/
BackendDAEOptimize.mo
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BackendDAEOptimize.mo
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/*
* This file is part of OpenModelica.
*
* Copyright (c) 1998-2014, Open Source Modelica Consortium (OSMC),
* c/o Linköpings universitet, Department of Computer and Information Science,
* SE-58183 Linköping, Sweden.
*
* All rights reserved.
*
* THIS PROGRAM IS PROVIDED UNDER THE TERMS OF GPL VERSION 3 LICENSE OR
* THIS OSMC PUBLIC LICENSE (OSMC-PL) VERSION 1.2.
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THIS PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THE OSMC PUBLIC LICENSE OR THE GPL VERSION 3,
* ACCORDING TO RECIPIENTS CHOICE.
*
* The OpenModelica software and the Open Source Modelica
* Consortium (OSMC) Public License (OSMC-PL) are obtained
* from OSMC, either from the above address,
* from the URLs: http://www.ida.liu.se/projects/OpenModelica or
* http://www.openmodelica.org, and in the OpenModelica distribution.
* GNU version 3 is obtained from: http://www.gnu.org/copyleft/gpl.html.
*
* This program is distributed WITHOUT ANY WARRANTY; without
* even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE, EXCEPT AS EXPRESSLY SET FORTH
* IN THE BY RECIPIENT SELECTED SUBSIDIARY LICENSE CONDITIONS OF OSMC-PL.
*
* See the full OSMC Public License conditions for more details.
*
*/
encapsulated package BackendDAEOptimize
" file: BackendDAEOptimize.mo
package: BackendDAEOptimize
description: BackendDAEOptimize contains functions that do some kind of
optimazation on the BackendDAE datatype:
- removing simpleEquations
- Tearing/Relaxation
- Linearization
- Inline Integration
- and so on ...
RCS: $Id$"
public import Absyn;
public import BackendDAE;
public import DAE;
public import FCore;
public import FGraph;
public import HashTable2;
protected import Algorithm;
protected import BackendDAETransform;
protected import BackendDAEUtil;
protected import BackendDump;
protected import BackendEquation;
protected import BackendVarTransform;
protected import BackendVariable;
protected import BaseHashSet;
protected import BaseHashTable;
protected import Ceval;
protected import CheckModel;
protected import ClassInf;
protected import Config;
protected import ComponentReference;
protected import DAEUtil;
protected import Debug;
protected import Differentiate;
protected import Expression;
protected import ExpressionDump;
protected import ExpressionSolve;
protected import ExpressionSimplify;
protected import Error;
protected import Flags;
protected import Global;
protected import GlobalScript;
protected import Graph;
protected import HashSet;
protected import HashTableExpToIndex;
protected import IndexReduction;
protected import List;
protected import RewriteRules;
protected import SCode;
protected import SimCodeUtil;
protected import System;
protected import SynchronousFeatures;
protected import Types;
protected import Util;
protected import Values;
protected import ValuesUtil;
// =============================================================================
// simplify time independent function calls
//
// public functions:
// - simplifyTimeIndepFuncCalls
// =============================================================================
public function simplifyTimeIndepFuncCalls "author: Frenkel TUD 2012-06
pre(param) -> param
der(param) -> 0.0
change(param) -> false
edge(param) -> false"
input BackendDAE.BackendDAE inDAE;
output BackendDAE.BackendDAE outDAE;
algorithm
(outDAE,_) := BackendDAEUtil.mapEqSystemAndFold(inDAE,simplifyTimeIndepFuncCalls0,false);
outDAE := simplifyTimeIndepFuncCallsShared(outDAE);
end simplifyTimeIndepFuncCalls;
protected function simplifyTimeIndepFuncCalls0 "author: Frenkel TUD 2012-06"
input BackendDAE.EqSystem isyst;
input tuple<BackendDAE.Shared,Boolean> sharedChanged;
output BackendDAE.EqSystem osyst;
output tuple<BackendDAE.Shared,Boolean> osharedChanged;
algorithm
(osyst,osharedChanged) :=
matchcontinue(isyst,sharedChanged)
local
BackendDAE.Variables orderedVars,knvars,aliasvars;
BackendDAE.EquationArray orderedEqs;
Option<BackendDAE.IncidenceMatrix> m;
Option<BackendDAE.IncidenceMatrixT> mT;
BackendDAE.Matching matching;
BackendDAE.Shared shared;
BackendDAE.StateSets stateSets;
BackendDAE.BaseClockPartitionKind partitionKind;
case (BackendDAE.EQSYSTEM(orderedVars,orderedEqs,m,mT,matching,stateSets,partitionKind),(shared as BackendDAE.SHARED(knownVars = knvars,aliasVars = aliasvars), _))
equation
((_,(_,_,true))) = BackendDAEUtil.traverseBackendDAEExpsEqnsWithUpdate(orderedEqs,Expression.traverseSubexpressionsHelper,(traverserExpsimplifyTimeIndepFuncCalls,(knvars,aliasvars,false)));
then
