1 files changed, 17 insertions, 0 deletions
diff --git a/src/elementaryFunctions/tan/dtans.c b/src/elementaryFunctions/tan/dtans.c
new file mode 100644
index 00000000..c4ce0346
--- /dev/null
+++ b/src/elementaryFunctions/tan/dtans.c
@@ -0,0 +1,17 @@
+/*
+**  -*- C -*-
+**
+** dtans.c
+** Made by  Bruno JOFRET <bruno.jofret@inria.fr>
+**
+** Started on  Thu Dec  7 12:02:41 2006 jofret
+** Last update Mon Jan 29 16:12:01 2007 jofret
+**
+** Copyright INRIA 2006
+*/
+
+#include <math.h>
+
+double	       dtans(double x) {
+  return (tan(x));
+}