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handle huge matrices correctly (#11505)

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* make sure that the matrix with more than INT_MAX elements is marked as non-continuous, and thus all the pixel-wise functions process it correctly (i.e. row-by-row, not as a single row, where integer overflow may occur when computing the total number of elements)
This commit is contained in:
Vadim Pisarevsky
2018-05-14 15:29:14 +03:00
committed by GitHub
parent c6a9de812b
commit e0dbe5cfcc
12 changed files with 101 additions and 101 deletions
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modules/core/src/cuda_host_mem.cpp
+4 -1
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@@ -201,10 +201,13 @@ void cv::cuda::HostMem::create(int rows_, int cols_, int type_)
if (rows_ > 0 && cols_ > 0)
{
flags = Mat::MAGIC_VAL + Mat::CONTINUOUS_FLAG + type_;
flags = Mat::MAGIC_VAL + type_;
rows = rows_;
cols = cols_;
step = elemSize() * cols;
int sz[] = { rows, cols };
size_t steps[] = { step, CV_ELEM_SIZE(type_) };
flags = updateContinuityFlag(flags, 2, sz, steps);
if (alloc_type == SHARED)
{