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Improve algorithms for selection of multi-adaptive time steps: [...]

To: dolfin-dev@xxxxxxxxxx
From: dolfin@xxxxxxxxxx
Date: Fri, 22 Apr 2005 00:54:33 +0200
Reply-to: Discussion of DOLFIN development <dolfin-dev@xxxxxxxxxx>
Sender: Anders Logg <logg@xxxxxxxxxx>

Commit from logg (2005-04-22 00:54 CEST)
----------------

Improve algorithms for selection of multi-adaptive time steps:

- New improved predictor for new time step
- Avoid small time steps at end of time slabs (fill in)
- Regulate on previous regulator step (not modified for slab)

  dolfin  src/demo/bench/ode/main.cpp                1.34
  dolfin  src/demo/solvers/ode/test/main.cpp         1.56
+ dolfin  src/demo/solvers/ode/test/plottimesteps.m  1.1
  dolfin  src/kernel/ode/MonoAdaptiveTimeSlab.cpp    1.20
  dolfin  src/kernel/ode/MonoAdaptivity.cpp          1.3
  dolfin  src/kernel/ode/MultiAdaptiveTimeSlab.cpp   1.26
  dolfin  src/kernel/ode/MultiAdaptivity.cpp         1.3
  dolfin  src/kernel/ode/NewPartition.cpp            1.5
  dolfin  src/kernel/ode/NewcGqMethod.cpp            1.11
  dolfin  src/kernel/ode/NewdGqMethod.cpp            1.10
  dolfin  src/kernel/ode/Regulator.cpp               1.11
  dolfin  src/kernel/ode/dolfin/MonoAdaptivity.h     1.3
  dolfin  src/kernel/ode/dolfin/MultiAdaptivity.h    1.3
  dolfin  src/kernel/ode/dolfin/NewMethod.h          1.4
  dolfin  src/kernel/ode/dolfin/NewPartition.h       1.4
  dolfin  src/kernel/ode/dolfin/NewcGqMethod.h       1.4
  dolfin  src/kernel/ode/dolfin/NewdGqMethod.h       1.4
  dolfin  src/kernel/ode/dolfin/Regulator.h          1.7