Stephen Zheng 5f25bcf7d6 Add Inverse_NEON.h
Implemented fast size-4 matrix inverse (mimicking Inverse_SSE.h) using NEON intrinsics.

```
Benchmark                   Time             CPU      Time Old      Time New       CPU Old       CPU New
--------------------------------------------------------------------------------------------------------
BM_float                 -0.1285         -0.1275           568           495           572           499
BM_double                -0.2265         -0.2254           638           494           641           496
```
2020-09-04 10:55:47 +00:00
2020-08-19 20:52:34 +02:00
2018-03-11 10:01:44 -04:00
2020-07-29 19:01:38 +02:00
2020-09-04 10:55:47 +00:00
2020-09-02 18:21:36 -03:00
2012-07-15 10:20:59 -04:00

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.

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