1 files changed, 6 insertions, 11 deletions
diff --git a/contrib/libf2c/libF77/c_cos.c b/contrib/libf2c/libF77/c_cos.c
index 549953d..5965975 100644
--- a/contrib/libf2c/libF77/c_cos.c
+++ b/contrib/libf2c/libF77/c_cos.c
@@ -1,17 +1,12 @@
 #include "f2c.h"
 
-#ifdef KR_headers
-extern double sin(), cos(), sinh(), cosh();
-
-VOID c_cos(r, z) complex *r, *z;
-#else
 #undef abs
 #include "math.h"
 
-void c_cos(complex *r, complex *z)
-#endif
+void
+c_cos (complex * r, complex * z)
 {
-	double zi = z->i, zr = z->r;
-	r->r =   cos(zr) * cosh(zi);
-	r->i = - sin(zr) * sinh(zi);
-	}
+  double zi = z->i, zr = z->r;
+  r->r = cos (zr) * cosh (zi);
+  r->i = -sin (zr) * sinh (zi);
+}