a*b+c -> fma

6 years ago · a6af9c75e9
parent 6de86e325f
commit a6af9c75e9
1 changed files with 1 additions and 1 deletions
--- 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);