From b8c97a6580ea62ca9480504e66be2b2f5b1dc2ef Mon Sep 17 00:00:00 2001
From: imushir
Date: Mon, 28 Dec 2015 15:25:30 +0530
Subject: added support for uint8 uint16 int8 & int16 for sum
---
src/c/statisticsFunctions/sum/u8rowsuma.c | 34 +++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 src/c/statisticsFunctions/sum/u8rowsuma.c
(limited to 'src/c/statisticsFunctions/sum/u8rowsuma.c')
diff --git a/src/c/statisticsFunctions/sum/u8rowsuma.c b/src/c/statisticsFunctions/sum/u8rowsuma.c
new file mode 100644
index 00000000..938af400
--- /dev/null
+++ b/src/c/statisticsFunctions/sum/u8rowsuma.c
@@ -0,0 +1,34 @@
+/*
+ * 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 "sum.h"
+
+void u8rowsuma(uint8 *in, int lines, int columns, uint8 * out) {
+ int i = 0;
+
+ /*
+ ** First assign first row, just in case
+ ** out contains non-zero's elements.
+ */
+ for (i = 0 ; i < columns; ++i)
+ {
+ out[i] = (uint8)in[i * lines];
+ }
+ /*
+ ** Then accumulate in each column.
+ */
+ for (i = 1 ; i <= (lines - 1) * columns ; ++i)
+ {
+ out[(i - 1) % columns] = (uint8)u8adds( out[(i - 1) % columns] ,
+ in[((i - 1) % columns) * lines + 1 + (i - 1) / columns]);
+ }
+}
--
cgit