Actual source code: ex16.c
2: static char help[] = "Demonstrates PetscMatlabEngineXXX()\n";
4: #include <petscsys.h>
5: #include <petscmatlab.h>
7: int main(int argc, char **argv)
8: {
9: PetscMPIInt rank;
10: char buffer[256], *output, user[256];
11: PetscBool userhappy = PETSC_FALSE;
13: PetscFunctionBeginUser;
14: PetscCall(PetscInitialize(&argc, &argv, (char *)0, help));
15: PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD, &rank));
17: PetscCall(PetscMatlabEngineGetOutput(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD), &output));
19: PetscCall(PetscMatlabEngineEvaluate(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD), "MPI_Comm_rank"));
20: PetscCall(PetscSynchronizedPrintf(PETSC_COMM_WORLD, "[%d]Processor rank is %s", rank, output));
21: PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD, PETSC_STDOUT));
22: PetscCall(PetscPrintf(PETSC_COMM_WORLD, ">>"));
23: PetscCall(PetscSynchronizedFGets(PETSC_COMM_WORLD, stdin, 256, user));
24: PetscCall(PetscStrncmp(user, "exit", 4, &userhappy));
25: while (!userhappy) {
26: PetscCall(PetscMatlabEngineEvaluate(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD), user));
27: PetscCall(PetscSynchronizedPrintf(PETSC_COMM_WORLD, "[%d]The result is %s", rank, output));
28: PetscCall(PetscSynchronizedFlush(PETSC_COMM_WORLD, PETSC_STDOUT));
29: PetscCall(PetscPrintf(PETSC_COMM_WORLD, ">>"));
30: PetscCall(PetscSynchronizedFGets(PETSC_COMM_WORLD, stdin, 256, user));
31: PetscCall(PetscStrncmp(user, "exit", 4, &userhappy));
32: }
33: PetscCall(PetscFinalize());
34: return 0;
35: }