summaryrefslogtreecommitdiff
path: root/2.3-1/src/c/elementaryFunctions/atanh/catanhs.c
diff options
context:
space:
mode:
Diffstat (limited to '2.3-1/src/c/elementaryFunctions/atanh/catanhs.c')
-rw-r--r--2.3-1/src/c/elementaryFunctions/atanh/catanhs.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/2.3-1/src/c/elementaryFunctions/atanh/catanhs.c b/2.3-1/src/c/elementaryFunctions/atanh/catanhs.c
new file mode 100644
index 00000000..8c975154
--- /dev/null
+++ b/2.3-1/src/c/elementaryFunctions/atanh/catanhs.c
@@ -0,0 +1,20 @@
+/*
+ * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ * Copyright (C) 2006-2008 - 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 "atanh.h"
+#include "atan.h"
+
+floatComplex catanhs(floatComplex z) {
+ floatComplex minus_i_z = FloatComplex(cimags(z), -creals(z));
+ floatComplex atan_minus_i_z = catans(minus_i_z);
+ return FloatComplex(-cimags(atan_minus_i_z), creals(atan_minus_i_z));
+}