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Fix test 

the testing threshold has to be more generous than the
analyzing threshold
This commit is contained in:
Gernot J. Kraberger 2018-04-03 17:11:59 +02:00
parent 086573950b
commit f8731f1bfe
2 changed files with 13 additions and 7 deletions
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4
python/sumk_dft.py
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@ -1029,6 +1029,10 @@ class SumkDFT(object):
:class:`SumkDFT.block_structure <dft.block_structure.BlockStructure>`
attribute.
Due to the implementation and numerics, the maximum difference between
two matrix elements that are detected as equal can be a bit higher
(e.g. a factor of two) than the actual threshold.
Parameters
----------
G : list of BlockGf of GfImFreq or GfImTime

16
test/analyze_block_structure_from_gf.py
View File

@ -166,7 +166,7 @@ for conjugate in conjugate_values:
G_noisy['ud'][i:i+2,i:i+2] << G_noisy['ud'][i:i+2,i:i+2].transpose()
# analyse the block structure
G_new = SK.analyse_block_structure_from_gf(G)
G_new = SK.analyse_block_structure_from_gf(G, 1.e-7)
# transform G_noisy etc. to the new block structure
G_noisy = SK.block_structure.convert_gf(G_noisy, block_structure1, beta = G_noisy.mesh.beta)
@ -200,18 +200,20 @@ for conjugate in conjugate_values:
normalized_gfs.append(normalized_gf)
for i in range(len(normalized_gfs)):
for j in range(i+1,len(normalized_gfs)):
assert_gfs_are_close(normalized_gfs[i], normalized_gfs[j])
# here, we use a threshold that is 1 order of magnitude less strict
# because of numerics
assert_gfs_are_close(normalized_gfs[i], normalized_gfs[j], 1.e-6)
# now we check symm_deg_gf
# symmetrizing the GF as is has to leave it unchanged
# symmetrizing the GF has is has to leave it unchanged
G_new_symm = G_new[0].copy()
SK.symm_deg_gf(G_new_symm, 0)
assert_block_gfs_are_close(G_new[0], G_new_symm)
assert_block_gfs_are_close(G_new[0], G_new_symm, 1.e-6)
# symmetrizing the noisy GF, which was carefully constructed,
# has to give the same result as G_new[0]
SK.symm_deg_gf(G_noisy, 0)
assert_block_gfs_are_close(G_new[0], G_noisy)
assert_block_gfs_are_close(G_new[0], G_noisy, 1.e-6)
# check backward compatibility of symm_deg_gf
# first, construct the old format of the deg shells
@ -222,9 +224,9 @@ for conjugate in conjugate_values:
# symmetrizing the GF as is has to leave it unchanged
G_new_symm << G_pre_transform
SK.symm_deg_gf(G_new_symm, 0)
assert_block_gfs_are_close(G_new_symm, G_pre_transform)
assert_block_gfs_are_close(G_new_symm, G_pre_transform, 1.e-6)
# symmetrizing the noisy GF pre transform, which was carefully constructed,
# has to give the same result as G_pre_transform
SK.symm_deg_gf(G_noisy_pre_transform, 0)
assert_block_gfs_are_close(G_noisy_pre_transform, G_pre_transform)
assert_block_gfs_are_close(G_noisy_pre_transform, G_pre_transform, 1.e-6)