eigen/unsupported
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
..
bench Fix typos found using codespell 2018-06-07 14:43:02 +02:00
doc Bump CMake files to at least c++11. 2021-08-25 20:07:48 +00:00
Eigen Fix TensorReduction warnings and error bound for sum accuracy test. 2021-10-30 14:59:00 -07:00
test Fix TensorReduction warnings and error bound for sum accuracy test. 2021-10-30 14:59:00 -07:00
CMakeLists.txt optimize cmake scripts for subproject use 2021-10-28 16:08:02 +02:00
README.txt Fix typos found using codespell 2018-06-07 14:43:02 +02:00

This directory contains contributions from various users.
They are provided "as is", without any support. Nevertheless,
most of them are subject to be included in Eigen in the future.

In order to use an unsupported module you have to do either:

 - add the path_to_eigen/unsupported directory to your include path and do:
   #include <Eigen/ModuleHeader>

 - or directly do:
   #include <unsupported/Eigen/ModuleHeader>


If you are interested in contributing to one of them, or have other stuff
you would like to share, feel free to contact us:
http://eigen.tuxfamily.org/index.php?title=Main_Page#Mailing_list

Any kind of contributions are much appreciated, even very preliminary ones.
However, it:
 - must rely on Eigen,
 - must be highly related to math,
 - should have some general purpose in the sense that it could
   potentially become an official Eigen module (or be merged into another one).

In doubt feel free to contact us. For instance, if your addons is very too specific
but it shows an interesting way of using Eigen, then it could be a nice demo.


This directory is organized as follow:

unsupported/Eigen/ModuleHeader1
unsupported/Eigen/ModuleHeader2
unsupported/Eigen/...
unsupported/Eigen/src/Module1/SourceFile1.h
unsupported/Eigen/src/Module1/SourceFile2.h
unsupported/Eigen/src/Module1/...
unsupported/Eigen/src/Module2/SourceFile1.h
unsupported/Eigen/src/Module2/SourceFile2.h
unsupported/Eigen/src/Module2/...
unsupported/Eigen/src/...
unsupported/doc/snippets/.cpp   <- code snippets for the doc
unsupported/doc/examples/.cpp   <- examples for the doc
unsupported/doc/TutorialModule1.dox
unsupported/doc/TutorialModule2.dox
unsupported/doc/...
unsupported/test/.cpp           <- unit test files

The documentation is generated at the same time than the main Eigen documentation.
The .html files are generated in: build_dir/doc/html/unsupported/