1 files changed, 12 insertions, 0 deletions
diff --git a/contrib/libf2c/libF77/c_sin.c b/contrib/libf2c/libF77/c_sin.c
new file mode 100644
index 0000000..44bce9f
--- /dev/null
+++ b/contrib/libf2c/libF77/c_sin.c
@@ -0,0 +1,12 @@
+#include "f2c.h"
+
+#undef abs
+#include "math.h"
+
+void
+c_sin (complex * r, complex * z)
+{
+  double zi = z->i, zr = z->r;
+  r->r = sin (zr) * cosh (zi);
+  r->i = cos (zr) * sinh (zi);
+}