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Fix bug in new fixed point iteration: take absolute value of increment.

To: dolfin-dev@xxxxxxxxxx
From: dolfin@xxxxxxxxxx
Date: Thu, 13 Jan 2005 18:05:57 +0100
Reply-to: Discussion of DOLFIN development <dolfin-dev@xxxxxxxxxx>
Sender: Anders Logg <logg@xxxxxxxxxx>

Commit from logg (2005-01-13 18:05 CET)
----------------

Fix bug in new fixed point iteration: take absolute value of increment.

  dolfin  src/demo/solvers/ode/lorenz/main.cpp  1.8
  dolfin  src/kernel/ode/NewMethod.cpp          1.3
  dolfin  src/kernel/ode/NewTimeSlab.cpp        1.11
  dolfin  src/kernel/ode/NonStiffIteration.cpp  1.23