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authoryash11122017-07-07 21:20:49 +0530
committeryash11122017-07-07 21:20:49 +0530
commit3f52712f806fbd80d66dfdcaff401e5cf94dcca4 (patch)
treea8333b8187cb44b505b9fe37fc9a7ac8a1711c10 /src/c/statisticsFunctions/sum/srowsuma.c
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-rw-r--r--src/c/statisticsFunctions/sum/srowsuma.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/c/statisticsFunctions/sum/srowsuma.c b/src/c/statisticsFunctions/sum/srowsuma.c
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+/*
+ * 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 srowsuma(float *in, int lines, int columns, float * 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] = in[i * lines];
+ }
+ /*
+ ** Then accumulate in each column.
+ */
+ for (i = 1 ; i <= (lines - 1) * columns ; ++i)
+ {
+ out[(i - 1) % columns] += in[((i - 1) % columns) * lines + 1 + (i - 1) / columns];
+ }
+}
+