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Diffstat (limited to 'src/c/statisticsFunctions/sum/i16columnsuma.c')
-rw-r--r-- | src/c/statisticsFunctions/sum/i16columnsuma.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/c/statisticsFunctions/sum/i16columnsuma.c b/src/c/statisticsFunctions/sum/i16columnsuma.c new file mode 100644 index 0000000..c097be8 --- /dev/null +++ b/src/c/statisticsFunctions/sum/i16columnsuma.c @@ -0,0 +1,33 @@ +/* + * Scilab ( http://www.scilab.org/ ) - This file is part of Scilab + * Copyright (C) 2008-2008 - INRIA - Bruno JOFRET + * + * 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 + * + */ + +#include "sum.h" + +void i16columnsuma(int16 *in, int lines, int columns, int16 * 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] = (int16)in[i]; + } + /* + ** Then accumulate in each row. + */ + for (i = lines ; i < lines * columns ; ++i) + { + out[i % lines] = (int16)i16adds(out[i % lines] , in[i]); + } +} |