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Diffstat (limited to 'src/c/matrixOperations/cumsum/srowcumsuma.c')
| -rw-r--r-- | src/c/matrixOperations/cumsum/srowcumsuma.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/c/matrixOperations/cumsum/srowcumsuma.c b/src/c/matrixOperations/cumsum/srowcumsuma.c new file mode 100644 index 0000000..1ce17da --- /dev/null +++ b/src/c/matrixOperations/cumsum/srowcumsuma.c @@ -0,0 +1,37 @@ +// 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 returns cumulative sum of members of array/matrix + +#include "cumsum.h" +#include "types.h" + +void srowcumsuma(float *in1, int row, int column, float *out) +{ + int row_cnt, col_cnt = 0; + + //assign elements in first row as it is + for (col_cnt = 0; col_cnt < column; col_cnt++) + { + out[col_cnt*row] = in1[col_cnt*row]; + } + //For second row onwards + for (col_cnt = 0; col_cnt < column; col_cnt++) + { + for ( row_cnt = 1; row_cnt < row; row_cnt++) + { + + out[col_cnt*row+row_cnt] = in1[col_cnt*row+row_cnt] \ + + out[col_cnt*row+row_cnt -1]; + } + } + +}
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