1 files changed, 66 insertions, 0 deletions
diff --git a/HST-S/baselines/gpu/support/verify.h b/HST-S/baselines/gpu/support/verify.h
new file mode 100644
index 0000000..9cb9e53
--- /dev/null
+++ b/HST-S/baselines/gpu/support/verify.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright (c) 2016 University of Cordoba and University of Illinois
+ * All rights reserved.
+ *
+ * Developed by:    IMPACT Research Group
+ *                  University of Cordoba and University of Illinois
+ *                  http://impact.crhc.illinois.edu/
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * with the Software without restriction, including without limitation the 
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ *      > Redistributions of source code must retain the above copyright notice,
+ *        this list of conditions and the following disclaimers.
+ *      > Redistributions in binary form must reproduce the above copyright
+ *        notice, this list of conditions and the following disclaimers in the
+ *        documentation and/or other materials provided with the distribution.
+ *      > Neither the names of IMPACT Research Group, University of Cordoba, 
+ *        University of Illinois nor the names of its contributors may be used 
+ *        to endorse or promote products derived from this Software without 
+ *        specific prior written permission.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
+ * CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH
+ * THE SOFTWARE.
+ *
+ */
+
+#include "common.h"
+#include <math.h>
+#include <string.h>
+
+inline int compare_output(unsigned int *outp, unsigned int *outpCPU, int bins) {
+    for(int i = 0; i < bins; i++) {
+        if(outp[i] != outpCPU[i]) {
+            printf("Test failed\n");
+            exit(EXIT_FAILURE);
+        }
+    }
+    return 0;
+}
+
+// Sequential implementation for comparison purposes
+inline void HistogramCPU(unsigned int *histo, unsigned int *data, int size, int bins) {
+    for(int i = 0; i < size; i++) {
+        // Read pixel
+        unsigned int d = ((data[i] * bins) >> 12);
+        // Vote in histogram
+        histo[d]++;
+    }
+}
+
+inline void verify(unsigned int *histo, unsigned int *input, int size, int bins) {
+    unsigned int *gold = (unsigned int *)malloc(bins * sizeof(unsigned int));
+    memset(gold, 0, bins * sizeof(unsigned int));
+    HistogramCPU(gold, input, size, bins);
+    compare_output(histo, gold, bins);
+    free(gold);
+}