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Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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This commit is contained in:
Alexander Alekhin
2018-10-26 17:56:28 +03:00
parent eb981cc7d7 eea0f7fd76
commit 50bec53afc
40 changed files with 647 additions and 322 deletions
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modules/core/test/test_arithm.cpp
+26
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@@ -2369,4 +2369,30 @@ TEST(UMat_Core_DivideRules, type_32f) { testDivide<float, true>(); }
TEST(Core_DivideRules, type_64f) { testDivide<double, false>(); }
TEST(UMat_Core_DivideRules, type_64f) { testDivide<double, true>(); }
TEST(Core_MinMaxIdx, rows_overflow)
{
const int N = 65536 + 1;
const int M = 1;
{
setRNGSeed(123);
Mat m(N, M, CV_32FC1);
randu(m, -100, 100);
double minVal = 0, maxVal = 0;
int minIdx[CV_MAX_DIM] = { 0 }, maxIdx[CV_MAX_DIM] = { 0 };
cv::minMaxIdx(m, &minVal, &maxVal, minIdx, maxIdx);
double minVal0 = 0, maxVal0 = 0;
int minIdx0[CV_MAX_DIM] = { 0 }, maxIdx0[CV_MAX_DIM] = { 0 };
cv::ipp::setUseIPP(false);
cv::minMaxIdx(m, &minVal0, &maxVal0, minIdx0, maxIdx0);
cv::ipp::setUseIPP(true);
EXPECT_FALSE(fabs(minVal0 - minVal) > 1e-6 || fabs(maxVal0 - maxVal) > 1e-6) << "NxM=" << N << "x" << M <<
" min=" << minVal0 << " vs " << minVal <<
" max=" << maxVal0 << " vs " << maxVal;
}
}
}} // namespace