(BackendDAE.EQSYSTEM(orderedVars,orderedEqs,m,mT,matching,stateSets,partitionKind),(shared,true));
else
(isyst,sharedChanged);
end matchcontinue;
end simplifyTimeIndepFuncCalls0;
protected function traverserExpsimplifyTimeIndepFuncCalls
input DAE.Exp inExp;
input tuple<BackendDAE.Variables,BackendDAE.Variables,Boolean> tpl;
output DAE.Exp outExp;
output tuple<BackendDAE.Variables,BackendDAE.Variables,Boolean> outTpl;
algorithm
(outExp,outTpl) := matchcontinue (inExp,tpl)
local
BackendDAE.Variables knvars,aliasvars;
DAE.Type tp;
DAE.Exp e,zero;
DAE.ComponentRef cr;
BackendDAE.Var var;
DAE.CallAttributes attr;
Boolean negate;
case (DAE.CALL(path=Absyn.IDENT(name = "der"),expLst={DAE.CREF(componentRef=cr,ty=tp)}),(knvars,aliasvars,_))
equation
(var::{},_) = BackendVariable.getVar(cr, knvars);
false = BackendVariable.isVarOnTopLevelAndInput(var);
(zero,_) = Expression.makeZeroExpression(Expression.arrayDimension(tp));
then
(zero,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "pre"),expLst={e as DAE.CREF(componentRef=cr)}),(knvars,aliasvars,_))
equation
(_::{},_) = BackendVariable.getVar(cr, knvars);
then
(e,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "pre"),expLst={e as DAE.CREF(componentRef=DAE.CREF_IDENT(ident="time"))}),(knvars,aliasvars,_))
then
(e,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "pre"),expLst={e as DAE.UNARY(DAE.UMINUS(_),DAE.CREF(componentRef=DAE.CREF_IDENT(ident="time")))}),(knvars,aliasvars,_))
then
(e,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "pre"),expLst={DAE.CREF(componentRef=cr,ty=tp)},attr=attr),(knvars,aliasvars,_))
equation
(var::{},_) = BackendVariable.getVar(cr, aliasvars);
(cr,negate) = BackendVariable.getAlias(var);
e = DAE.CREF(cr,tp);
e = Debug.bcallret1(negate,Expression.negate,e,e);
(e,_) = ExpressionSimplify.simplify(DAE.CALL(Absyn.IDENT("pre"),{e},attr));
(e,_) = Expression.traverseExp(e,traverserExpsimplifyTimeIndepFuncCalls,(knvars,aliasvars,false));
then
(e,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "change"),expLst={DAE.CREF(componentRef=cr,ty=tp)}),(knvars,aliasvars,_))
equation
(_::_,_) = BackendVariable.getVar(cr, knvars);
zero = Expression.arrayFill(Expression.arrayDimension(tp),DAE.BCONST(false));
then
(zero,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "change"),expLst={DAE.CREF(componentRef=cr,ty=tp)}),(knvars,aliasvars,_))
equation
(_::_,_) = BackendVariable.getVar(cr, aliasvars);
zero = Expression.arrayFill(Expression.arrayDimension(tp),DAE.BCONST(false));
then (zero,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "change"),expLst={DAE.CREF(componentRef=DAE.CREF_IDENT(ident="time"))}),(knvars,aliasvars,_))
then (DAE.BCONST(false),(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "change"),expLst={DAE.CREF(componentRef=cr,ty=tp)},attr=attr),(knvars,aliasvars,_))
equation
(var::{},_) = BackendVariable.getVar(cr, aliasvars);
(cr,negate) = BackendVariable.getAlias(var);
e = DAE.CREF(cr,tp);
e = Debug.bcallret1(negate,Expression.negate,e,e);
(e,_) = ExpressionSimplify.simplify(DAE.CALL(Absyn.IDENT("change"),{e},attr));
(e,_) = Expression.traverseExp(e,traverserExpsimplifyTimeIndepFuncCalls,(knvars,aliasvars,false));
then (e,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "edge"),expLst={DAE.CREF(componentRef=cr,ty=tp)}),(knvars,aliasvars,_))
equation
(_::{},_) = BackendVariable.getVar(cr, knvars);
zero = Expression.arrayFill(Expression.arrayDimension(tp),DAE.BCONST(false));
then (zero,(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "edge"),expLst={DAE.CREF(componentRef=DAE.CREF_IDENT(ident="time"))}),(knvars,aliasvars,_))
then (DAE.BCONST(false),(knvars,aliasvars,true));
case (DAE.CALL(path=Absyn.IDENT(name = "edge"),expLst={DAE.CREF(componentRef=cr,ty=tp)},attr=attr),(knvars,aliasvars,_))
equation
(var::{},_) = BackendVariable.getVar(cr, aliasvars);
(cr,negate) = BackendVariable.getAlias(var);
e = DAE.CREF(cr,tp);
e = Debug.bcallret1(negate,Expression.negate,e,e);
(e,_) = ExpressionSimplify.simplify(DAE.CALL(Absyn.IDENT("edge"),{e},attr));
(e,_) = Expression.traverseExp(e,traverserExpsimplifyTimeIndepFuncCalls,(knvars,aliasvars,false));
then (e,(knvars,aliasvars,true));
else (inExp,tpl);
end matchcontinue;
end traverserExpsimplifyTimeIndepFuncCalls;
protected function simplifyTimeIndepFuncCallsShared "pre(param) -> param
der(param) -> 0.0
change(param) -> false
edge(param) -> false
author: Frenkel TUD 2012-06"
input BackendDAE.BackendDAE inDAE;
output BackendDAE.BackendDAE outDAE;
algorithm
outDAE:= match (inDAE)
local
BackendDAE.Variables knvars,exobj,aliasVars;
BackendDAE.EquationArray remeqns,inieqns;
list<DAE.Constraint> constrs;
list<DAE.ClassAttributes> clsAttrs;
FCore.Cache cache;
FCore.Graph graph;
DAE.FunctionTree funcTree;
