33 lines
745 B
Python
33 lines
745 B
Python
import numpy as np
|
|
import healpy
|
|
from scipy.special import legendre
|
|
from scipy.special import p_roots
|
|
from numpy.testing import assert_allclose
|
|
import libsharp
|
|
|
|
from mpi4py import MPI
|
|
|
|
|
|
def test_basic():
|
|
lmax = 10
|
|
nside = 8
|
|
rank = MPI.COMM_WORLD.Get_rank()
|
|
ms = np.arange(rank, lmax + 1, MPI.COMM_WORLD.Get_size(), dtype=np.int32)
|
|
|
|
order = libsharp.packed_real_order(lmax, ms=ms)
|
|
grid = libsharp.healpix_grid(nside)
|
|
|
|
|
|
alm = np.zeros(order.local_size())
|
|
if rank == 0:
|
|
alm[0] = 1
|
|
elif rank == 1:
|
|
alm[0] = 1
|
|
|
|
|
|
|
|
map = libsharp.synthesis(grid, order, alm, comm=MPI.COMM_WORLD)
|
|
if rank == 0:
|
|
healpy.mollzoom(map)
|
|
from matplotlib.pyplot import show
|
|
show()
|