CASE21 journal reference

See merge request libxc/libxc!577

Implement B97-3c

See merge request libxc/libxc!580

Rename erratum references to same convention as everything
else. Cleanup BibTeX entries so that capitalizations in output are
correct.

See merge request libxc/libxc!579

else. Cleanup BibTeX entries so that capitalizations in output are
correct.

Add functionality to access BibTeX reference keys from Libxc

See merge request libxc/libxc!572

Implement PBE and TPSS with parameters from Gaussian

See merge request libxc/libxc!566

Implement PBE and TPSS with parameters from Gaussian: gga_x_pbe_gaussian, gga_c_pbe_gaussian and mgga_c_tpss_gaussian

Resolve "New correlation functionals for TASK"

Closes #398

See merge request libxc/libxc!564

Implemented mgga_c_cc and mgga_c_ccalda with 1e-11 and 1e-9 reproduction of energy of Li atom with tabulated UHF density compared to authors' reference implementation.

Add note in code about HCTH/147 c5 parameter value

See merge request libxc/libxc!570

Changelog from 5.2.x.

See merge request libxc/libxc!569

Fix an incorrect year in a reference

See merge request libxc/libxc!568

The literature reference of O3LYP was missing in the source

See merge request libxc/libxc!567

Tidy up an entry in the bibliography.

See merge request libxc/libxc!556

Fix cuda compilation in CI.

See merge request libxc/libxc!563

Remaple mgga_xc_b97mv and hyb_mgga_xc_wb97mv (issue 401).

Closes #401

See merge request libxc/libxc!560

Functional simplification with my_piecewise5 and improved gga_c_revtca

See merge request libxc/libxc!559

Implement a version of PBE exchange with fewer decimals for beta.

See merge request libxc/libxc!558

Forgot to reorganize parameter descriptions in aaec1994

See merge request libxc/libxc!554

Make possible to change range-separated parameters of CAMY-B3LYP

Closes #384

See merge request libxc/libxc!545