BackendDAE.ExternalObjectClasses eoc;
BackendDAE.SymbolicJacobians symjacs;
BackendDAE.EventInfo eventInfo;
BackendDAE.BackendDAEType btp;
BackendDAE.EqSystems systs;
BackendDAE.ExtraInfo ei;
case (BackendDAE.DAE(systs,BackendDAE.SHARED(knvars,exobj,aliasVars,inieqns,remeqns,constrs,clsAttrs,cache,graph,funcTree,eventInfo,eoc,btp,symjacs,ei)))
equation
_ = BackendDAEUtil.traverseBackendDAEExpsVarsWithUpdate(knvars,Expression.traverseSubexpressionsHelper,(traverserExpsimplifyTimeIndepFuncCalls,(knvars,aliasVars,false)));
_ = BackendDAEUtil.traverseBackendDAEExpsEqnsWithUpdate(inieqns,Expression.traverseSubexpressionsHelper,(traverserExpsimplifyTimeIndepFuncCalls,(knvars,aliasVars,false)));
_ = BackendDAEUtil.traverseBackendDAEExpsEqnsWithUpdate(remeqns,Expression.traverseSubexpressionsHelper,(traverserExpsimplifyTimeIndepFuncCalls,(knvars,aliasVars,false)));
(eventInfo,_) = traverseEventInfoExps(eventInfo,Expression.traverseSubexpressionsHelper,(traverserExpsimplifyTimeIndepFuncCalls,(knvars,aliasVars,false)));
then
BackendDAE.DAE(systs,BackendDAE.SHARED(knvars,exobj,aliasVars,inieqns,remeqns,constrs,clsAttrs,cache,graph,funcTree,eventInfo,eoc,btp,symjacs,ei));
end match;
end simplifyTimeIndepFuncCallsShared;
protected function traverseEventInfoExps
replaceable type Type_a subtypeof Any;
input BackendDAE.EventInfo iEventInfo;
input FuncExpType func;
input Type_a inTypeA;
output BackendDAE.EventInfo oEventInfo;
output Type_a outTypeA;
partial function FuncExpType
input DAE.Exp inExp;
input Type_a inTypeA;
output DAE.Exp outExp;
output Type_a outA;
end FuncExpType;
protected
list<BackendDAE.TimeEvent> timeEvents;
list<BackendDAE.WhenClause> whenClauseLst;
list<BackendDAE.ZeroCrossing> zeroCrossingLst,sampleLst,relationsLst;
Integer relationsNumber,numberMathEvents;
algorithm
BackendDAE.EVENT_INFO(timeEvents,whenClauseLst,zeroCrossingLst,sampleLst,relationsLst,relationsNumber,numberMathEvents) := iEventInfo;
(whenClauseLst,outTypeA) := traverseWhenClauseExps(whenClauseLst,func,inTypeA,{});
(zeroCrossingLst,outTypeA) := traverseZeroCrossingExps(zeroCrossingLst,func,outTypeA,{});
(sampleLst,outTypeA) := traverseZeroCrossingExps(sampleLst,func,outTypeA,{});
(relationsLst,outTypeA) := traverseZeroCrossingExps(relationsLst,func,outTypeA,{});
oEventInfo := BackendDAE.EVENT_INFO(timeEvents,whenClauseLst,zeroCrossingLst,sampleLst,relationsLst,relationsNumber,numberMathEvents);
end traverseEventInfoExps;
protected function traverseWhenClauseExps
replaceable type Type_a subtypeof Any;
input list<BackendDAE.WhenClause> iWhenClauses;
input FuncExpType func;
input Type_a inTypeA;
input list<BackendDAE.WhenClause> iAcc;
output list<BackendDAE.WhenClause> oWhenClauses;
output Type_a outTypeA;
partial function FuncExpType
input DAE.Exp inExp;
input Type_a inTypeA;
output DAE.Exp outExp;
output Type_a outA;
end FuncExpType;
algorithm
(oWhenClauses,outTypeA) := match(iWhenClauses,func,inTypeA,iAcc)
local
list<BackendDAE.WhenClause> whenClause;
DAE.Exp condition;
list<BackendDAE.WhenOperator> reinitStmtLst;
Option<Integer> elseClause;
Type_a arg;
case({},_,_,_) then (listReverse(iAcc),inTypeA);
case(BackendDAE.WHEN_CLAUSE(condition,reinitStmtLst,elseClause)::whenClause,_,_,_)
equation
(condition,arg) = Expression.traverseExp(condition,func,inTypeA);
(whenClause,arg) = traverseWhenClauseExps(whenClause,func,arg,BackendDAE.WHEN_CLAUSE(condition,reinitStmtLst,elseClause)::iAcc);
then
(whenClause,arg);
end match;
end traverseWhenClauseExps;
protected function traverseZeroCrossingExps
replaceable type Type_a subtypeof Any;
input list<BackendDAE.ZeroCrossing> iZeroCrossing;
input FuncExpType func;
input Type_a inTypeA;
input list<BackendDAE.ZeroCrossing> iAcc;
output list<BackendDAE.ZeroCrossing> oZeroCrossing;
output Type_a outTypeA;
partial function FuncExpType
input DAE.Exp inExp;
input Type_a inTypeA;
output DAE.Exp outExp;
output Type_a outA;
end FuncExpType;
algorithm
(oZeroCrossing,outTypeA) := match(iZeroCrossing,func,inTypeA,iAcc)
local
list<BackendDAE.ZeroCrossing> zeroCrossing;
DAE.Exp relation_;
list<Integer> occurEquLst,occurWhenLst;
Type_a arg;
case({},_,_,_) then (listReverse(iAcc),inTypeA);
case(BackendDAE.ZERO_CROSSING(relation_,occurEquLst,occurWhenLst)::zeroCrossing,_,_,_)
equation
(relation_,arg) = Expression.traverseExp(relation_,func,inTypeA);
(zeroCrossing,arg) = traverseZeroCrossingExps(zeroCrossing,func,arg,BackendDAE.ZERO_CROSSING(relation_,occurEquLst,occurWhenLst)::iAcc);
then
(zeroCrossing,arg);
end match;
end traverseZeroCrossingExps;
// =============================================================================
// =============================================================================
