41 lines
1.4 KiB
ReStructuredText
41 lines
1.4 KiB
ReStructuredText
Known bugs
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===========
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Wrong factor on B coefficient (single coeff version)
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-----------------------------
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(Probably fixed in the "calculator object" versions!)
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Under Kristensson normalisation (with CS = -1), my code gives
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B(1,0,n,n)/B(1,0,n,-n) == -(2n)! at (x,y,z) = (x,0,0)
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(expected plus or minus 1).
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A-coefficients seem to behave correctly.
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BUT THE CSPHASE MIGHT BE WRONG ON BOTH SINGLE A AND B (TODO TEST)
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Xu's antinormalisation
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----------------------
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"Xu's antinormalisation" is broken (most likely in legendre.c and maybe
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also in qpms_types.h) – the plane wave test fails and the spherical wave
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reconstruction as well (but the translation coefficients match the
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Xu's tables).
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Longitudinal waves
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------------------
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Plane wave decompositions gives wrong value on the longitudinal part.
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The implementation of the L coefficients OR the longitudinal waves
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is thus probably wrong.
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Singular value asymmetry
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------------------------
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Similar as the scattering result asymmetry, although not necessarily
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only in the y-direction?
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Overflows etc.
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--------------
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Assertion failed in gaunt_xu for test_vswf_translations.c and high values of LMAX
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(LMAX=25)
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Moreover, the non-normalized legendre functions that are used in translations.c
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are likely to overflow for even smaller values of l.
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Therefore TODO: modify translations.c in a way that uses normalised legendre functions everywhere.
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