Fortraneries/Fraktalism/mods/points3d.f90

61 lines
1.7 KiB
Fortran

module points3d
implicit none
!-----------------------------------------------------
type t_point3d
double precision :: x, y, z
integer :: seq
end type t_point3d
!-----------------------------------------------------
contains
!-----------------------------------------------------
subroutine list_points3d(array, start, length)
type(t_point3d), dimension(:), intent(in) :: array
integer, intent(in) :: start, length
integer :: sz, i, j
write(0, '(1X, A15, 2I9)') "list pt3d ", start, length
sz = ubound(array, 1)
if ((start+length) .GT. sz) then
STOP ' : LIST P3D, OUT OF BOUND'
endif
! send values to stdout.
do i = 1, length
j = i + start
print *, array(j)%x, array(j)%y, array(j)%z, array(j)%seq
enddo
end subroutine list_points3d
!-----------------------------------------------------
subroutine write_points3d(array, start, length, fname)
type(t_point3d), dimension(:), intent(in) :: array
integer, intent(in) :: start, length
character(*), intent(in) :: fname
integer :: sz, i, j, io
! write(0, '(1X, A15, 2I9)') "write pt3d ", start, length
sz = ubound(array, 1)
if ((start+length) .GT. sz) then
STOP ' : WRITE P3D, OUT OF BOUND'
endif
open(newunit=io, file=fname)
do i = 1, length
j = i + start
write(io, '(3F12.6, I8)') &
array(j)%x, array(j)%y, array(j)%z, array(j)%seq
enddo
close(io)
end subroutine write_points3d
!-----------------------------------------------------
end module points3d