protected function traverseIncidenceMatrix "author: Frenkel TUD 2010-12"
replaceable type Type_a subtypeof Any;
input BackendDAE.IncidenceMatrix inM;
input FuncType func;
input Type_a inTypeA;
output BackendDAE.IncidenceMatrix outM;
output Type_a outTypeA;
partial function FuncType
input tuple<BackendDAE.IncidenceMatrixElement,Integer,BackendDAE.IncidenceMatrix,Type_a> inTpl;
output tuple<list<Integer>,BackendDAE.IncidenceMatrix,Type_a> outTpl;
end FuncType;
algorithm
(outM,outTypeA) := traverseIncidenceMatrix1(inM,func,1,arrayLength(inM),inTypeA);
end traverseIncidenceMatrix;
protected function traverseIncidenceMatrix1 "author: Frenkel TUD 2010-12"
replaceable type Type_a subtypeof Any;
input BackendDAE.IncidenceMatrix inM;
input FuncType func;
input Integer pos "iterated 1..len";
input Integer len "length of array";
input Type_a inTypeA;
output BackendDAE.IncidenceMatrix outM;
output Type_a outTypeA;
partial function FuncType
input tuple<BackendDAE.IncidenceMatrixElement,Integer,BackendDAE.IncidenceMatrix,Type_a> inTpl;
output tuple<list<Integer>,BackendDAE.IncidenceMatrix,Type_a> outTpl;
end FuncType;
algorithm
(outM,outTypeA) := traverseIncidenceMatrix2(inM,func,pos,len,intGt(pos,len),inTypeA);
annotation(__OpenModelica_EarlyInline = true);
end traverseIncidenceMatrix1;
protected function traverseIncidenceMatrix2
" author: Frenkel TUD 2010-12"
replaceable type Type_a subtypeof Any;
input BackendDAE.IncidenceMatrix inM;
input FuncType func;
input Integer pos "iterated 1..len";
input Integer len "length of array";
input Boolean stop;
input Type_a inTypeA;
output BackendDAE.IncidenceMatrix outM;
output Type_a outTypeA;
partial function FuncType
input tuple<BackendDAE.IncidenceMatrixElement,Integer,BackendDAE.IncidenceMatrix,Type_a> inTpl;
output tuple<list<Integer>,BackendDAE.IncidenceMatrix,Type_a> outTpl;
end FuncType;
algorithm
(outM,outTypeA) := match (inM,func,pos,len,stop,inTypeA)
local
BackendDAE.IncidenceMatrix m,m1,m2;
Type_a extArg,extArg1,extArg2;
list<Integer> eqns,eqns1;
case(_,_,_,_,true,_)
then (inM,inTypeA);
case(_,_,_,_,false,_)
equation
((eqns,m,extArg)) = func((inM[pos],pos,inM,inTypeA));
eqns1 = List.removeOnTrue(pos,intLt,eqns);
(m1,extArg1) = traverseIncidenceMatrixList(eqns1,m,func,arrayLength(m),pos,extArg);
(m2,extArg2) = traverseIncidenceMatrix2(m1,func,pos+1,len,intGt(pos+1,len),extArg1);
then (m2,extArg2);
end match;
end traverseIncidenceMatrix2;
protected function traverseIncidenceMatrixList
" author: Frenkel TUD 2011-04"
replaceable type Type_a subtypeof Any;
input list<Integer> inLst "elements to traverse";
input BackendDAE.IncidenceMatrix inM;
input FuncType func;
input Integer len "length of array";
input Integer maxpos "do not go further than this position";
input Type_a inTypeA;
output BackendDAE.IncidenceMatrix outM;
output Type_a outTypeA;
partial function FuncType
input tuple<BackendDAE.IncidenceMatrixElement,Integer,BackendDAE.IncidenceMatrix,Type_a> inTpl;
output tuple<list<Integer>,BackendDAE.IncidenceMatrix,Type_a> outTpl;
end FuncType;
algorithm
(outM,outTypeA) := matchcontinue(inLst,inM,func,len,maxpos,inTypeA)
local
BackendDAE.IncidenceMatrix m,m1;
Type_a extArg,extArg1;
list<Integer> rest,eqns,eqns1,alleqns;
Integer pos;
case({},_,_,_,_,_) then (inM,inTypeA);
case(pos::rest,_,_,_,_,_) equation
// do not leave the list
true = intLt(pos,len+1);
// do not more than necesary
true = intLt(pos,maxpos);
((eqns,m,extArg)) = func((inM[pos],pos,inM,inTypeA));
eqns1 = List.removeOnTrue(maxpos,intLt,eqns);
alleqns = List.unionOnTrueList({rest, eqns1},intEq);
(m1,extArg1) = traverseIncidenceMatrixList(alleqns,m,func,len,maxpos,extArg);
then (m1,extArg1);
case(pos::rest,_,_,_,_,_) equation
// do not leave the list
true = intLt(pos,len+1);
(m,extArg) = traverseIncidenceMatrixList(rest,inM,func,len,maxpos,inTypeA);
then (m,extArg);
case (_,_,_,_,_,_)
equation
Debug.fprintln(Flags.FAILTRACE, "- BackendDAEOptimize.traverseIncidenceMatrixList failed");
then
fail();
end matchcontinue;
end traverseIncidenceMatrixList;
protected function toplevelInputOrUnfixed
input BackendDAE.Var inVar;
output Boolean b;
algorithm
b := BackendVariable.isVarOnTopLevelAndInput(inVar) or
BackendVariable.isParam(inVar) and not BackendVariable.varFixed(inVar);
end toplevelInputOrUnfixed;
protected function traversingTimeEqnsFinder "author: Frenkel 2010-12"
input DAE.Exp inExp;
input tuple<Boolean,BackendDAE.Variables,BackendDAE.Variables,Boolean,Boolean> inTpl;
output DAE.Exp outExp;
output Boolean continue;
output tuple<Boolean,BackendDAE.Variables,BackendDAE.Variables,Boolean,Boolean> outTpl;
algorithm
(outExp,continue,outTpl) := matchcontinue (inExp,inTpl)
local
DAE.Exp e;
Boolean b,b1,b2;
