Dane Sabo
3299181c70
M lazy-lock.json M lua/custom/configs/lspconfig.lua M lua/custom/init.lua A lua/custom/journal.lua A nvim_venv/bin/Activate.ps1 A nvim_venv/bin/activate A nvim_venv/bin/activate.csh A nvim_venv/bin/activate.fish
36 lines
1.2 KiB
Python
36 lines
1.2 KiB
Python
"""
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sympy.polys.matrices.dfm
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Provides the :class:`DFM` class if ``GROUND_TYPES=flint'``. Otherwise, ``DFM``
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is a placeholder class that raises NotImplementedError when instantiated.
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"""
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from sympy.external.gmpy import GROUND_TYPES
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if GROUND_TYPES == "flint": # pragma: no cover
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# When python-flint is installed we will try to use it for dense matrices
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# if the domain is supported by python-flint.
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from ._dfm import DFM
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else: # pragma: no cover
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# Other code should be able to import this and it should just present as a
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# version of DFM that does not support any domains.
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class DFM_dummy:
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"""
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Placeholder class for DFM when python-flint is not installed.
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"""
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def __init__(*args, **kwargs):
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raise NotImplementedError("DFM requires GROUND_TYPES=flint.")
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@classmethod
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def _supports_domain(cls, domain):
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return False
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@classmethod
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def _get_flint_func(cls, domain):
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raise NotImplementedError("DFM requires GROUND_TYPES=flint.")
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# mypy really struggles with this kind of conditional type assignment.
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# Maybe there is a better way to annotate this rather than type: ignore.
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DFM = DFM_dummy # type: ignore
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