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Antonio Sanchez f6c8cc0e99 Fix TensorReduction warnings and error bound for sum accuracy test. 
The sum accuracy test currently uses the default test precision for
the given scalar type.  However, scalars are generated via a normal
distribution, and given a large enough count and strong enough random
generator, the expected sum is zero.  This causes the test to
periodically fail.

Here we estimate an upper-bound for the error as `sqrt(N) * prec` for
summing N values, with each having an approximate epsilon of `prec`.

Also fixed a few warnings generated by MSVC when compiling the
reduction test.
2021-10-30 14:59:00 -07:00
.gitlab Add GitLab templates for issues and merge requests 2021-03-31 16:01:12 +00:00
bench Replace memset with fill to work for non-trivial scalars. 2021-07-08 18:34:41 +00:00
blas optimize cmake scripts for subproject use 2021-10-28 16:08:02 +02:00
ci Fix some typos found 2021-09-23 15:22:00 +00:00
cmake Fix Windows CMake compiler/OS detection. 2021-10-02 16:30:38 +00:00
debug Add LLDB Pretty Printer 2021-09-07 17:28:24 +00:00
demos Avoid leading underscore followed by cap in template identifiers 2021-08-04 22:41:52 +00:00
doc Remove license column in tables for builtin sparse solvers since all are MPL2 now. 2021-10-26 18:09:22 +00:00
Eigen Invert rows and depth in non-vectorized portion of packing (PowerPC). 2021-10-28 21:59:41 +00:00
failtest Bump CMake files to at least c++11. 2021-08-25 20:07:48 +00:00
lapack Add missing dependency on LAPACK test suite binaries to target buildtests, so make check will work correctly when EIGEN_ENABLE_LAPACK_TESTS is ON. 2021-08-30 21:49:08 +00:00
scripts Replace calls to "hg" by calls to "git" 2019-12-04 11:24:06 +01:00
test test: fix boostmutiprec test to compile with older Boost versions 2021-10-25 20:32:33 +00:00
unsupported Fix TensorReduction warnings and error bound for sum accuracy test. 2021-10-30 14:59:00 -07:00
.gitignore New CI infrastructure, including AArch64 runners 2020-09-11 18:11:49 +00:00
.gitlab-ci.yml Add CI infrastructure for pre-merge smoke tests. 2021-04-01 00:08:37 +00:00
.hgeol Added a pattern which forces LF line endings for *.sh files. 2013-07-31 18:20:58 +02:00
CMakeLists.txt optimize cmake scripts for subproject use 2021-10-28 16:08:02 +02:00
COPYING.APACHE Add Apache 2.0 license text in COPYING.APACHE. 2020-06-18 12:45:27 -07:00
COPYING.BSD Make file formatting comply with POSIX and Unix standards 2020-03-23 18:09:02 +00:00
COPYING.GPL there's no reason why we should follow the FSF's stupid recommendation for the naming of these files, right? This could give the wrong impression that Eigen is only GPL-licensed. 2009-11-14 23:26:07 -05:00
COPYING.LGPL Replace COPYING.LGPL by a copy of the LGPL 2.1 (instead of LGPL 3). 2012-09-10 13:27:44 -04:00
COPYING.MINPACK Make file formatting comply with POSIX and Unix standards 2020-03-23 18:09:02 +00:00
COPYING.MPL2 add COPYING.MPL2 2012-07-15 10:20:59 -04:00
COPYING.README Replace COPYING.LGPL by a copy of the LGPL 2.1 (instead of LGPL 3). 2012-09-10 13:27:44 -04:00
CTestConfig.cmake STYLE: Convert CMake-language commands to lower case 2019-10-31 11:36:37 -05:00
CTestCustom.cmake.in Allow to filter out build-error messages 2018-07-24 20:12:49 +02:00
eigen3.pc.in Further fixes for CMAKE_INSTALL_PREFIX correctness 2015-11-07 21:29:24 -05:00
INSTALL finally, the right fix: set CTEST_BUILD_TARGET. 2009-10-04 20:27:44 -04:00
README.md Update old links to bitbucket to point to gitlab.com 2019-12-04 10:57:07 +01:00
signature_of_eigen3_matrix_library improve the scripts for building unit tests: 2009-11-25 21:26:37 -05:00

README.md

Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.

For more information go to http://eigen.tuxfamily.org/.

For pull request, bug reports, and feature requests, go to https://gitlab.com/libeigen/eigen.