BackendDAE.Variables vars,knvars;
DAE.ComponentRef cr;
BackendDAE.Var var;
list<BackendDAE.Var> vlst;
case (e as DAE.CREF(DAE.CREF_IDENT(ident = "time",subscriptLst = {}),_), (_,vars,knvars,b1,b2))
then (e,false,(true,vars,knvars,b1,b2));
// inputs not constant and parameter(fixed=false) are constant but evaluated after konstant variables are evaluted
case (e as DAE.CREF(cr,_), (_,vars,knvars,b1,b2))
equation
(vlst,_::_)= BackendVariable.getVar(cr, knvars) "input variables stored in known variables are input on top level";
false = List.mapAllValueBool(vlst,toplevelInputOrUnfixed,false);
then (e,false,(true,vars,knvars,b1,b2));
case (e as DAE.CALL(path = Absyn.IDENT(name = "sample"), expLst = {_,_,_}), (_,vars,knvars,b1,b2)) then (e,false,(true,vars,knvars,b1,b2));
case (e as DAE.CALL(path = Absyn.IDENT(name = "pre"), expLst = {_}), (_,vars,knvars,b1,b2)) then (e,false,(true,vars,knvars,b1,b2));
case (e as DAE.CALL(path = Absyn.IDENT(name = "change"), expLst = {_}), (_,vars,knvars,b1,b2)) then (e,false,(true,vars,knvars,b1,b2));
case (e as DAE.CALL(path = Absyn.IDENT(name = "edge"), expLst = {_}), (_,vars,knvars,b1,b2)) then (e,false,(true,vars,knvars,b1,b2));
// case for finding simple equation in jacobians
// there are all known variables mark as input
// and they are all time-depending
case (e as DAE.CREF(cr,_), (_,vars,knvars,true,b2))
equation
(var::_,_::_)= BackendVariable.getVar(cr, knvars);
DAE.INPUT() = BackendVariable.getVarDirection(var);
then (e,false,(true,vars,knvars,true,b2));
// unkown var
case (e as DAE.CREF(cr,_), (_,vars,knvars,b1,true))
equation
(_::_,_::_)= BackendVariable.getVar(cr, vars);
then (e,false,(true,vars,knvars,b1,true));
case (e,(b,vars,knvars,b1,b2)) then (e,not b,(b,vars,knvars,b1,b2));
end matchcontinue;
end traversingTimeEqnsFinder;
public function countSimpleEquations
"author: Frenkel TUD 2011-05
This function count the simple equations on the form a=b and a=const and a=f(not time)
in BackendDAE.BackendDAE. Note this functions does not use variable replacements, because
of this the number of simple equations is maybe smaller than using variable replacements."
input BackendDAE.BackendDAE inDlow;
input BackendDAE.IncidenceMatrix inM;
output Integer outSimpleEqns;
algorithm
outSimpleEqns:=
match (inDlow,inM)
local
BackendDAE.BackendDAE dlow;
BackendDAE.EquationArray eqns;
Integer n;
case (dlow,_)
equation
// check equations
(_,(_,n)) = traverseIncidenceMatrix(inM,countSimpleEquationsFinder,(dlow,0));
then n;
end match;
end countSimpleEquations;
protected function countSimpleEquationsFinder
"author: Frenkel TUD 2011-05"
input tuple<BackendDAE.IncidenceMatrixElement,Integer,BackendDAE.IncidenceMatrix, tuple<BackendDAE.BackendDAE,Integer>> inTpl;
output tuple<list<Integer>,BackendDAE.IncidenceMatrix, tuple<BackendDAE.BackendDAE,Integer>> outTpl;
algorithm
outTpl:=
matchcontinue (inTpl)
local
BackendDAE.IncidenceMatrixElement elem;
Integer pos,l,i,n,n_1;
BackendDAE.IncidenceMatrix m;
BackendDAE.BackendDAE dae;
BackendDAE.EqSystem syst;
BackendDAE.Shared shared;
case ((elem,pos,m,(dae as BackendDAE.DAE({syst},shared),n)))
equation
// check number of vars in eqns
l = listLength(elem);
true = intLt(l,3);
true = intGt(l,0);
countsimpleEquation(elem,l,pos,syst,shared);
n_1 = n+1;
then (({},m,(dae,n_1)));
case ((_,_,m,(dae,n)))
then (({},m,(dae,n)));
end matchcontinue;
end countSimpleEquationsFinder;
protected function countsimpleEquation
" author: Frenkel TUD 2011-05"
input BackendDAE.IncidenceMatrixElement elem;
input Integer length;
input Integer pos;
input BackendDAE.EqSystem syst;
input BackendDAE.Shared shared;
algorithm
_ := matchcontinue(elem,length,pos,syst,shared)
local
DAE.ComponentRef cr;
Integer i,j;
DAE.Exp es,cre,e1,e2;
BackendDAE.Variables vars,knvars;
BackendDAE.Var var;
BackendDAE.EquationArray eqns;
BackendDAE.Equation eqn;
Boolean negate;
DAE.ElementSource source;
// a = const
// wbraun:
// speacial case for Jacobains, since there are all known variablen
// time depending input variables
case ({i},_,_,_,BackendDAE.SHARED(backendDAEType = BackendDAE.JACOBIAN()))
equation
vars = BackendVariable.daeVars(syst);
var = BackendVariable.getVarAt(vars,intAbs(i));
// no State
false = BackendVariable.isStateorStateDerVar(var);
// try to solve the equation
eqns = BackendEquation.getEqnsFromEqSystem(syst);
eqn = BackendEquation.equationNth1(eqns,pos);
BackendDAE.EQUATION(exp=e1,scalar=e2) = eqn;
// variable time not there
knvars = BackendVariable.daeKnVars(shared);
(_,(false,_,_,_,_)) = Expression.traverseExpTopDown(e1, traversingTimeEqnsFinder, (false,vars,knvars,true,false));
(_,(false,_,_,_,_)) = Expression.traverseExpTopDown(e2, traversingTimeEqnsFinder, (false,vars,knvars,true,false));
