85 lines
2.1 KiB
Fortran
85 lines
2.1 KiB
Fortran
program test_sharp
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use mpi
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use sharp
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use iso_c_binding, only : c_ptr, c_double
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implicit none
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integer, parameter :: lmax = 2, nside = 2
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type(sharp_alm_info) :: alm_info
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type(sharp_geom_info) :: geom_info
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real(c_double), dimension(0:(lmax + 1)**2 - 1, 1:1) :: alm
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real(c_double), dimension(0:12*nside**2 - 1, 1:1) :: map
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integer(c_int), dimension(1:lmax + 1) :: ms
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integer(c_int), dimension(1:4 * nside - 1) :: rings
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integer(c_int) :: nm, m, nrings, iring
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integer :: nodecount, rank, ierr
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call MPI_Init(ierr)
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call MPI_Comm_size(MPI_COMM_WORLD, nodecount, ierr)
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call MPI_Comm_rank(MPI_COMM_WORLD, rank, ierr)
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nm = 0
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do m = rank, lmax, nodecount
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nm = nm + 1
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ms(nm) = m
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end do
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nrings = 0
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do iring = rank + 1, 4 * nside - 1, nodecount
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nrings = nrings + 1
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rings(nrings) = iring
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end do
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alm = 0
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map = 0
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if (rank == 0) then
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alm(0, 1) = 1
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end if
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print *, ms(1:nm)
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call sharp_make_mmajor_real_packed_alm_info(lmax, ms=ms(1:nm), alm_info=alm_info)
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print *, 'alm_info%n_local', alm_info%n_local
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call sharp_make_healpix_geom_info(nside, rings=rings(1:nrings), geom_info=geom_info)
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print *, 'geom_info%n_local', geom_info%n_local
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print *, 'execute'
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call sharp_execute(SHARP_Y, 0, 1, alm, alm_info, map, geom_info, comm=MPI_COMM_WORLD)
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print *, alm
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print *, map
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call sharp_destroy_alm_info(alm_info)
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call sharp_destroy_geom_info(geom_info)
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print *, 'DONE'
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call MPI_Finalize(ierr)
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print *, 'LEGENDRE TRANSFORMS'
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call test_legendre_transforms()
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contains
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subroutine test_legendre_transforms()
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integer, parameter :: lmax = 20, nx=10
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real(c_double) :: bl(0:lmax)
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real(c_double) :: x(nx), out(nx)
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real(c_float) :: out_s(nx)
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!--
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integer :: l, i
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do l = 0, lmax
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bl(l) = 1.0 / real(l + 1, c_double)
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end do
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do i = 1, nx
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x(i) = 1 / real(i, c_double)
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end do
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out = 0
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call sharp_legendre_transform(bl, x, out)
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print *, out
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call sharp_legendre_transform(real(bl, c_float), real(x, c_float), out_s)
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print *, out_s
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end subroutine test_legendre_transforms
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end program test_sharp
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