39 lines
1.0 KiB
Julia
39 lines
1.0 KiB
Julia
# This file is a part of Julia. License is MIT: https://julialang.org/license
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export LAPACKException,
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ARPACKException,
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SingularException,
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PosDefException,
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RankDeficientException
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mutable struct LAPACKException <: Exception
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info::BlasInt
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end
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mutable struct ARPACKException <: Exception
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info::String
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end
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function ARPACKException(i::Integer)
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if i == -8
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return ARPACKException("error return from calculation of a real Schur form.")
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elseif i == -9
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return ARPACKException("error return from calculation of eigenvectors.")
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elseif i == -14
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return ARPACKException("did not find any eigenvalues to sufficient accuracy. Try with a different starting vector or more Lanczos vectors by increasing the value of ncv.")
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end
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return ARPACKException("unspecified ARPACK error: $i")
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end
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mutable struct SingularException <: Exception
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info::BlasInt
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end
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mutable struct PosDefException <: Exception
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info::BlasInt
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end
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mutable struct RankDeficientException <: Exception
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info::BlasInt
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end
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