sci2c arduino updated

1 files changed, 35 insertions, 0 deletions

diff --git a/src/c/matrixOperations/tril/i16trila.c b/src/c/matrixOperations/tril/i16trila.c
new file mode 100644
index 0000000..98174d9
--- /dev/null
+++ b/src/c/matrixOperations/tril/i16trila.c
@@ -0,0 +1,35 @@
+/* Copyright (C) 2016 - IIT Bombay - FOSSEE
+
+ 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
+ Author: Siddhesh Wani
+ Organization: FOSSEE, IIT Bombay
+ Email: toolbox@scilab.in
+*/
+ 
+/*Function to extract lower triagular entries from given matrix*/
+
+#include "tril.h"
+
+void i16trila (int16 *in, int row, int column, double diag, int16 *out)
+{
+	int row_counter, col_counter = 0;
+
+	for(row_counter=0; row_counter < row; row_counter++)
+	{
+		for(col_counter=0; col_counter < column; col_counter++)
+		{
+			if((double)(row_counter + diag) >= (double)col_counter)
+			{
+				out[col_counter*row+row_counter] = in[col_counter*row+row_counter];
+			}
+			else
+			{
+				out[col_counter*row+row_counter] = 0;	
+			}
+		}
+	}
+}
\ No newline at end of file