fixed bug in SURF_GPU (reduce_sum25)

6259520a · Vladislav Vinogradov · 8a2c4342 · 6259520a
Commit 6259520a authored May 25, 2011 by Vladislav Vinogradov
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surf.cu modules/gpu/src/cuda/surf.cu +1 -1

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--- a/modules/gpu/src/cuda/surf.cu
+++ b/modules/gpu/src/cuda/surf.cu
@@ -794,7 +794,7 @@ namespace cv { namespace gpu { namespace surf
        }

        // sum (reduce) from 16 to 1 (unrolled - aligned to a half-warp)
-        if (tid < 16)
+        if (tid < 8)
        {
            sdata1[tid] += sdata1[tid + 8];
            sdata1[tid] += sdata1[tid + 4];