Support added for kron, flipdim

2 files changed, 76 insertions, 0 deletions

diff --git a/src/c/matrixOperations/kron/dkrona.c b/src/c/matrixOperations/kron/dkrona.c
new file mode 100644
index 0000000..9379f96
--- /dev/null
+++ b/src/c/matrixOperations/kron/dkrona.c
@@ -0,0 +1,38 @@
+// 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 for kroneker product of two matrices
+
+#include "kron.h"
+
+void dkrona (double *in1, int row1, int col1, double *in2, int row2, \
+			int col2, double *out)
+{
+	int row1_count, col1_count,row2_count, col2_count;
+	int row = row1*row2, col = col1*col2;
+	int temp = 0;
+
+	for(col1_count = 0;col1_count < col1; col1_count++)
+	{
+		for(row1_count = 0;row1_count < row1; row1_count++)
+		{
+			for(col2_count = 0;col2_count < col2; col2_count++)
+			{
+				for(row2_count = 0;row2_count < row2; row2_count++)
+				{
+					temp = (col1_count*col2+col2_count)*row+(row1_count*row2+row2_count);
+					out[temp] = in1[col1_count*row1+row1_count]*in2[col2_count*row2+row2_count];
+				}
+			}			
+		}
+	}
+
+}
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diff --git a/src/c/matrixOperations/kron/skrona.c b/src/c/matrixOperations/kron/skrona.c
new file mode 100644
index 0000000..368d04b
--- /dev/null
+++ b/src/c/matrixOperations/kron/skrona.c
@@ -0,0 +1,38 @@
+// 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 for kroneker product of two matrices
+
+#include "kron.h"
+
+void skrona (float *in1, int row1, int col1, float *in2, int row2, \
+			int col2, float *out)
+{
+	int row1_count, col1_count,row2_count, col2_count;
+	int row = row1*row2, col = col1*col2;
+	int temp = 0;
+
+	for(col1_count = 0;col1_count < col1; col1_count++)
+	{
+		for(row1_count = 0;row1_count < row1; row1_count++)
+		{
+			for(col2_count = 0;col2_count < col2; col2_count++)
+			{
+				for(row2_count = 0;row2_count < row2; row2_count++)
+				{
+					temp = (col1_count*col2+col2_count)*row+(row1_count*row2+row2_count);
+					out[temp] = in1[col1_count*row1+row1_count]*in2[col2_count*row2+row2_count];
+				}
+			}			
+		}
+	}
+
+}
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