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/* 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;
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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