diff options
Diffstat (limited to '2.3-1/src/c/statisticsFunctions/sum/u8columnsuma.c')
-rw-r--r-- | 2.3-1/src/c/statisticsFunctions/sum/u8columnsuma.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/2.3-1/src/c/statisticsFunctions/sum/u8columnsuma.c b/2.3-1/src/c/statisticsFunctions/sum/u8columnsuma.c new file mode 100644 index 00000000..f3e30411 --- /dev/null +++ b/2.3-1/src/c/statisticsFunctions/sum/u8columnsuma.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 +*/ + + +#include "sum.h" + +void u8columnsuma(uint8 *in, int lines, int columns, uint8 * out) { + int i = 0; + + /* + ** First assign first row, just in case + ** out contains non-zero's elements. + */ + for (i = 0 ; i < lines; ++i) + { + out[i] = (uint8)in[i]; + } + /* + ** Then accumulate in each row. + */ + for (i = lines ; i < lines * columns ; ++i) + { + out[i % lines] = (uint8)u8adds(out[i % lines] , in[i]); + } +} |