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(* Copyright 2012 Ian Hinder
This file is part of Kranc.
Kranc 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 2 of the License, or
(at your option) any later version.
Kranc 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 Kranc; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
BeginPackage["Calculation`", {"Errors`", "Helpers`", "Kranc`", "KrancGroups`",
"MapLookup`","Differencing`"}];
InputGridFunctions;
OutputGridFunctions;
AllGridFunctions;
GetCalculationName;
GetEquations;
GetCalculationParameters;
CalculationStencilSize;
CalculationOnDevice;
GetCalculationWhere;
Begin["`Private`"];
DefFn[
GetGridFunctions[calc_List] :=
Module[
{eqs,rhss,lhss,gfs,gfsInRHS,gfsInLHS},
eqs = GetEquations[calc];
rhss = Map[#[[2]] &, eqs];
lhss = Map[#[[1]] &, eqs];
gfs = allGroupVariables[lookup[calc,Groups]];
gfsInRHS = Union[Cases[rhss, _ ? (MemberQ[gfs,#] &), Infinity]];
gfsInLHS = Union[Cases[lhss, _ ? (MemberQ[gfs,#] &), Infinity]];
{gfsInLHS, gfsInRHS}]];
DefFn[
InputGridFunctions[calc_List] :=
Last[GetGridFunctions[calc]]];
DefFn[
OutputGridFunctions[calc_List] :=
First[GetGridFunctions[calc]]];
DefFn[
AllGridFunctions[calc_List] :=
Union@@GetGridFunctions[calc]];
(* This is from the user's input calculation, not after processing/optimisation *)
DefFn[
GetEquations[calc_List] :=
lookup[calc,Equations]];
DefFn[
GetPartialDerivatives[calc_List] :=
lookup[calc,PartialDerivatives]];
DefFn[
GetCalculationParameters[calc_List] :=
Module[
{syms,pdSyms,params},
syms = Cases[GetEquations[calc], _?AtomQ|_String, {-1}];
pdSyms = Cases[GetPartialDerivatives[calc], _?AtomQ|_String, {-1}];
params = lookup[calc,Parameters];
Intersection[params,Join[syms,pdSyms]]]];
DefFn[
GetCalculationName[calc_List] :=
lookup[calc,Name]];
DefFn[
GetCalculationWhere[calc_List] :=
lookup[calc,Where, Everywhere]];
DefFn[
CalculationStencilSize[calc_List] :=
Module[
{pddefs,eqs},
pddefs = lookup[calc, PartialDerivatives, {}];
eqs = lookup[calc, Equations];
StencilSize[pddefs, eqs, "not needed", {} (*ZeroDimensions*)]]];
DefFn[
CalculationOnDevice[calc_List] :=
lookup[calc, ExecuteOn] === Device];
End[];
EndPackage[];
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