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Patch from Christof Voemel, ETH Zurich.
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I would like to make a small change  in dlarrd/slarrd/_larrd.f.base so that the
code deals better with certain matrices from Godunov.

Could you please replace in those files the lines, after label 40,
            GL = GL - FUDGE*SPDIAM*EPS*IN - FUDGE*PIVMIN
            GU = GU + FUDGE*SPDIAM*EPS*IN + FUDGE*PIVMIN

by
            GL = GL - FUDGE*TNORM*EPS*IN - FUDGE*PIVMIN
            GU = GU + FUDGE*TNORM*EPS*IN + FUDGE*PIVMIN

(Exchange SPDIAM to TNORM).
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