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authorsiddhu89902016-08-18 15:49:25 +0530
committersiddhu89902016-08-18 15:49:25 +0530
commit0b014f0b667df241a3b0fa575f11577d453d08f8 (patch)
tree85ae0fa5fa2139ab5c04ffcc68a8d70ca5fe6bd3 /2.3-1/src/c/differential_calculus/diff
parent1552675d4ac3be8d265bcf089fbc1ac5be1547f9 (diff)
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RPi-PWM and basic imaage processing
Diffstat (limited to '2.3-1/src/c/differential_calculus/diff')
-rw-r--r--2.3-1/src/c/differential_calculus/diff/u16dissca.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/2.3-1/src/c/differential_calculus/diff/u16dissca.c b/2.3-1/src/c/differential_calculus/diff/u16dissca.c
deleted file mode 100644
index d83a9e6e..00000000
--- a/2.3-1/src/c/differential_calculus/diff/u16dissca.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/* 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
-*/
-
- /* This function calculates difference between adjacent members of given
- input array/matrix */
-
-#include "diffc.h"
-
-
-void u16diffca(uint16 *in, int row, int col, int depth, int dim, uint16 *out)
-{
- int counter, depth_count;
- int row_count, col_count;
- uint16 *buffer; /*To store intermediate results*/
-
- depth_count = 1;
-
- if(dim == 0)
- { /*For dim = 0, we calculate difference between adjacent elements
- in case of arrays. In case of matrices, we calculate difference along
- first column, and then continue to second (diff between first element
- of second column and last element of first column, then third etc.*/
- if(depth == 1)
- {/*for depth=1, a buffer is not needed. Directly write result in
- out buffer*/
- for(counter = 0; counter < row*col - depth_count; counter++)
- {
- out[counter] = in[counter+1] - in[counter];
- }
- }
- else
- { /*define buffer for storing intermediate results*/
-
- buffer = (uint16 *) malloc (sizeof(uint16)*(row*col-1));
-
- while(depth_count <= depth)
- {
- if(depth_count == 1)
- {
- /*calculate diff and store in buffer*/
- for(counter = 0; counter < row*col - depth_count; counter++)
- {
- buffer[counter] = in[counter+1] - in[counter];
- }
- }
- else if(depth_count < depth)
- {
- for(counter = 0; counter <= row*col - depth_count ; counter++)
- {
- buffer[counter] = buffer[counter+1] - buffer[counter];
- }
- }
- /*For last step use output buffer to store result*/
- else
- {
- for(counter = 0; counter < row*col - depth_count; counter++)
- {
- out[counter] = buffer[counter+1] - buffer[counter];
- }
- }
- depth_count += 1;
- }
- }
-
- }
- else if(dim == 1)
- {
- /*For dim = 1, difference is calculated along rows. Each element of
- first row is subtracted from corresponding element of second row and
- result is stored in first row. Same thing is repeated till last row. */
-
- if (depth == 1)
- {
- /*If depth is 1, store result directly in out buffer*/
- for(col_count = 0; col_count < col; col_count++)
- {
- for(row_count = 0; row_count < row - 1; row_count++)
- {
- out[col_count*(row-1)+row_count] = in[col_count*row + row_count+1] \
- - in[col_count*row + row_count];
- }
- }
- }
- else
- {
- /*If depth is not 1, declare a buffer to store intermediate
- results. At last step store result into out buffer*/
- buffer = (uint16 *) malloc (sizeof(uint16)*((row-1)*col));
-
- while(depth_count <= depth)
- {
- if(depth_count == 1)
- {
- /*For first step, use in buffer and store results in buffer*/
- for(col_count = 0; col_count < col; col_count++)
- {
- for(row_count = 0; row_count < row - 1; row_count++)
- {
- buffer[col_count*row+row_count] = in[col_count*row + row_count + 1] \
- - in[col_count*row + row_count];
- }
-
- }
- }
- else if(depth_count < depth)
- {
- for(col_count = 0; col_count < col; col_count++)
- {
- for(row_count = 0; row_count < row - depth_count; row_count++)
- {
- buffer[col_count*row+row_count] = buffer[col_count*row + row_count + 1] \
- - buffer[col_count*row + row_count];
- }
-
- }
- }
- else
- {
- for(col_count = 0; col_count < col; col_count++)
- {
- for(row_count = 0; row_count < row - depth_count; row_count++)
- {
- out[col_count*(row-depth_count)+row_count] = buffer[col_count*row + row_count+1] \
- - buffer[col_count*row + row_count];
- }
- }
- }
- depth_count +=1;
- }
- }
- }
- else if(dim == 2)
- {
- /*For dim = 2, difference is calculated along columns. Each element of
- first column is subtracted from corresponding element of second column
- and result is stored in first column. Same thing is repeated till last
- column. */
- if(depth == 1)
- {
- for(row_count = 0; row_count < row; row_count++)
- {
- for(col_count = 0; col_count < col - 1; col_count++)
- {
- out[col_count*row+row_count] = in[(col_count+1)*row + row_count] \
- - in[col_count*row + row_count];
- }
- }
- }
- else
- {
- /*If depth is not 1, declare a buffer to store intermediate
- results. At last step store result into out buffer*/
- buffer = (uint16 *) malloc (sizeof(uint16)*(row*(col-1)));
-
- while(depth_count <= depth)
- {
- if(depth_count == 1)
- {
- for(row_count = 0; row_count < row; row_count++)
- {
- for(col_count = 0; col_count < col - 1; col_count++)
- {
- buffer[col_count*row+row_count] = in[(col_count+1)*row + row_count] \
- - in[col_count*row + row_count];
- }
- }
- }
- else if(depth_count < depth)
- {
- for(row_count = 0; row_count < row; row_count++)
- {
- for(col_count = 0; col_count < col - depth_count; col_count++)
- {
- buffer[col_count*row+row_count] = buffer[(col_count+1)*row + row_count] \
- - buffer[col_count*row + row_count];
- }
- }
- }
- else
- {
- for(row_count = 0; row_count < row; row_count++)
- {
- for(col_count = 0; col_count < col - depth_count; col_count++)
- {
- out[col_count*row+row_count] = buffer[(col_count+1)*row + row_count] \
- - buffer[col_count*row + row_count];
- }
- }
- }
- depth_count += 1;
- }
- }
- }
-}