From d17b33131c14864bd1eae275f49a3f148e21cf29 Mon Sep 17 00:00:00 2001
From: Leo Chan <leochanj@live.unc.edu>
Date: Thu, 22 Oct 2020 01:53:21 -0400
Subject: Squashed commit of the sb-vbs branch.

Includes the SD-VBS benchmarks modified to:
- Use libextra to loop as realtime jobs
- Preallocate memory before starting their main computation
- Accept input via stdin instead of via argc

Does not include the SD-VBS matlab code.

Fixes libextra execution in LITMUS^RT.
---
 .../benchmarks/disparity/src/c/integralImage2D2D.c | 31 ++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 SD-VBS/benchmarks/disparity/src/c/integralImage2D2D.c

(limited to 'SD-VBS/benchmarks/disparity/src/c/integralImage2D2D.c')

diff --git a/SD-VBS/benchmarks/disparity/src/c/integralImage2D2D.c b/SD-VBS/benchmarks/disparity/src/c/integralImage2D2D.c
new file mode 100644
index 0000000..cc964d1
--- /dev/null
+++ b/SD-VBS/benchmarks/disparity/src/c/integralImage2D2D.c
@@ -0,0 +1,31 @@
+/********************************
+Author: Sravanthi Kota Venkata
+********************************/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "disparity.h"
+
+void integralImage2D2D(F2D* SAD, F2D* integralImg)
+{
+    int nr, nc, i, j;
+    
+    nr = SAD->height;
+    nc = SAD->width;
+    
+    for(i=0; i<nc; i++)
+        subsref(integralImg,0,i) = subsref(SAD,0,i);
+    
+    for(i=1; i<nr; i++)
+        for(j=0; j<nc; j++)
+        {
+            subsref(integralImg,i,j) = subsref(integralImg, (i-1), j) + subsref(SAD,i,j);
+        }
+
+    for(i=0; i<nr; i++)
+        for(j=1; j<nc; j++)
+            subsref(integralImg,i,j) = subsref(integralImg, i, (j-1)) + subsref(integralImg,i,j);
+
+    return;
+    
+}
-- 
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