a*b+c -> fma

a6af9c75 · Rostislav Vasilikhin · 6de86e32 · a6af9c75
Commit a6af9c75 authored Jan 21, 2019 by Rostislav Vasilikhin
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color_yuv.cpp modules/imgproc/src/color_yuv.cpp +1 -1

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--- a/modules/imgproc/src/color_yuv.cpp
+++ b/modules/imgproc/src/color_yuv.cpp
@@ -123,7 +123,7 @@ struct RGB2YCrCb_f<float>
            }

            v_float32 y, cr, cb;
-            y = b*vc0 + g*vc1 + r*vc2;
+            y = v_fma(b, vc0, v_fma(g, vc1, r*vc2));

            if(bidx)
                std::swap(r, b);