-fork.git] / libf2c / libF77 / r_sign.c

diff --git a/libf2c/libF77/r_sign.c b/libf2c/libF77/r_sign.c
new file mode 100644 (file)
index 0000000..df6d02a
--- /dev/null
+++ b/libf2c/libF77/r_sign.c
@@ -0,0 +1,12 @@
+#include "f2c.h"
+
+#ifdef KR_headers
+double r_sign(a,b) real *a, *b;
+#else
+double r_sign(real *a, real *b)
+#endif
+{
+double x;
+x = (*a >= 0 ? *a : - *a);
+return( *b >= 0 ? x : -x);
+}