added test from ticket:3266

Belonging to [master]:
  - OpenModelica/OMCompiler#2203
  - #856

openmodelica/linearization/Makefile

@@ -27,6 +27,7 @@ testDrumBoiler.mos \
 testknownvar.mos \
 testMathFuncs.mos \
 testRecordDiff.mos \
+testSortFunction.mos \
 testSteamPipe.mos \
 ticket3701.mos \
 

openmodelica/linearization/testSortFunction.mos

@@ -0,0 +1,70 @@
+// name:     testSortFunction
+// keywords: jacobian differentiation linearization
+// status:   correct
+// teardown_command: rm -rf SortTest* output.log
+//
+
+loadModel(Modelica);getErrorString();
+loadString("
+model SortTest
+  input Real u; // prevent evaluation by frontend
+  Real x(start=1);
+  Real[:, :] M = [3, cos(x)*x; 1 + u, 2+time];
+  output Real[size(M, 1), size(M, 2)] N;
+equation
+  der(x) = M[2,1]+sin(x);
+  N = Modelica.Math.Matrices.sort(M);
+end SortTest;
+");
+
+setCommandLineOptions("--generateSymbolicLinearization");
+linearize(SortTest, stopTime=1.0);getErrorString();
+
+loadFile("linear_SortTest.mo");
+list(linear_SortTest);
+
+
+// Result:
+// true
+// ""
+// true
+// true
+// record SimulationResult
+//     resultFile = "SortTest_res.mat",
+//     simulationOptions = "startTime = 0.0, stopTime = 1.0, numberOfIntervals = 500, tolerance = 1e-06, method = 'dassl', fileNamePrefix = 'SortTest', options = '', outputFormat = 'mat', variableFilter = '.*', cflags = '', simflags = ''",
+//     messages = "stdout            | info    | Linearization will performed at point of time: 1.000000
+// LOG_SUCCESS       | info    | The initialization finished successfully without homotopy method.
+// LOG_SUCCESS       | info    | The simulation finished successfully.
+// stdout            | info    | Linear model is created!
+// "
+// end SimulationResult;
+// "Warning: The initial conditions are not fully specified. For more information set -d=initialization. In OMEdit Tools->Options->Simulation->OMCFlags, in OMNotebook call setCommandLineOptions("-d=initialization").
+// "
+// true
+// "model linear_SortTest
+//   parameter Integer n = 1;
+//   // states
+//   parameter Integer k = 1;
+//   // top-level inputs
+//   parameter Integer l = 4;
+//   // top-level outputs
+//   parameter Real x0[1] = {2.801060045691952};
+//   parameter Real u0[1] = {0};
+//   parameter Real A[1, 1] = [-0.9425769139614838];
+//   parameter Real B[1, 1] = [1];
+//   parameter Real C[4, 1] = [0; 0; 0; -1.878100615247814];
+//   parameter Real D[4, 1] = [1; 0; 0; 0];
+//   Real x[1](start = x0);
+//   input Real u[1](start = u0);
+//   output Real y[4];
+//   Real 'x_x' = x[1];
+//   Real 'u_u' = u[1];
+//   Real 'y_N[1,1]' = y[1];
+//   Real 'y_N[1,2]' = y[2];
+//   Real 'y_N[2,1]' = y[3];
+//   Real 'y_N[2,2]' = y[4];
+// equation
+//   der(x) = A * x + B * u;
+//   y = C * x + D * u;
+// end linear_SortTest;"
+// endResult