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Antonio Sanchez e72dfeb8b9 Fix rint for SSE/NEON. 
It seems *sometimes* with aggressive optimizations the combination
`psub(padd(a, b), b)` trick to force rounding is compiled away. Here
we replace with inline assembly to prevent this (I tried `volatile`,
but that leads to additional loads from memory).

Also fixed an edge case for large inputs `a` where adding `b` bumps
the value up a power of two and ends up rounding away more than
just the fractional part.  If we are over `2^digits` then just return
the input.  This edge case was missed in the test since the test was
comparing approximate equality, which was still satisfied.  Adding
a strict equality option catches it.
2021-03-03 09:41:46 -08:00
bench Eliminate CMake FindPackageHandleStandardArgs warnings. 2021-02-24 09:52:05 +00:00
blas Replace language_support module with builtin CheckLanguage 2021-01-27 13:26:40 +00:00
ci Don't allow all test jobs to fail but only the currently failing ones. 2021-02-12 14:01:17 +01:00
cmake Eliminate CMake FindPackageHandleStandardArgs warnings. 2021-02-24 09:52:05 +00:00
debug
demos Make file formatting comply with POSIX and Unix standards 2020-03-23 18:09:02 +00:00
doc Document that using raw function pointers doesn't work with unaryExpr. 2021-02-27 22:58:42 +01:00
Eigen Fix rint for SSE/NEON. 2021-03-03 09:41:46 -08:00
failtest Make file formatting comply with POSIX and Unix standards 2020-03-23 18:09:02 +00:00
lapack Replace language_support module with builtin CheckLanguage 2021-01-27 13:26:40 +00:00
scripts Replace calls to "hg" by calls to "git" 2019-12-04 11:24:06 +01:00
test Fix rint for SSE/NEON. 2021-03-03 09:41:46 -08:00
unsupported Inherit from no_assignment_operator to avoid implicit copy constructor warnings 2021-02-27 18:44:26 +01:00
.gitignore New CI infrastructure, including AArch64 runners 2020-09-11 18:11:49 +00:00
.gitlab-ci.yml New CI infrastructure, including AArch64 runners 2020-09-11 18:11:49 +00:00
.hgeol
CMakeLists.txt Remove code checking for CMake < 3.5 2020-12-14 09:57:44 +00:00
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
COPYING.LGPL
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COPYING.README
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
INSTALL
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

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.