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Representations for given data, such as initial and boundary conditions and source terms.
Copyright: Copyright (C) 2007 Andreas Kloeckner
License: This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see U{http://www.gnu.org/licenses/}.


_ConstantFunctionContainer  
IGivenFunction Abstract interface for obtaining interpolants of timeindependent functions. 

ITimeDependentGivenFunction Abstract interface for obtaining interpolants of timedependent functions. 

GivenFunction Adapter for a function f(x) into an IGivenFunction. 

ConstantGivenFunction A GivenFunction that has a constant value on all space. 

GivenVolumeInterpolant A constantvalued GivenFunction. 

TimeConstantGivenFunction Adapts a GivenFunction to have a (formal) timedependency, being constant over all time. 

TimeHarmonicGivenFunction Adapts an IGivenFunction to have a harmonic timedependency. 

TimeIntervalGivenFunction Adapts an IGivenFunction to depend on time by "turning it on" for the time interval [on_time, off_time), and having it be zero the rest of the time. 

TimeDependentGivenFunction Adapts a function f(x,t) into the GivenFunction framework. 



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