Vadim Pisarevsky f058b5fb1e Wide univ intrinsics (#11953) ... * core:OE-27 prepare universal intrinsics to expand (#11022) * core:OE-27 prepare universal intrinsics to expand (#11022) * core: Add universal intrinsics for AVX2 * updated implementation of wide univ. intrinsics; converted several OpenCV HAL functions: sqrt, invsqrt, magnitude, phase, exp to the wide universal intrinsics. * converted log to universal intrinsics; cleaned up the code a bit; added v_lut_deinterleave intrinsics. * core: Add universal intrinsics for AVX2 * fixed multiple compile errors * fixed many more compile errors and hopefully some test failures * fixed some more compile errors * temporarily disabled IPP to debug exp & log; hopefully fixed Doxygen complains * fixed some more compile errors * fixed v_store(short*, v_float16&) signatures * trying to fix the test failures on Linux * fixed some issues found by alalek * restored IPP optimization after the patch with AVX wide intrinsics has been properly tested * restored IPP optimization after the patch with AVX wide intrinsics has been properly tested		2018-07-16 18:57:24 +03:00
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core	Wide univ intrinsics (#11953)	2018-07-16 18:57:24 +03:00
core.hpp	Add overloaded cv::PCACompute() that returns also the eigenvalues. Useful for Java and Python OpenCV where PCA is not available.	2018-07-13 15:05:54 +02:00