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diff --git a/src/elementaryFunctions/includes/ceil.h b/src/elementaryFunctions/includes/ceil.h
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+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2006-2008 - INRIA - Arnaud Torset
+ *
+ *  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
+ *
+ */
+
+#ifndef __CEIL_H__
+#define __CEIL_H__
+
+#include "floatComplex.h"
+#include "doubleComplex.h"
+
+/*
+	ceil(x) returns an integer matrix made of rounded up elements 
+*/
+
+float	sceils(float in);
+
+double dceils(double in);
+
+floatComplex cceils(floatComplex in);
+
+doubleComplex zceils(doubleComplex in);
+
+void	sceila(float* in, int size, float* out);
+
+void	dceila(double* in, int size, double* out);
+
+void	cceila(floatComplex* in, int size, floatComplex* out);
+
+void	zceila(doubleComplex* in, int size, doubleComplex* out);
+
+#endif /* !__CEIL_H__ */
+