* copy and replace lp_rlp.h

* remove re-initialization of eta

* update ubuntu version from 18 to 20 in R cran tests

* minor improvements (explanatory comments)

---------

Co-authored-by: Apostolos Chalkis <[email protected]>

* initialize nuts sampler class

* implement the burnin of nuts sampler

* add tests and resolve bugs

* implement e0 estimation in burnin of nuts

* optimize leapfrog

* integrate nuts into the R interface

* document random walk in sample_points.cpp in R interface

* fix burnin for the non-truncated case

* resolve bugs in hmc and nuts pipelines

* improve the preprocess in burin step of nuts

* split large lines in sample_points.cpp

* Add NUTS C++ example and update CMake (GeomScale#29)

* resolve PR comments

* fix minor bug

* fix compiler bug

* fix error in building the C++ examples

* resolve warnings in sample_points

* fix lpsolve cran warning

* fix cran warning on mac

* improve lpsolve cmake for cran check

* fix R warning in mac test

* remove lpsolve header

* resolve PR comments

---------

Co-authored-by: Marios Papachristou <[email protected]>
Co-authored-by: Apostolos Chalkis <[email protected]>

…ce parameter, add define lp_solve guards to orderpolytope

Remove volesti4dingo branch

…_source

Build only with lp-solve source code, no need for liblpsolve55.so files

* Enable c++17 support in tests and fix saxpy calls

* Fix structure, code style and tests in autodiff

* correcting the includes to point the boost library directory

* modifs to include only the include/ and external/ directories

* modifs

* Update CMakeLists.txt

---------

Co-authored-by: Vissarion Fisikopoulos <[email protected]>
Co-authored-by: vfisikop <[email protected]>

…rent develop

Remove R interface