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.
---
 SD-VBS/common/c/fSelfCheck.c | 59 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 SD-VBS/common/c/fSelfCheck.c

(limited to 'SD-VBS/common/c/fSelfCheck.c')

diff --git a/SD-VBS/common/c/fSelfCheck.c b/SD-VBS/common/c/fSelfCheck.c
new file mode 100644
index 0000000..fe146b5
--- /dev/null
+++ b/SD-VBS/common/c/fSelfCheck.c
@@ -0,0 +1,59 @@
+/********************************
+Author: Sravanthi Kota Venkata
+********************************/
+
+#include "sdvbs_common.h"
+
+int fSelfCheck(F2D* in1, char* path, float tol)
+{
+    int r1, c1, ret=1;
+    float *buffer;
+    FILE* fd;
+    int count=0, i, j;
+    char file[256];
+    
+    r1 = in1->height;
+    c1 = in1->width;
+
+    buffer = (float*)malloc(sizeof(float)*r1*c1);
+
+    sprintf(file, "%s", path);
+    fd = fopen(file, "r");
+    
+    if(fd == NULL)
+    {
+        printf("Error: Expected file not opened %s\n", file);
+        return -1;
+    }
+   
+    while(!feof(fd))
+    {
+        fscanf(fd, "%f", &buffer[count]);
+        count++;
+    }
+    count--;
+
+    if(count != (r1*c1))
+    {
+        printf("Checking error: dimensions mismatch. Expected = %d, Observed = %d \n", count, (r1*c1));
+        return -1;
+    }
+    
+    for(i=0; i<r1*c1; i++)
+    {
+        float inVal = asubsref(in1,i);
+
+        if( (inVal-buffer[i])>tol || (buffer[i]-inVal)>tol )
+        {
+            printf("Mismatch %d: (%f, %f)\n", i, buffer[i], inVal);
+            return -1;
+        }
+    }
+
+    fclose(fd);
+    printf("Verification\t\t- Successful\n");
+    free(buffer);
+    return ret;
+}
+
+
-- 
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