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-rw-r--r--SD-VBS/benchmarks/localization/src/c/get3DGaussianProb.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/SD-VBS/benchmarks/localization/src/c/get3DGaussianProb.c b/SD-VBS/benchmarks/localization/src/c/get3DGaussianProb.c
new file mode 100644
index 0000000..58c4475
--- /dev/null
+++ b/SD-VBS/benchmarks/localization/src/c/get3DGaussianProb.c
@@ -0,0 +1,49 @@
1/********************************
2Author: Sravanthi Kota Venkata
3********************************/
4
5#include <stdio.h>
6#include <stdlib.h>
7#include "localization.h"
8
9F2D* get3DGaussianProb( F2D* data, F2D* mean, F2D* A)
10{
11 F2D *p, *diff, *temp1, *temp2, *mt;
12 float temp;
13 int n_data, n_channel;
14 int i, j, k;
15 F2D* t;
16 float pi = 3.1412;
17
18 n_data = data->height;
19 n_channel = data->width;
20
21 t = fSetArray(n_data, 1, 1);
22
23 mt = fMtimes(t, mean);
24 diff = fMinus( data, mt);
25 p = fSetArray(diff->height, 1, 0);
26
27 temp = sqrt(1.0/(pow(2*pi, n_channel)));
28 temp2 = randWrapper(diff->height,1);
29
30 j = (temp2->height*temp2->width);
31 for(i=0; i<j; i++)
32 {
33 float temp2i;
34 temp2i = asubsref(temp2,i);
35
36 temp2i = exp(-0.5*temp2i);
37 asubsref(p,i) = temp2i*temp;
38 }
39
40 fFreeHandle(t);
41 fFreeHandle(temp2);
42 fFreeHandle(mt);
43 fFreeHandle(diff);
44
45 return p;
46}
47
48
49