GitLab

Make sure 'clean' is done before and after 'make check'

See merge request !386

- new job with nvhpc and MPI
- more load balancing
- limit MAKE_TEST_NP in CUDA jobs

FN: fix calls to cuBLAS with complex scalars

See merge request !385

- gitlab-ci: add cuda in jobs with nvidia compiler

- improve load balancing of stage-3
- use modules where appropriate
- no need to download-thrust
- make sure environment variables do not interfere in pip-install job
- do not skip testing FEAST in some jobs

EPSFEAST should be used in Hermitian problems only (according to MKL documentation)

See merge request !382

MKL contains version 2.1 of FEAST, which does not support non-Hermitian
problems, although with real arithmetic it may work in some cases.

configure: also pass CXX flags when building ELPA

See merge request !381

- Assign jobs to specific machines to avoid non-deterministic execution
- Move linux-debian to new server sejmet
- Add LOAD_MODULES for systems that use environment modules
- Improve rendering of coverage information
- Move CUDA jobs to a new server
- Remove --with-openmp in CUDA jobs
- Move jobs from scheduled to regular pipelines

Restore use of CHKERRQ in *.F90 examples

See merge request !362

configure: use files from HPDDM tarball

See merge request !358

Also, avoid explicit version number in clang library