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Diffstat (limited to '2.3-1/src/c/matrixOperations/cumsum/drowcumsuma.c')
| -rw-r--r-- | 2.3-1/src/c/matrixOperations/cumsum/drowcumsuma.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/2.3-1/src/c/matrixOperations/cumsum/drowcumsuma.c b/2.3-1/src/c/matrixOperations/cumsum/drowcumsuma.c new file mode 100644 index 00000000..4bb3f320 --- /dev/null +++ b/2.3-1/src/c/matrixOperations/cumsum/drowcumsuma.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 returns cumulative sum of members of array/matrix*/ + +#include "cumsum.h" +#include "types.h" + +void drowcumsuma(double *in1, int row, int column, double *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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