4.x
DNN: add the Winograd fp16 support (#23654)
Merge pull request #20733 from rogday:argmaxnd
Set and check allocator pointer for all cv::Mat instances.
Added LUT for FP16 and accuracy test.
Merge pull request #23736 from seanm:c++11-simplifications
Added more strict checks for empty inputs to compare, meanStdDev and RNG::fill
ts: refactor OpenCV tests
Add missing std namespace qualifiers
add cuda::Stream constructor with cuda flags
Misc. modules/ typos
Merge remote-tracking branch 'upstream/3.4' into merge-3.4
Partially back-port #25075 to 4.x
Fix modules/ typos
Add Loongson Advanced SIMD Extension support: -DCPU_BASELINE=LASX
Merge pull request #22947 from chacha21:hasNonZero
core: fix F16C compilation check
Merge pull request #22179 from hanliutong:new-rvv
core(test): intrinsic tests for all dispatched CPU optimizations
Merge pull request #14210 from terfendail:wui_512
Merge pull request #16236 from alalek:fix_core_simd_emulator
Restored removed test_round_pair_f64 test afetr PR 24941.
core: FileStorage: detect invalid attribute value
Merge pull request #13909 from kinchungwong:logging_20190220
build: reduce usage of constexpr
Merge remote-tracking branch 'origin/3.4' into merge-3.4
Merge pull request #11897 from Jakub-Golinowski:hpx_backend
Merge pull request #25751 from simonkampe:fix-eigen-rowmajor
test: use cv::theRNG instead of own generator
Merge pull request #26022 from Kumataro:fix26016
UMat usageFlags fixes opencv/opencv#19807
lock rounding mode for parallel test run
3.4: backported changes from 'master' branch
Merge pull request #19026 from chargerKong:dualquat
fix legacy constants
replace lena.jpg in find-existing-file tests