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authoryash11122017-07-07 21:20:49 +0530
committeryash11122017-07-07 21:20:49 +0530
commit9e5793a7b05b23e6044a6d7a9ddd5db39ba375f0 (patch)
treef50d6e06d8fe6bc1a9053ef10d4b4d857800ab51 /2.3-1/src/c/matrixOperations/flipdim/i8flipdima.c
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sci2c arduino updated
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+/* 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 flips the input matrix along given dimension*/
+
+#include "flipdim.h"
+
+void i8flipdima (int8 *in, int row, int col, int dim, int blk_size, int8 *out)
+{
+ int col_count = 0, row_count = 0, blk_count = 0, count = 0;
+ if(dim == 1) /*flip rows*/
+ {
+ if(blk_size == 1)
+ {
+ for(col_count = 0; col_count < col; col_count++)
+ {
+ for(row_count = 0; row_count< row;row_count++)
+ {
+ out[col_count*row+row_count] = in[col_count*row+(row - row_count - 1)];
+ }
+ }
+ }
+ else /*block size is more than 1*/
+ {
+ for(col_count = 0; col_count < col; col_count++)
+ {
+ count = blk_size;
+ blk_count = 0;
+ for(row_count = 0; row_count< row;row_count++)
+ {
+ out[col_count*row+row_count] = in[col_count*row+(row - blk_count*blk_size - count)];
+ if(--count == 0)
+ {
+ blk_count += 1;
+ count = blk_size;
+ }
+ }
+ }
+
+ }
+ }
+ else if(dim == 2) /*flip columns*/
+ {
+ if(blk_size == 1)
+ {
+ for(col_count = 0; col_count < col; col_count++)
+ {
+ for(row_count = 0; row_count< row;row_count++)
+ {
+ out[col_count*row+row_count] = in[(col- col_count - 1)*row+row_count];
+ }
+ }
+ }
+ else
+ {
+ count = blk_size;
+ blk_count = 0;
+ for(col_count = 0; col_count < col; col_count++)
+ {
+ for(row_count = 0; row_count< row;row_count++)
+ {
+ out[col_count*row+row_count] = in[(col - blk_count*blk_size - count)*row+row_count];
+ }
+ if(--count == 0)
+ {
+ count = blk_size;
+ blk_count += 1;
+ }
+ }
+ }
+ }
+} \ No newline at end of file