imgproc: fix bilateral filter SIMD 32f optimization

cc9ab7e5 · Alexander Alekhin · 21c8e6d0 · cc9ab7e5
Commit cc9ab7e5 authored Oct 27, 2017 by Alexander Alekhin
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smooth.cpp modules/imgproc/src/smooth.cpp +2 -0

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--- a/modules/imgproc/src/smooth.cpp
+++ b/modules/imgproc/src/smooth.cpp
@@ -3640,6 +3640,8 @@ public:

                            v_int32x4 _idx = v_round(_alpha);
                            v_store((int*)idxBuf, _idx);
+                            _alpha -= v_cvt_f32(_idx);
+
                            v_float32x4 _explut = v_float32x4(expLUT[idxBuf[0]],
                                expLUT[idxBuf[1]],
                                expLUT[idxBuf[2]],