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#-------------------------------------------------------------------------------
# SPEX/Python/SPEXpy/SPEX_error.py: class SPEX_error
#-------------------------------------------------------------------------------
# SPEX: (c) 2022-2024, Christopher Lourenco, Jinhao Chen,
# Lorena Mejia Domenzain, Erick Moreno-Centeno, and Timothy A. Davis.
# All Rights Reserved.
# SPDX-License-Identifier: GPL-2.0-or-later or LGPL-3.0-or-later
#------------------------------------------------------------------------------
class SPEX_error(LookupError):
'''raise this when there's a lookup error for spex'''
def determine_error(ok):
errorMessages={
1:"out of memory",
2:"the input matrix A is singular",
3:"one or more input arguments are incorrect",
4:"the input matrix is not symmetric possitive definite",
5:"the algorithm is not compatible with the factorization",
6:"SPEX used without proper initialization",
7: "the input matrix has a zero in the diagonal",
8: "the input matrix is not symmetric",
}
return errorMessages.get(ok*(-1))
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