log1p(x) = log(x + 1)

1 files changed, 18 insertions, 0 deletions

diff --git a/src/elementaryFunctions/log1p/clog1ps.c b/src/elementaryFunctions/log1p/clog1ps.c
new file mode 100644
index 00000000..1cf6c555
--- /dev/null
+++ b/src/elementaryFunctions/log1p/clog1ps.c
@@ -0,0 +1,18 @@
+/*
+ *  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 "log1p.h"
+#include "log.h"
+
+floatComplex	clog1ps(floatComplex in) {
+  return clogs(FloatComplex(creals(in) + 1, cimags(in)));
+}