cr = BackendVariable.varCref(var);
cre = Expression.crefExp(cr);
(_,{}) = ExpressionSolve.solve(e1,e2,cre);
then ();
// a = const
case ({i},_,_,_,_)
equation
vars = BackendVariable.daeVars(syst);
var = BackendVariable.getVarAt(vars,intAbs(i));
// no State
false = BackendVariable.isStateorStateDerVar(var);
// try to solve the equation
eqns = BackendEquation.getEqnsFromEqSystem(syst);
eqn = BackendEquation.equationNth1(eqns,pos);
BackendDAE.EQUATION(exp=e1,scalar=e2) = eqn;
// variable time not there
knvars = BackendVariable.daeKnVars(shared);
(_,(false,_,_,_,_)) = Expression.traverseExpTopDown(e1, traversingTimeEqnsFinder, (false,vars,knvars,false,false));
(_,(false,_,_,_,_)) = Expression.traverseExpTopDown(e2, traversingTimeEqnsFinder, (false,vars,knvars,false,false));
cr = BackendVariable.varCref(var);
cre = Expression.crefExp(cr);
(_,{}) = ExpressionSolve.solve(e1,e2,cre);
then ();
// a = der(b)
case ({_,_},_,_,_,_)
equation
eqns = BackendEquation.getEqnsFromEqSystem(syst);
eqn = BackendEquation.equationNth1(eqns,pos);
(cr,_,_,_,_) = BackendEquation.derivativeEquation(eqn);
// select candidate
vars = BackendVariable.daeVars(syst);
((_::_),(_::_)) = BackendVariable.getVar(cr,vars);
then ();
// a = b
case ({_,_},_,_,_,_)
equation
eqns = BackendEquation.getEqnsFromEqSystem(syst);
(eqn as BackendDAE.EQUATION(source=_)) = BackendEquation.equationNth1(eqns,pos);
_ = BackendEquation.aliasEquation(eqn);
then ();
end matchcontinue;
end countsimpleEquation;
// =============================================================================
// remove parameters stuff
//
// =============================================================================
public function removeParameters
"author wbraun"
input BackendDAE.BackendDAE inDAE;
output BackendDAE.BackendDAE outDAE;
algorithm
outDAE := match (inDAE)
local
BackendDAE.Variables knvars,exobj,knvars1,av;
BackendDAE.EquationArray remeqns,inieqns;
list<DAE.Constraint> constrs;
list<DAE.ClassAttributes> clsAttrs;
FCore.Cache cache;
FCore.Graph graph;
DAE.FunctionTree funcs;
BackendDAE.EventInfo einfo;
BackendDAE.ExternalObjectClasses eoc;
BackendDAE.SymbolicJacobians symjacs;
BackendVarTransform.VariableReplacements repl,repl1,repl2;
BackendDAE.BackendDAEType btp;
BackendDAE.EqSystems systs;
BackendDAE.ExtraInfo ei;
case (BackendDAE.DAE(systs,BackendDAE.SHARED(knvars,exobj,av,inieqns,remeqns,constrs,clsAttrs,cache,graph,funcs,einfo,eoc,btp,symjacs,ei)))
equation
repl = BackendVarTransform.emptyReplacements();
((repl1,_)) = BackendVariable.traverseBackendDAEVars(knvars,removeParametersFinder,(repl,knvars));
(knvars1,repl2) = replaceFinalVars(1,knvars,repl1);
(knvars1,repl2) = replaceFinalVars(1,knvars1,repl2);
Debug.fcall(Flags.DUMP_PARAM_REPL, BackendVarTransform.dumpReplacements, repl2);
systs= List.map1(systs,removeParameterswork,repl2);
then
BackendDAE.DAE(systs,BackendDAE.SHARED(knvars1,exobj,av,inieqns,remeqns,constrs,clsAttrs,cache,graph,funcs,einfo,eoc,btp,symjacs,ei));
end match;
end removeParameters;
protected function removeParameterswork
"author wbraun"
input BackendDAE.EqSystem isyst;
input BackendVarTransform.VariableReplacements repl;
output BackendDAE.EqSystem osyst;
algorithm
osyst := match (isyst,repl)
local
Option<BackendDAE.IncidenceMatrix> m,mT;
BackendDAE.Variables vars;
BackendDAE.EquationArray eqns,eqns1;
list<BackendDAE.Equation> eqns_1,lsteqns;
BackendDAE.Matching matching;
BackendDAE.StateSets stateSets;
BackendDAE.BaseClockPartitionKind partitionKind;
case (BackendDAE.EQSYSTEM(vars,eqns,_,_,matching,stateSets,partitionKind),_)
equation
lsteqns = BackendEquation.equationList(eqns);
(vars,_) = replaceFinalVars(1,vars,repl); // replacing variable attributes (e.g start) in unknown vars
(eqns_1,_) = BackendVarTransform.replaceEquations(lsteqns, repl,NONE());
eqns1 = BackendEquation.listEquation(eqns_1);
then
BackendDAE.EQSYSTEM(vars,eqns1,NONE(),NONE(),matching,stateSets,partitionKind);
end match;
end removeParameterswork;
protected function removeParametersFinder
input BackendDAE.Var inVar;
input tuple<BackendVarTransform.VariableReplacements,BackendDAE.Variables> inTpl;
output BackendDAE.Var outVar;
output tuple<BackendVarTransform.VariableReplacements,BackendDAE.Variables> outTpl;
algorithm
(outVar,outTpl) := matchcontinue (inVar,inTpl)
local
BackendDAE.Variables vars;
BackendDAE.Var v;
BackendVarTransform.VariableReplacements repl,repl_1;
DAE.ComponentRef varName;
Option< .DAE.VariableAttributes> values;
DAE.Exp exp,exp1;
Values.Value bindValue;
case (v as BackendDAE.VAR(varName=varName,varKind=BackendDAE.PARAM(),bindExp=SOME(exp)),(repl,vars))
equation
(exp1, _) = Expression.traverseExp(exp, BackendDAEUtil.replaceCrefsWithValues, (vars, varName));
