Function init process

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MBSim Functions are now derived from Element to be able to call init(...) and 
initializeUsingXML(...) on these! Also getPath() is available with this change 
on Functions.

However this requires f->setParent(this) and f->init(stage) (and maybe 
f->setName(...)) to be called whenever a object containing a function f was 
created, initialized, ...

This is already done for most of the code except the following classes and/or 
files:
constitutive_laws.*
lcp_reformulation_functions.*
damping_functions.*
newton_method_jacobian_functions.*
criteria_functions.*
multi_dimensional_*_solver.*
nonlinear_algebra.*
piecewise_polynom_function.*
GeneralizedVelocityConstraint
GeneralizedAccelerationConstraint
Residuum
GeneralizedVelocityExcitation
GeneralizedAccelerationExcitation

Some of these classes are itself not derived from Element. This may be 
inconsistent or even incorrect and must be checked/fixed.

Original issue reported on code.google.com by friedrich.at.gc@googlemail.com on 15 Nov 2014 at 7:54

[GoogleCodeExporter]

The following files are already changed (see r3475)

constraint.*
constitutive_laws.*

More changes will follow ...

Original comment by martin.o...@googlemail.com on 16 Nov 2014 at 11:33

• Changed state: Accepted

[GoogleCodeExporter]

OK. I have not looked in detail in r3475. But this is good so.

Original comment by friedrich.at.gc@googlemail.com on 16 Nov 2014 at 4:00

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The file kinematic_excitation.* has been changed (see r3490).

In the rest of the files only internal functions are concerned which are not 
part of the modelling, e.g. multi_dimensional_*_solver.*. An initialization by 
init(stage) seems not to be necessary. 

Hence I would close this issue.

Original comment by martin.o...@googlemail.com on 16 Nov 2014 at 6:05

[GoogleCodeExporter]

Original comment by friedrich.at.gc@googlemail.com on 17 Nov 2014 at 9:43

• Changed state: Fixed