!!****d* ABINIT/defs
!! NAME
!! defs
!!
!! DESCRIPTION
!! This directory contains
!! - the defs_basis module, with
!!   the definitions of global parameters of the ABINIT package
!! - other defs_* modules
!! - interfaces_* of all directories included used libraries
!! By definitions, one means :
!! - constants that define data types
!!   (e.g.: dp , is used in real(dp) )
!! - numerical constants (e.g.: zero , one , half , pi , ...)
!! - physical constants (e.g.: Ha_eV=27.2113961_dp ! 1 Hartree, in eV)
!! The other defs_* modules presently contain definition
!! of derived datatypes.

!! COPYRIGHT
!! Copyright (C) 1998-2020 ABINIT group (TD)
!! This file is distributed under the terms of the
!! GNU General Public License, see ~abinit/COPYING
!! or http://www.gnu.org/copyleft/gpl.txt .
!! For the initials of contributors, see ~abinit/doc/developers/contributors.txt .
!!
!! CHILDREN
!! defs_basis.F90
!! defs_datatypes.F90
!!
!!***