repl_1 = BackendVarTransform.addReplacement(repl, varName, exp1,NONE());
then (v,(repl_1,vars));
case (v as BackendDAE.VAR(varName=varName,varKind=BackendDAE.PARAM(),bindValue=SOME(bindValue)),(repl,vars))
equation
exp = ValuesUtil.valueExp(bindValue);
repl_1 = BackendVarTransform.addReplacement(repl, varName, exp,NONE());
then (v,(repl_1,vars));
else (inVar,inTpl);
end matchcontinue;
end removeParametersFinder;
protected function replaceFinalVars
" author: Frenkel TUD 2011-04"
input Integer inNumRepl;
input BackendDAE.Variables inVars;
input BackendVarTransform.VariableReplacements inRepl;
output BackendDAE.Variables outVars;
output BackendVarTransform.VariableReplacements outRepl;
algorithm
(outVars,outRepl) := matchcontinue(inNumRepl,inVars,inRepl)
local
Integer numrepl;
BackendDAE.Variables knvars,knvars1,knvars2;
BackendVarTransform.VariableReplacements repl,repl1,repl2;
case(numrepl,knvars,repl)
equation
true = intEq(0,numrepl);
then (knvars,repl);
case(numrepl,knvars,repl)
equation
(knvars1,(repl1,numrepl)) = BackendVariable.traverseBackendDAEVarsWithUpdate(knvars,replaceFinalVarTraverser,(repl,0));
(knvars2,repl2) = replaceFinalVars(numrepl,knvars1,repl1);
then (knvars2,repl2);
end matchcontinue;
end replaceFinalVars;
protected function replaceFinalVarTraverser
input BackendDAE.Var inVar;
input tuple<BackendVarTransform.VariableReplacements,Integer> inTpl;
output BackendDAE.Var outVar;
output tuple<BackendVarTransform.VariableReplacements,Integer> outTpl;
algorithm
(outVar,outTpl) := matchcontinue (inVar,inTpl)
local
BackendDAE.Var v,v1;
BackendVarTransform.VariableReplacements repl,repl_1;
Integer numrepl;
DAE.Exp e,e1;
DAE.ComponentRef cr;
Option<DAE.VariableAttributes> attr,new_attr;
case (v as BackendDAE.VAR(varName=cr,bindExp=SOME(e),values=attr),(repl,numrepl))
equation
(e1,true) = BackendVarTransform.replaceExp(e, repl, NONE());
(e1,_) = ExpressionSimplify.simplify(e1);
v1 = BackendVariable.setBindExp(v, SOME(e1));
repl_1 = addConstExpReplacement(e1,cr,repl);
(attr,repl_1) = BackendDAEUtil.traverseBackendDAEVarAttr(attr,traverseExpVisitorWrapper,repl_1);
v1 = BackendVariable.setVarAttributes(v1,attr);
then (v1,(repl_1,numrepl+1));
case (v as BackendDAE.VAR(values=attr),(repl,numrepl))
equation
(new_attr,repl) = BackendDAEUtil.traverseBackendDAEVarAttr(attr,traverseExpVisitorWrapper,repl);
v1 = BackendVariable.setVarAttributes(v,new_attr);
then (v1,(repl,numrepl));
end matchcontinue;
end replaceFinalVarTraverser;
protected function addConstExpReplacement
input DAE.Exp inExp;
input DAE.ComponentRef cr;
input BackendVarTransform.VariableReplacements inRepl;
output BackendVarTransform.VariableReplacements outRepl;
algorithm
outRepl := matchcontinue(inExp,cr,inRepl)
case (_,_,_)
equation
true = Expression.isConst(inExp);
then
BackendVarTransform.addReplacement(inRepl, cr, inExp,NONE());
else
inRepl;
end matchcontinue;
end addConstExpReplacement;
protected function traverseExpVisitorWrapper "help function to replaceFinalVarTraverser"
input DAE.Exp inExp;
input BackendVarTransform.VariableReplacements inRepl;
output DAE.Exp exp;
output BackendVarTransform.VariableReplacements repl;
algorithm
(exp,repl) := matchcontinue(inExp,inRepl)
local
DAE.ComponentRef cr;
case (exp as DAE.CREF(_,_),repl) equation
(exp,_) = BackendVarTransform.replaceExp(exp,repl,NONE());
then (exp,repl);
else (inExp,inRepl);
end matchcontinue;
end traverseExpVisitorWrapper;
// =============================================================================
// remove protected parameters stuff
//
// =============================================================================
public function removeProtectedParameters
"author Frenkel TUD"
input BackendDAE.BackendDAE inDAE;
output BackendDAE.BackendDAE outDAE;
algorithm
outDAE := match (inDAE)
local
DAE.FunctionTree funcs;
BackendDAE.Variables knvars,exobj,av;
BackendDAE.EquationArray remeqns,inieqns;
list<DAE.Constraint> constrs;
list<DAE.ClassAttributes> clsAttrs;
FCore.Cache cache;
FCore.Graph graph;
BackendDAE.EventInfo einfo;
BackendDAE.ExternalObjectClasses eoc;
BackendDAE.SymbolicJacobians symjacs;
BackendVarTransform.VariableReplacements repl,repl1;
BackendDAE.BackendDAEType btp;
BackendDAE.EqSystems systs;
BackendDAE.ExtraInfo ei;
case (BackendDAE.DAE(systs,BackendDAE.SHARED(knvars,exobj,av,inieqns,remeqns,constrs,clsAttrs,cache,graph,funcs,einfo,eoc,btp,symjacs,ei)))
equation
repl = BackendVarTransform.emptyReplacements();
repl1 = BackendVariable.traverseBackendDAEVars(knvars,protectedParametersFinder,repl);
Debug.fcall(Flags.DUMP_PP_REPL, BackendVarTransform.dumpReplacements, repl1);
systs = List.map1(systs,removeProtectedParameterswork,repl1);
then
