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diff --git a/src/c/elementaryFunctions/acosh/sacoshs.c b/src/c/elementaryFunctions/acosh/sacoshs.c
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+++ b/src/c/elementaryFunctions/acosh/sacoshs.c
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+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2007-2008 - 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 <math.h>
+#include "acosh.h"
+
+#ifdef _MSC_VER
+float acoshf (float x)
+{
+	return (float) log(x + sqrt(x * x - 1));
+}
+#endif
+
+float		sacoshs(float x) {
+  return (acoshf(x));
+}