Files
lammps/unittest/fortran/test_fortran_properties.f90
2022-09-27 13:20:39 -04:00

68 lines
2.0 KiB
Fortran

MODULE keepprops
USE liblammps
IMPLICIT NONE
TYPE(LAMMPS) :: lmp
CHARACTER(len=40), DIMENSION(3), PARAMETER :: demo_input = &
[ CHARACTER(len=40) :: &
'region box block 0 $x 0 2 0 2', &
'create_box 1 box', &
'create_atoms 1 single 1.0 1.0 ${zpos}' ]
CHARACTER(len=40), DIMENSION(2), PARAMETER :: cont_input = &
[ CHARACTER(len=40) :: &
'create_atoms 1 single &', &
' 0.2 0.1 0.1' ]
END MODULE keepprops
FUNCTION f_lammps_version () BIND(C)
USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_int
USE liblammps
USE keepprops, ONLY : lmp
IMPLICIT NONE
INTEGER (C_int) :: f_lammps_version
f_lammps_version = lmp%version()
END FUNCTION f_lammps_version
SUBROUTINE f_lammps_memory_usage (meminfo) BIND(C)
USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_double
USE liblammps
USE keepprops, ONLY : lmp
IMPLICIT NONE
REAL (C_double), DIMENSION(3), INTENT(OUT) :: meminfo
CALL lmp%memory_usage(meminfo)
END SUBROUTINE f_lammps_memory_usage
FUNCTION f_lammps_get_mpi_comm () BIND(C)
USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_int
USE liblammps
USE keepprops, ONLY : lmp
IMPLICIT NONE
INTEGER (C_int) :: f_lammps_get_mpi_comm
f_lammps_get_mpi_comm = lmp%get_mpi_comm()
END FUNCTION f_lammps_get_mpi_comm
FUNCTION f_lammps_extract_setting (Cstr) BIND(C)
USE, INTRINSIC :: ISO_C_BINDING, ONLY : C_int, C_char
USE keepprops, ONLY : lmp
USE LIBLAMMPS
IMPLICIT NONE
INTEGER (C_int) :: f_lammps_extract_setting
CHARACTER (KIND=C_char, LEN=1), DIMENSION(*), INTENT(IN) :: Cstr
INTEGER :: strlen, i
CHARACTER (LEN=:), ALLOCATABLE :: Fstr
i = 1
DO WHILE (Cstr(i) /= ACHAR(0))
i = i + 1
END DO
strlen = i
allocate ( CHARACTER(LEN=strlen) :: Fstr)
FORALL (i=1:strlen)
Fstr(i:i) = Cstr(i)
END FORALL
f_lammps_extract_setting = lmp%extract_setting(Fstr)
deallocate (Fstr)
END FUNCTION f_lammps_extract_setting