From a32f220f06cc463e5b56e7fa0b1b1334d94d08f3 Mon Sep 17 00:00:00 2001
From: leochanj105 <leochanj@live.unc.edu>
Date: Tue, 20 Oct 2020 03:47:33 -0400
Subject: matlab removed

---
 SD-VBS/benchmarks/sift/src/matlab/imsmooth.c | 115 ---------------------------
 1 file changed, 115 deletions(-)
 delete mode 100644 SD-VBS/benchmarks/sift/src/matlab/imsmooth.c

(limited to 'SD-VBS/benchmarks/sift/src/matlab/imsmooth.c')

diff --git a/SD-VBS/benchmarks/sift/src/matlab/imsmooth.c b/SD-VBS/benchmarks/sift/src/matlab/imsmooth.c
deleted file mode 100644
index 5d6a660..0000000
--- a/SD-VBS/benchmarks/sift/src/matlab/imsmooth.c
+++ /dev/null
@@ -1,115 +0,0 @@
-/** file:        imsmooth.c
- ** author:      Andrea Vedaldi
- ** description: Smooth an image.
- **/
-
-#include"mex.h"
-#include<stdlib.h>
-#include<string.h>
-#include<math.h>
-#include<assert.h>
-
-#define greater(a,b) ((a) > (b))
-#define min(a,b) (((a)<(b))?(a):(b))
-#define max(a,b) (((a)>(b))?(a):(b))
-
-const double win_factor = 1.5 ;
-const int nbins = 36 ;
-
-void
-mexFunction(int nout, mxArray *out[], 
-            int nin, const mxArray *in[])
-{
-  int M,N ;
-  double* I_pt ;
-  double* J_pt ;
-  double s ;
-  enum {I=0,S} ;
-  enum {J=0} ;
-
-  /* ------------------------------------------------------------------
-  **                                                Check the arguments
-  ** --------------------------------------------------------------- */ 
-  if (nin != 2) {
-    mexErrMsgTxt("Exactly two input arguments required.");
-  } else if (nout > 1) {
-    mexErrMsgTxt("Too many output arguments.");
-  }
-  
-  if (!mxIsDouble(in[I]) || 
-      !mxIsDouble(in[S]) ) {
-    mexErrMsgTxt("All arguments must be real.") ;
-  }
-  
-  if(mxGetNumberOfDimensions(in[I]) > 2||
-     mxGetNumberOfDimensions(in[S]) > 2) {
-    mexErrMsgTxt("I must be a two dimensional array and S a scalar.") ;
-  }
-  
-  if(max(mxGetM(in[S]),mxGetN(in[S])) > 1) {
-    mexErrMsgTxt("S must be a scalar.\n") ;
-  }
-
-  M = mxGetM(in[I]) ;
-  N = mxGetN(in[I]) ;
-
-  out[J] = mxCreateDoubleMatrix(M, N, mxREAL) ;
-  
-  I_pt   = mxGetPr(in[I]) ;
-  J_pt   = mxGetPr(out[J]) ;
-  s      = *mxGetPr(in[S]) ;
-
-  /* ------------------------------------------------------------------
-  **                                                         Do the job
-  ** --------------------------------------------------------------- */ 
-  if(s > 0.01) {
-    
-    int W = (int) ceil(4*s) ;
-    int i ; 
-    int j ;
-    double* g0 = (double*) mxMalloc( (2*W+1)*sizeof(double) ) ;
-    double* buffer = (double*) mxMalloc( M*N*sizeof(double) ) ;
-    double acc=0.0 ;
-    
-    for(j = 0 ; j < 2*W+1 ; ++j) {
-      g0[j] = exp(-0.5 * (j - W)*(j - W)/(s*s)) ;
-      acc += g0[j] ;
-    }
-    for(j = 0 ; j < 2*W+1 ; ++j) {
-      g0[j] /= acc ;
-    }
-    
-    /*
-    ** Convolve along the columns
-    **/
-    for(j = 0 ; j < N ; ++j) {
-      for(i = 0 ; i < M ; ++i) {
-        double* start = I_pt + max(i-W,0) + j*M ;        
-        double* stop = I_pt + min(i+W,M-1) + j*M + 1 ;
-        double* g = g0 + max(0, W-i) ;
-        acc = 0.0 ;
-        while(stop != start) acc += (*g++) * (*start++) ;
-        *buffer++ = acc ;
-      }
-    }
-    buffer -= M*N ;
-    
-    /*
-    ** Convolve along the rows
-    **/
-    for(j = 0 ; j < N ; ++j) {
-      for(i = 0 ; i < M ; ++i) {
-        double* start = buffer + i + max(j-W,0)*M ;
-        double* stop  = buffer + i + min(j+W,N-1)*M + M ;
-        double* g = g0 + max(0, W-j) ;
-        acc = 0.0 ;
-        while(stop != start) { acc += (*g++) * (*start) ; start+=M ;}
-        *J_pt++ = acc ;
-      }
-    }    
-    mxFree(buffer) ;
-    mxFree(g0) ;
-  } else {
-    memcpy(J_pt, I_pt, sizeof(double)*M*N) ;   
-  }
-}
-- 
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