68 lines
1.3 KiB
Python
68 lines
1.3 KiB
Python
"""
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Module to define exceptions to be used in sympy.polys.matrices modules and
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classes.
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Ideally all exceptions raised in these modules would be defined and documented
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here and not e.g. imported from matrices. Also ideally generic exceptions like
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ValueError/TypeError would not be raised anywhere.
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"""
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class DMError(Exception):
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"""Base class for errors raised by DomainMatrix"""
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pass
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class DMBadInputError(DMError):
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"""list of lists is inconsistent with shape"""
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pass
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class DMDomainError(DMError):
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"""domains do not match"""
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pass
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class DMNotAField(DMDomainError):
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"""domain is not a field"""
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pass
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class DMFormatError(DMError):
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"""mixed dense/sparse not supported"""
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pass
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class DMNonInvertibleMatrixError(DMError):
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"""The matrix in not invertible"""
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pass
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class DMRankError(DMError):
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"""matrix does not have expected rank"""
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pass
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class DMShapeError(DMError):
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"""shapes are inconsistent"""
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pass
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class DMNonSquareMatrixError(DMShapeError):
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"""The matrix is not square"""
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pass
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class DMValueError(DMError):
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"""The value passed is invalid"""
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pass
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__all__ = [
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'DMError', 'DMBadInputError', 'DMDomainError', 'DMFormatError',
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'DMRankError', 'DMShapeError', 'DMNotAField',
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'DMNonInvertibleMatrixError', 'DMNonSquareMatrixError', 'DMValueError'
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]
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