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cdtools/tests/tools/test_projectors.py
T

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Python

from __future__ import division, print_function, absolute_import
from CDTools.tools import cmath
from CDTools.tools import projectors
import numpy as np
import torch as t
from scipy.fftpack import fftshift, ifftshift
def test_modulus():
# Create a complex array with modulus 12 and phase pi/4
np_result = 6**.5*(np.ones((10,10))+1j*np.ones((10,10)))
assert(np.allclose(cmath.torch_to_complex(projectors.modulus(t.ones((10,10,2)), 12*t.ones((10,10)))), np_result))
def test_support():
# Test masking
support = t.zeros((10,10))
np_result = np.zeros((10,10))
assert(np.allclose(cmath.torch_to_complex(projectors.support(t.ones((10,10,2)), support)), np_result))