xref: /petsc/src/sys/tests/ex16.c (revision 327415f76d85372a4417cf1aaa14db707d4d6c04)
1c4762a1bSJed Brown 
2c4762a1bSJed Brown static char help[] = "Demonstrates PetscMatlabEngineXXX()\n";
3c4762a1bSJed Brown 
4c4762a1bSJed Brown #include <petscsys.h>
5c4762a1bSJed Brown #include <petscmatlab.h>
6c4762a1bSJed Brown 
7c4762a1bSJed Brown int main(int argc,char **argv)
8c4762a1bSJed Brown {
9c4762a1bSJed Brown   PetscMPIInt    rank;
10c4762a1bSJed Brown   char           buffer[256],*output,user[256];
11c4762a1bSJed Brown   PetscBool      userhappy = PETSC_FALSE;
12c4762a1bSJed Brown 
13*327415f7SBarry 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 }
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