(BackendDAE.DAE(systs,BackendDAE.SHARED(knvars,exobj,av,inieqns,remeqns,constrs,clsAttrs,cache,graph,funcs,einfo,eoc,btp,symjacs,ei)));
end match;
end removeProtectedParameters;
protected function removeProtectedParameterswork
"author Frenkel TUD"
input BackendDAE.EqSystem isyst;
input BackendVarTransform.VariableReplacements repl;
output BackendDAE.EqSystem osyst;
algorithm
osyst := match (isyst,repl)
local
BackendDAE.EqSystem syst;
BackendDAE.Variables vars;
BackendDAE.EquationArray eqns,eqns1;
list<BackendDAE.Equation> eqns_1,lsteqns;
Boolean b;
BackendDAE.StateSets stateSets;
BackendDAE.BaseClockPartitionKind partitionKind;
case (BackendDAE.EQSYSTEM(orderedVars=vars,orderedEqs=eqns,stateSets=stateSets,partitionKind=partitionKind),_)
equation
lsteqns = BackendEquation.equationList(eqns);
(eqns_1,b) = BackendVarTransform.replaceEquations(lsteqns, repl,NONE());
eqns1 = Debug.bcallret1(b, BackendEquation.listEquation,eqns_1,eqns);
syst = Util.if_(b,BackendDAE.EQSYSTEM(vars,eqns1,NONE(),NONE(),BackendDAE.NO_MATCHING(),stateSets,partitionKind),isyst);
then
syst;
end match;
end removeProtectedParameterswork;
protected function protectedParametersFinder
input BackendDAE.Var inVar;
input BackendVarTransform.VariableReplacements inRepl;
output BackendDAE.Var outVar;
output BackendVarTransform.VariableReplacements outRepl;
algorithm
(outVar,outRepl) := matchcontinue (inVar,inRepl)
local
BackendDAE.Var v;
BackendVarTransform.VariableReplacements repl,repl_1;
DAE.ComponentRef varName;
Option< .DAE.VariableAttributes> values;
DAE.Exp exp;
Values.Value bindValue;
case (v as BackendDAE.VAR(varName=varName,varKind=BackendDAE.PARAM(),bindExp=SOME(exp),values=values),repl)
equation
true = DAEUtil.getProtectedAttr(values);
repl_1 = BackendVarTransform.addReplacement(repl, varName, exp,NONE());
then (v,repl_1);
case (v as BackendDAE.VAR(varName=varName,varKind=BackendDAE.PARAM(),bindValue=SOME(bindValue),values=values),repl)
equation
true = DAEUtil.getProtectedAttr(values);
true = BackendVariable.varFixed(v);
exp = ValuesUtil.valueExp(bindValue);
repl_1 = BackendVarTransform.addReplacement(repl, varName, exp,NONE());
then (v,repl_1);
else (inVar,inRepl);
end matchcontinue;
end protectedParametersFinder;
// =============================================================================
// remove equal function calls equations stuff
//
// =============================================================================
public function removeEqualFunctionCalls "author: Frenkel TUD 2011-04
This function detects equal function calls of the form a=f(b) and c=f(b) in
BackendDAE.BackendDAE to get speed up."
input BackendDAE.BackendDAE dae;
output BackendDAE.BackendDAE odae;
algorithm
odae := BackendDAEUtil.mapEqSystem(dae,removeEqualFunctionCallsWork);
end removeEqualFunctionCalls;
protected function removeEqualFunctionCallsWork "author: Frenkel TUD 2011-04
This function detects equal function calls of the form a=f(b) and c=f(b) in
BackendDAE.BackendDAE to get speed up."
input BackendDAE.EqSystem isyst;
input BackendDAE.Shared ishared;
output BackendDAE.EqSystem osyst;
output BackendDAE.Shared oshared;
algorithm
(osyst,oshared) := match (isyst,ishared)
local
BackendDAE.IncidenceMatrix m,m_1;
BackendDAE.IncidenceMatrixT mT,mT_1;
BackendDAE.Variables vars;
BackendDAE.EquationArray eqns,eqns1;
list<Integer> changed;
Boolean b;
BackendDAE.EqSystem syst;
BackendDAE.Shared shared;
BackendDAE.StateSets stateSets;
DAE.FunctionTree funcs;
BackendDAE.BaseClockPartitionKind partitionKind;
case (syst as BackendDAE.EQSYSTEM(orderedVars=vars,orderedEqs=eqns,stateSets=stateSets,partitionKind=partitionKind),shared)
equation
funcs = BackendDAEUtil.getFunctions(shared);
(syst,m,mT) = BackendDAEUtil.getIncidenceMatrixfromOption(syst,BackendDAE.NORMAL(),SOME(funcs));
// check equations
(m_1,(mT_1,_,_,changed)) = traverseIncidenceMatrix(m,removeEqualFunctionCallFinder,(mT,vars,eqns,{}));
_ = List.isNotEmpty(changed);
// update arrayeqns and algorithms, collect info for wrappers
syst = BackendDAE.EQSYSTEM(vars,eqns,SOME(m_1),SOME(mT_1),BackendDAE.NO_MATCHING(),stateSets,partitionKind);
syst = BackendDAEUtil.updateIncidenceMatrix(syst,BackendDAE.NORMAL(),NONE(),changed);
then (syst,shared);
end match;
end removeEqualFunctionCallsWork;
protected function removeEqualFunctionCallFinder "author: Frenkel TUD 2010-12"
input tuple<BackendDAE.IncidenceMatrixElement,Integer,BackendDAE.IncidenceMatrix, tuple<BackendDAE.IncidenceMatrixT,BackendDAE.Variables,BackendDAE.EquationArray,list<Integer>>> inTpl;
output tuple<list<Integer>,BackendDAE.IncidenceMatrix, tuple<BackendDAE.IncidenceMatrixT,BackendDAE.Variables,BackendDAE.EquationArray,list<Integer>>> outTpl;
algorithm