1 files changed, 11 insertions, 0 deletions
diff --git a/contrib/libf2c/libF77/z_cos.c b/contrib/libf2c/libF77/z_cos.c
new file mode 100644
index 0000000..0f4cd71
--- /dev/null
+++ b/contrib/libf2c/libF77/z_cos.c
@@ -0,0 +1,11 @@
+#include "f2c.h"
+
+#undef abs
+#include "math.h"
+void
+z_cos (doublecomplex * r, doublecomplex * z)
+{
+  double zi = z->i, zr = z->r;
+  r->r = cos (zr) * cosh (zi);
+  r->i = -sin (zr) * sinh (zi);
+}