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Merge pull request #18571 from vpisarev:add_lapack

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Added clapack

* bring a small subset of Lapack, automatically converted to C, into OpenCV

* added missing lsame_ prototype

* * small fix in make_clapack script
* trying to fix remaining CI problems

* fixed character arrays' initializers

* get rid of F2C_STR_MAX

* * added back single-precision versions for QR, LU and Cholesky decompositions. It adds very little extra overhead.
* added stub version of sdesdd.
* uncommented calls to all the single-precision Lapack functions from opencv/core/src/hal_internal.cpp.

* fixed warning from Visual Studio + cleaned f2c runtime a bit

* * regenerated Lapack w/o forward declarations of intrinsic functions (such as sqrt(), r_cnjg() etc.)
* at once, trailing whitespaces are removed from the generated sources, just in case
* since there is no declarations of intrinsic functions anymore, we could turn some of them into inline functions

* trying to eliminate the crash on ARM

* fixed API and semantics of s_copy

* * CLapack has been tested successfully. It's now time to restore the standard LAPACK detection procedure
* removed some more trailing whitespaces

* * retained only the essential stuff in CLapack
* added checks to lapack calls to gracefully return "not implemented" instead of returning invalid results with "ok" status

* disabled warning when building lapack

* cmake: update LAPACK detection

Co-authored-by: Alexander Alekhin <alexander.a.alekhin@gmail.com>
This commit is contained in:
Vadim Pisarevsky
2020-11-06 00:46:51 +03:00
committed by GitHub
parent d0310c2a6a
commit 2ee9d21dae
50 changed files with 46103 additions and 87 deletions
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modules/core/test/test_math.cpp
+5
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@@ -698,6 +698,11 @@ void Core_GEMMTest::get_minmax_bounds( int /*i*/, int /*j*/, int /*type*/, Scala
void Core_GEMMTest::run_func()
{
/*printf("tabc_flags=At:%d,Bt:%d,Ct:%d; A(%d x %d), B(%d x %d), C(%d x %d)\n",
(tabc_flag & GEMM_1_T) != 0, (tabc_flag & GEMM_2_T) != 0, (tabc_flag & GEMM_3_T) != 0,
test_mat[INPUT][0].rows, test_mat[INPUT][0].cols,
test_mat[INPUT][1].rows, test_mat[INPUT][1].cols,
test_mat[INPUT][4].rows, test_mat[INPUT][4].cols);*/
cvGEMM( test_array[INPUT][0], test_array[INPUT][1], alpha,
test_array[INPUT][4], beta, test_array[OUTPUT][0], tabc_flag );
}