1 files changed, 3 insertions, 7 deletions
diff --git a/contrib/libf2c/libF77/d_tan.c b/contrib/libf2c/libF77/d_tan.c
index af94a05..370c1b8 100644
--- a/contrib/libf2c/libF77/d_tan.c
+++ b/contrib/libf2c/libF77/d_tan.c
@@ -1,13 +1,9 @@
 #include "f2c.h"
 
-#ifdef KR_headers
-double tan();
-double d_tan(x) doublereal *x;
-#else
 #undef abs
 #include <math.h>
-double d_tan(doublereal *x)
-#endif
+double
+d_tan (doublereal * x)
 {
-return( tan(*x) );
+  return (tan (*x));
 }