educational-pwdft/html/constant_8_f90_source.html

!

! Copyright (c) 2018 Mitsuaki Kawamura

!

! Permission is hereby granted, free of charge, to any person obtaining a

! copy of this software and associated documentation files (the

! "Software"), to deal in the Software without restriction, including

! without limitation the rights to use, copy, modify, merge, publish,

! distribute, sublicense, and/or sell copies of the Software, and to

! permit persons to whom the Software is furnished to do so, subject to

! the following conditions:

!

! The above copyright notice and this permission notice shall be included

! in all copies or substantial portions of the Software.

!

! THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

! OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

! MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.

! IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY

! CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,

! TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE

! SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

!

module constant

  !

  real(8),parameter :: pi = acos(-1.0d0)

  real(8),parameter :: bohr2ang = 0.529177249d0

  real(8),parameter :: htr2ev = 27.21138456d0

  !

end module constant