Changeset e62a382 in OpenModelica for OMCompiler/Compiler/BackEnd/BackendEquation.mo

Timestamp:

2020-10-21T18:53:49+02:00 (4 years ago)

Author:

Adrian Pop <adrian.pop@…>

Branches:

maintenance/v1.16

Children:

82316a99

Parents:

c850391

git-author:

Karim Abdelhak <karim.abdelhak@…> (10/08/20 13:27:03)

git-committer:

Adrian Pop <adrian.pop@…> (10/21/20 18:53:49)

Message:

[BE] remove empty initial equations

• filter the initial equations for equations that do not have initial unknowns and remove them
• needed for data reconciliation since there might be initial equations for state derivatives of states that got removed during data recon

File:

• OMCompiler/Compiler/BackEnd/BackendEquation.mo (modified) (1 diff)

OMCompiler/Compiler/BackEnd/BackendEquation.mo

@@ -3237 +3237 @@
 end createResidualExp;
 
+public function hasAnyUnknown
+  input BackendDAE.Equation eqn;
+  input BackendDAE.Variables vars;
+  output Boolean b;
+algorithm
+  b := not listEmpty(equationVars(eqn, vars));
+end hasAnyUnknown;
+
 annotation(__OpenModelica_Interface="backend");
 end BackendEquation;