1 files changed, 45 insertions, 0 deletions
diff --git a/src/elementaryFunctions/atan/testDoubleAtan.c b/src/elementaryFunctions/atan/testDoubleAtan.c
new file mode 100644
index 00000000..a22bbed5
--- /dev/null
+++ b/src/elementaryFunctions/atan/testDoubleAtan.c
@@ -0,0 +1,45 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - INRIA - Bruno JOFRET
+ *
+ *  This file must be used under the terms of the CeCILL.
+ *  This source file is licensed as described in the file COPYING, which
+ *  you should have received as part of this distribution.  The terms
+ *  are also available at
+ *  http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
+ *
+ */
+
+#include "testAtan.h"
+
+void datansTest() {
+  printf(">> Double scalar\n");
+  printf("datans(0) = %e\n", datans(0.0));
+  printf("datans(PI) = %e\n", datans(DPI));
+  printf("datans(PI/2) = %e\n", datans(DPI/2));
+  printf("datans(PI/3) = %e\n", datans(DPI/3));
+  printf("datans(PI/4) = %e\n", datans(DPI/4));
+  printf("datans(PI/6) = %e\n", datans(DPI/6));
+  printf("datans(-PI) = %e\n", datans(-DPI));
+  printf("datans(-PI/2) = %e\n", datans(-DPI/2));
+  printf("datans(-PI/3) = %e\n", datans(-DPI/3));
+  printf("datans(-PI/4) = %e\n", datans(-DPI/4));
+  printf("datans(-PI/6) = %e\n", datans(-DPI/6));
+}
+
+int testAtan() {
+  printf("\n>>>> Double Arc Tangeant Tests\n");
+  datansTest();
+  /* FIXME : Implement some test here ... */
+  /*
+    zatansTest();
+    datanaTest();
+    zatanaTest();
+  */
+  return 0;
+}
+
+int main() {
+  assert(testAtan() == 0);
+  return 0;
+}