[SciPy-Dev] lgmres tolerance

[marc]

Dear Scipy developers,

I have a question regarding the tolerance of the lgmres function. From 
the documentation, it is written,

*tol* : float, optional

    Tolerance to achieve. The algorithm terminates when either the
    relative or the absolute residual is below /tol/.



For technical issues, I would like the algorithm to ignore the relative 
residual and to terminates only when the absolute residual is below tol.
Do there is a way to do this?

Best regards,
Marc Barbry
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