model Add

  MultivariateGaussian state(

    redeclare Real u[2],

    redeclare Real s[2,2]

  );

...

function BackendEquation.solveEquation failed w.r.t state.s[1,2]

ALGORITHM: 0. algorithm

  state := MultivariateGaussian({1.5, 1.5}, {{0.011, 0.012}, {0.013, 0.014}});

  $whenCondition1 := false;

 (dynamic)

===================

function BackendEquation.solveEquation failed w.r.t state.s[2,1]

ALGORITHM: 0. algorithm

  state := MultivariateGaussian({1.5, 1.5}, {{0.011, 0.012}, {0.013, 0.014}});

  $whenCondition1 := false;

 (dynamic)

===================

function BackendEquation.solveEquation failed w.r.t state.s[2,2]

ALGORITHM: 0. algorithm

  state := MultivariateGaussian({1.5, 1.5}, {{0.011, 0.012}, {0.013, 0.014}});

  $whenCondition1 := false;

 (dynamic)

===================

function BackendEquation.solveEquation failed w.r.t state.u[1]

ALGORITHM: 0. algorithm

  state := MultivariateGaussian({1.5, 1.5}, {{0.011, 0.012}, {0.013, 0.014}});

  $whenCondition1 := false;

 (dynamic)

===================

function BackendEquation.solveEquation failed w.r.t state.u[2]

ALGORITHM: 0. algorithm

  state := MultivariateGaussian({1.5, 1.5}, {{0.011, 0.012}, {0.013, 0.014}});

  $whenCondition1 := false;

 (dynamic)

===================

record SimulationResult

    resultFile = "",

    simulationOptions = "startTime = 0.0, stopTime = 10.0, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'Add', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = ''",

    messages = "Failed to build model: Add",

    timeFrontend = 0.0,

    timeBackend = 0.0,

    timeSimCode = 0.0,

    timeTemplates = 0.0,

    timeCompile = 0.0,

    timeSimulation = 0.0,

    timeTotal = 0.0

end SimulationResult;

"Notification: It was not possible to analyze the given system symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet.

[/home/build/tmp/build/openmodelica-1.9.4~dev-24-g7633fca/OMCompiler/Compiler/BackEnd/BackendEquation.mo:2609:7-2609:76:writable] Error: Internal error function solveEquation failed

Notification: The following equation is consistent and got removed from the initialization problem: $PRE.state.s[1,2] = state.s[1,2]

Notification: It was not possible to analyze the given system symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet.

[/home/build/tmp/build/openmodelica-1.9.4~dev-24-g7633fca/OMCompiler/Compiler/BackEnd/BackendEquation.mo:2609:7-2609:76:writable] Error: Internal error function solveEquation failed

Notification: The following equation is consistent and got removed from the initialization problem: $PRE.state.s[2,1] = state.s[2,1]

Notification: It was not possible to analyze the given system symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet.

[/home/build/tmp/build/openmodelica-1.9.4~dev-24-g7633fca/OMCompiler/Compiler/BackEnd/BackendEquation.mo:2609:7-2609:76:writable] Error: Internal error function solveEquation failed

Notification: The following equation is consistent and got removed from the initialization problem: $PRE.state.s[2,2] = state.s[2,2]

Notification: It was not possible to analyze the given system symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet.

[/home/build/tmp/build/openmodelica-1.9.4~dev-24-g7633fca/OMCompiler/Compiler/BackEnd/BackendEquation.mo:2609:7-2609:76:writable] Error: Internal error function solveEquation failed

Notification: The following equation is consistent and got removed from the initialization problem: $PRE.state.u[1] = state.u[1]

Notification: It was not possible to analyze the given system symbolically, because the relevant equations are part of an algebraic loop. This is not supported yet.

