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core: fix meanStdDev bug by using separate variables v2, v3 in sumsqr_

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pratham-mcw
2026-03-31 11:29:34 +05:30
parent 45c1f9d803
commit c5d747f75c
1 changed files with 4 additions and 3 deletions
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modules/core/src/mean.simd.hpp
+4 -3
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@@ -224,9 +224,10 @@ static int sumsqr_(const T* src0, const uchar* mask, ST* sum, SQT* sqsum, int le
v0 = src[0], v1 = src[1];
s0 += v0; sq0 += (SQT)v0*v0;
s1 += v1; sq1 += (SQT)v1*v1;
v0 = src[2], v1 = src[3];
s2 += v0; sq2 += (SQT)v0*v0;
s3 += v1; sq3 += (SQT)v1*v1;
T v2, v3;
v2 = src[2], v3 = src[3];
s2 += v2; sq2 += (SQT)v2*v2;
s3 += v3; sq3 += (SQT)v3*v3;
}
sum[k] = s0; sum[k+1] = s1;
sum[k+2] = s2; sum[k+3] = s3;