xref: /petsc/src/sys/tests/ex16.c (revision d71ae5a4db6382e7f06317b8d368875286fe9008)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] = "Demonstrates PetscMatlabEngineXXX()\n";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown #include <petscsys.h>
5c4762a1bSJed Brown #include <petscmatlab.h>
6c4762a1bSJed Brown 
7*d71ae5a4SJacob Faibussowitsch int main(int argc, char **argv)
8*d71ae5a4SJacob Faibussowitsch {
9c4762a1bSJed Brown   PetscMPIInt rank;
10c4762a1bSJed Brown   char        buffer[256], *output, user[256];
11c4762a1bSJed Brown   PetscBool   userhappy = PETSC_FALSE;
12c4762a1bSJed Brown 
13327415f7SBarry Smith   PetscFunctionBeginUser;
149566063dSJacob Faibussowitsch   PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
15d0609cedSBarry Smith   PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank));
16c4762a1bSJed Brown 
179566063dSJacob Faibussowitsch   PetscCall(PetscMatlabEngineGetOutput(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD), &output));
18c4762a1bSJed Brown 
199566063dSJacob Faibussowitsch   PetscCall(PetscMatlabEngineEvaluate(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD), "MPI_Comm_rank"));
209566063dSJacob Faibussowitsch   PetscCall(PetscSynchronizedPrintf(PETSC_COMM_WORLD, "[%d]Processor rank is %s", rank, output));
219566063dSJacob Faibussowitsch   PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD, PETSC_STDOUT));
229566063dSJacob Faibussowitsch   PetscCall(PetscPrintf(PETSC_COMM_WORLD, ">>"));
239566063dSJacob Faibussowitsch   PetscCall(PetscSynchronizedFGets(PETSC_COMM_WORLD, stdin, 256, user));
249566063dSJacob Faibussowitsch   PetscCall(PetscStrncmp(user, "exit", 4, &userhappy));
25c4762a1bSJed Brown   while (!userhappy) {
269566063dSJacob Faibussowitsch     PetscCall(PetscMatlabEngineEvaluate(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD), user));
279566063dSJacob Faibussowitsch     PetscCall(PetscSynchronizedPrintf(PETSC_COMM_WORLD, "[%d]The result is %s", rank, output));
289566063dSJacob Faibussowitsch     PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD, PETSC_STDOUT));
299566063dSJacob Faibussowitsch     PetscCall(PetscPrintf(PETSC_COMM_WORLD, ">>"));
309566063dSJacob Faibussowitsch     PetscCall(PetscSynchronizedFGets(PETSC_COMM_WORLD, stdin, 256, user));
319566063dSJacob Faibussowitsch     PetscCall(PetscStrncmp(user, "exit", 4, &userhappy));
32c4762a1bSJed Brown   }
339566063dSJacob Faibussowitsch   PetscCall(PetscFinalize());
34b122ec5aSJacob Faibussowitsch   return 0;
35c4762a1bSJed Brown }
36