[newton] Implementation of absolute residual criterion

See merge request !249

Martin Schneider authored 8 years ago and Timo Koch committed 8 years ago

This implements an absolute residual criterion, where
convergence is declared if the residual is below
the MaxAbsoluteResidual tolerance.

[io] Use "using std::pow"

See merge request !404

[fix/mpnc-energy-localresidual] Add missing semicolon

See merge request !405

Gridcreator fix ranges

See merge request !397

Simplified treatment of gradingFactor, so all numbers including -1 can be used.
Replaced reverse by increasingCellSize, which is more descriptive.

Feature/pieceofcake

See merge request !354

[io] Fix header include

See merge request !398

Did not compile, typecasting failed
Fix warnings for shadowed variable
Fix indentation

Removed Yasp from test
Updated descriptions
Removed unnecessary blank lines, corrected indentation

[cmake] Add module to find pvpython, which can be used to run postprocessing scripts

See merge request !393

[cleanup] Harmonize logical operators

See merge request !346

Replace and by &&, not by !, or by ||

Feature/allow adl for std mathfunctions

Closes #328

See merge request !364