From db464f35f5a10b58d9ed1085e0b462689adee583 Mon Sep 17 00:00:00 2001
From: Siddhesh Wani
Date: Mon, 25 May 2015 14:46:31 +0530
Subject: Original Version

---
 src/c/statisticsFunctions/prod/zcolumnproda.c | 36 +++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 src/c/statisticsFunctions/prod/zcolumnproda.c

(limited to 'src/c/statisticsFunctions/prod/zcolumnproda.c')

diff --git a/src/c/statisticsFunctions/prod/zcolumnproda.c b/src/c/statisticsFunctions/prod/zcolumnproda.c
new file mode 100644
index 00000000..277afd5a
--- /dev/null
+++ b/src/c/statisticsFunctions/prod/zcolumnproda.c
@@ -0,0 +1,36 @@
+/*
+ *  Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+ *  Copyright (C) 2008-2008 - 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
+ *
+ */
+
+/* This is a copy/paste with adaptation from sum */
+
+#include "prod.h"
+#include "multiplication.h"
+
+void zcolumnproda(doubleComplex *in, int lines, int columns, doubleComplex * out) {
+  int i = 0;
+
+  /*
+  ** First assign first row, just in case
+  ** out contains non-zero's elements.
+  */
+  for (i = 0 ; i < lines; ++i)
+    {
+      out[i] = in[i];
+    }
+  /*
+  ** Then accumulate in each row.
+  */
+  for (i = lines ; i < lines * columns ; ++i)
+    {
+      out[i % lines] = zmuls(out[i % lines] , in[i]);
+    }
+}
-- 
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