LinearAlgebra and MatrixOperation Update

1 files changed, 0 insertions, 83 deletions

diff --git a/2.3-1/src/c/signalProcessing/transforms/idct/didcta.c b/2.3-1/src/c/signalProcessing/transforms/idct/didcta.c
deleted file mode 100644
index 5f475160..00000000
--- a/2.3-1/src/c/signalProcessing/transforms/idct/didcta.c
+++ /dev/null
@@ -1,83 +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: Ukasha Noor
- Organization: FOSSEE, IIT Bombay
- Email: toolbox@scilab.in
-*/
-
-
-#include "idct.h"
-/*#include <fftw3.h>*/
-#include <math.h>
-
-void didcta(double *in,int row,int col,double *out)
-{
-	int i,j,k,u,v;
-	int n=col;
-	int x,y;
-	double res,ress;
-	double re,z,q,m;
-	if(row==1)
-	{
-		res=1./sqrt(n);
-		ress=sqrt(2./n);
-		for(u=0;u<row;u++)
-		{
-			for(v=0;v<col;v++)
-			{
-				x=v*row+u;
-				out[x]=0;
-				for(i=0;i<row;i++)
-				{
-					for(j=0;j<col;j++)
-					{
-						y=row*j+i;		
-						if(y==0)
-						out[x]+=res*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
-						else
-						out[x]+=ress*in[y]*(cos(((M_PI)*(j)*(v+1./2.))/n));
-					}
-				}
-			}
-				
-		}
-	}
-	else
-	{
-		for(u=0;u<row;u++)
-		{
-			for(v=0;v<col;v++)
-			{
-				x=v*row+u;
-				out[x]=0;
-				for(i=0;i<row;i++)
-				{
-					re=0;
-					for(j=0;j<col;j++)
-					{
-						y=row*j+i;
-						m=(double)in[j*row+i];
-						z=(double)(((double)v+1.0/2.0)*(double)j);
-						q=(double)(M_PI/(double)col);	
-						m=m*(cos(q*z));
-						if(j==0)
-						re+=m/sqrt((double)col);
-						else
-						re+=m*sqrt(2./col);
-					}
-					z=(double)(((double)u+1.0/2.0)*(double)i);
-					q=(double)(M_PI/(double)row);	
-					if(i==0)
-					out[x]+=(re*(cos(z*q)))/sqrt((double)row);
-					else
-					out[x]+=(re*(cos(z*q))*sqrt(2./row));
-				}
-			}
-		}
-	}					
-}