[Commits] [barrywardell/EinsteinExact] f5418a: Calculate solution errors

[Erik Schnetter]

  Branch: refs/heads/master
  Home:   https://github.com/barrywardell/EinsteinExact
  Commit: f5418a222d5ba8215591ab58ed8b1e6e5f90a2f7
      https://github.com/barrywardell/EinsteinExact/commit/f5418a222d5ba8215591ab58ed8b1e6e5f90a2f7
  Author: Erik Schnetter <schnetter at gmail.com>
  Date:   2014-03-15 (Sat, 15 Mar 2014)

  Changed paths:
    M m/EinsteinExact.m

  Log Message:
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  Calculate solution errors

In addition to setting up initial conditions and setting the solution all the time, offer to calculate the solution error as analysis quantity.

The implementation is straightforward, only two implementation choices are non-trivial:
- Calculating the solution error is implemented by transforming (via pattern matching) the calculation that sets up the solution
- By default, the solution error is not calculated; a keyword parameter "error_method" needs to be set to activate this.