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Merge pull request #81 from UCL/test_interp
Tests for interp_fix
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''' | ||
Test the interp functionality | ||
''' | ||
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import pytest | ||
import numpy as np | ||
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import sys | ||
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from .. import interp_fix | ||
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def test1d(): | ||
newx = np.arange(200) | ||
oldx = np.array(sorted(np.random.choice(np.arange(200), 100, replace=False))) | ||
oldy = oldy = np.random.rand(100) | ||
np_ret = np.interp(newx, oldx, oldy) | ||
numba_ret = interp_fix.interp1d(newx, oldx, oldy) | ||
assert np.allclose(np_ret, numba_ret) | ||
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def test2d(): | ||
newx = np.arange(200) | ||
oldx = np.array(sorted(np.random.choice(np.arange(200), 100, replace=False))) | ||
oldy = oldy = np.random.rand(100,5) | ||
numba_ret = interp_fix.interp1d(newx, oldx, oldy) | ||
for i in range(5): | ||
np_ret = np.interp(newx, oldx, oldy[:,i]) | ||
assert np.allclose(np_ret, numba_ret[:,i]) | ||
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def test3d(): | ||
newx = np.arange(200) | ||
oldx = np.array(sorted(np.random.choice(np.arange(200), 100, replace=False))) | ||
oldy = oldy = np.random.rand(100, 5, 10) | ||
numba_ret = interp_fix.interp1d(newx, oldx, oldy) | ||
for i in range(5): | ||
for j in range(10): | ||
np_ret = np.interp(newx, oldx, oldy[:,i, j]) | ||
assert np.allclose(np_ret, numba_ret[:,i, j]) | ||
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# def testgap(): | ||
# newx = np.arange(200) | ||
# oldx = np.array(sorted(np.random.choice(np.arange(200), 100, replace=False))) | ||
# oldy = oldy = np.random.rand(100, 5, 10) | ||
# for i in range(5): | ||
# for j in range(10): | ||
# bad_pix = np.random.choice(range(100), 100) | ||
# gap_oldy = oldy[:,i, j].copy() | ||
# gap_oldy[bad_pix] = np.nan | ||
# numba_ret = interp_fix.interp1d(newx, oldx, gap_oldy) | ||
# np_ret = np.interp(newx, oldx, gap_oldy) | ||
# diff = numba_ret - np_ret | ||
# if not np.nansum(diff)<1e-10: | ||
# raise | ||
# print('Same result achieved and filled gaps') |