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Diffstat (limited to 'src/c/matrixOperations/triu/i16triua.c')
| -rw-r--r-- | src/c/matrixOperations/triu/i16triua.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/c/matrixOperations/triu/i16triua.c b/src/c/matrixOperations/triu/i16triua.c new file mode 100644 index 0000000..c4b397f --- /dev/null +++ b/src/c/matrixOperations/triu/i16triua.c @@ -0,0 +1,34 @@ +// 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 "triu.h" + +void i16triua (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; + } + } + } +}
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