Merge pull request #1751 from vpisarev:avx2_fixes

8378dc6b · Alexander Alekhin · 064603ad · d1b8e38e · 8378dc6b
Commit 8378dc6b authored Sep 06, 2018 by Alexander Alekhin
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surf.cpp modules/xfeatures2d/src/surf.cpp +1 -1

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--- a/modules/xfeatures2d/src/surf.cpp
+++ b/modules/xfeatures2d/src/surf.cpp
@@ -847,7 +847,7 @@ struct SURFInvoker : ParallelLoopBody

            // unit vector is essential for contrast invariance
            vec = descriptors->ptr<float>(k);
-            float scale = (float)(1./(std::sqrt(square_mag) + DBL_EPSILON));
+            float scale = (float)(1./(std::sqrt(square_mag) + FLT_EPSILON));
            for( kk = 0; kk < dsize; kk++ )
                vec[kk] *= scale;
        }