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core(stat): disable IPP optimization in meanStdDev (cn > 1)

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This commit is contained in:
Alexander Alekhin 2017-07-31 14:04:56 +03:00
parent bdb6b45c91
commit e58a778bd5
1 changed files with 7 additions and 0 deletions
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7
modules/core/src/stat.cpp
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@ -1739,6 +1739,13 @@ static bool ipp_meanStdDev(Mat& src, OutputArray _mean, OutputArray _sdv, Mat& m
#if IPP_VERSION_X100 >= 700
int cn = src.channels();
#if IPP_VERSION_X100 < 201801
// IPP_DISABLE: C3C functions can read outside of allocated memory
if (cn > 1)
return false;
#endif
size_t total_size = src.total();
int rows = src.size[0], cols = rows ? (int)(total_size/rows) : 0;
if( src.dims == 2 || (src.isContinuous() && mask.isContinuous() && cols > 0 && (size_t)rows*cols == total_size) )