xref: /petsc/src/sys/tests/ex16.c (revision b122ec5aa1bd4469eb4e0673542fb7de3f411254)
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   PetscErrorCode ierr;
10c4762a1bSJed Brown   PetscMPIInt    rank;
11c4762a1bSJed Brown   char           buffer[256],*output,user[256];
12c4762a1bSJed Brown   PetscBool      userhappy = PETSC_FALSE;
13c4762a1bSJed Brown 
14*b122ec5aSJacob Faibussowitsch   CHKERRQ(PetscInitialize(&argc,&argv,(char*)0,help));
15c4762a1bSJed Brown   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);
16c4762a1bSJed Brown 
175f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscMatlabEngineGetOutput(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD),&output));
18c4762a1bSJed Brown 
195f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscMatlabEngineEvaluate(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD),"MPI_Comm_rank"));
205f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d]Processor rank is %s",rank,output));
215f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT));
225f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscPrintf(PETSC_COMM_WORLD,">>"));
235f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscSynchronizedFGets(PETSC_COMM_WORLD,stdin,256,user));
245f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscStrncmp(user,"exit",4,&userhappy));
25c4762a1bSJed Brown   while (!userhappy) {
265f80ce2aSJacob Faibussowitsch     CHKERRQ(PetscMatlabEngineEvaluate(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD),user));
275f80ce2aSJacob Faibussowitsch     CHKERRQ(PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d]The result is %s",rank,output));
285f80ce2aSJacob Faibussowitsch     CHKERRQ(PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT));
295f80ce2aSJacob Faibussowitsch     CHKERRQ(PetscPrintf(PETSC_COMM_WORLD,">>"));
305f80ce2aSJacob Faibussowitsch     CHKERRQ(PetscSynchronizedFGets(PETSC_COMM_WORLD,stdin,256,user));
315f80ce2aSJacob Faibussowitsch     CHKERRQ(PetscStrncmp(user,"exit",4,&userhappy));
32c4762a1bSJed Brown   }
33*b122ec5aSJacob Faibussowitsch   CHKERRQ(PetscFinalize());
34*b122ec5aSJacob Faibussowitsch   return 0;
35c4762a1bSJed Brown }
36