[/home/build/tmp/build/openmodelica-1.9.4~dev-24-g7633fca/OMCompiler/Compiler/BackEnd/BackendEquation.mo:2609:7-2609:76:writable] Error: Internal error function solveEquation failed

Notification: The following equation is consistent and got removed from the initialization problem: $PRE.state.u[2] = state.u[2]

Warning: The initial conditions are over specified. Use +d=initialization for more information.

[CodegenCFunctions.tpl:3719:39-3719:39:writable] Error: Template error: Unknown dimensions may not be part of generated code. This is most likely an error on the part of OpenModelica. Please submit a detailed bug-report.

[CodegenCFunctions.tpl:3727:14-3727:14:writable] Error: Template error: dimensionExp: INVALID_DIMENSION size(u, 1)

[CodegenCFunctions.tpl:3719:39-3719:39:writable] Error: Template error: Unknown dimensions may not be part of generated code. This is most likely an error on the part of OpenModelica. Please submit a detailed bug-report.

[CodegenCFunctions.tpl:3727:14-3727:14:writable] Error: Template error: dimensionExp: INVALID_DIMENSION size(u, 1)

"

operator record MultivariateGaussian

  replaceable Real u[:];

  replaceable Real s[size(u,1),size(u,1)];



  encapsulated operator 'constructor'

    import MultivariateGaussian;

    function fromReal      

      input Real[:] u;

      input Real[size(u, 1), size(u, 1)] s;

      output MultivariateGaussian result(u=u, s=s)

        annotation(Inline=true);

    end fromReal;

  end 'constructor';



  encapsulated operator function '+'

    import MultivariateGaussian;

    input MultivariateGaussian left;

    input MultivariateGaussian right;

    output MultivariateGaussian result;

  protected

    Real u[:], s[size(u, 1), size(u, 1)];

  algorithm

    u := left.u + right.u;

    s := left.s + right.s;

    result := MultivariateGaussian(u=u, s=s)

      annotation(Inline=true);

  end '+';



end MultivariateGaussian;

model Add

  MultivariateGaussian state;

  MultivariateGaussian process(

    redeclare parameter Real[2] u={1.0, 2.0},

    redeclare parameter Real[2,2] s={{0.1, 0.2}, {0.3, 0.4}}

  );

algorithm

  when initial() then

    state := MultivariateGaussian(

      u={1.5, 1.5},

      s={{1.1e-2, 1.2e-2}, {1.3e-2, 1.4e-2}}

    );

  end when;

  when sample(1.0, 1.0) then

    state := state + process;

  end when;

end Add;

loadFiles({

  "OpRec.mo", 

  "AddMG.mo"

});

getErrorString();



checkModel(Add);

getErrorString();

$ omc addmg.mos 

true

""

"Check of Add completed successfully.

Class Add has 0 equation(s) and 2 variable(s).

0 of these are trivial equation(s)."

""

function MultivariateGaussian "Automatically generated record constructor for MultivariateGaussian"

  input Real[:] u;

  input Real[size(u, 1), size(u, 1)] s;

  output MultivariateGaussian res;

end MultivariateGaussian;



function MultivariateGaussian.'+'

  input MultivariateGaussian left;

  input MultivariateGaussian right;

  output MultivariateGaussian result;

  protected Real[:] u;

  protected Real[size(u, 1), size(u, 1)] s;

algorithm

  u := left.u + right.u;

  s := left.s + right.s;

  result := MultivariateGaussian(u, s);

end MultivariateGaussian.'+';



class Add

  Real state.u[1];

  Real state.s[1,1];

  parameter Real process.u[1] = 1.0;

  parameter Real process.u[2] = 2.0;

  parameter Real process.s[1,1] = 0.1;

  parameter Real process.s[1,2] = 0.2;

  parameter Real process.s[2,1] = 0.3;

  parameter Real process.s[2,2] = 0.4;

algorithm

  when initial() then

    state := MultivariateGaussian({1.5, 1.5}, {{0.011, 0.012}, {0.013, 0.014}});

  end when;

  when sample(1.0, 1.0) then

    state := MultivariateGaussian.'+'(state, process);

  end when;

end Add;