xref: /petsc/src/sys/tests/ex16.c (revision c4762a1b19cd2af06abeed90e8f9d34fb975dd94)
1*c4762a1bSJed Brown 
2*c4762a1bSJed Brown static char help[] = "Demonstrates PetscMatlabEngineXXX()\n";
3*c4762a1bSJed Brown 
4*c4762a1bSJed Brown #include <petscsys.h>
5*c4762a1bSJed Brown #include <petscmatlab.h>
6*c4762a1bSJed Brown 
7*c4762a1bSJed Brown int main(int argc,char **argv)
8*c4762a1bSJed Brown {
9*c4762a1bSJed Brown   PetscErrorCode ierr;
10*c4762a1bSJed Brown   PetscMPIInt    rank;
11*c4762a1bSJed Brown   char           buffer[256],*output,user[256];
12*c4762a1bSJed Brown   PetscBool      userhappy = PETSC_FALSE;
13*c4762a1bSJed Brown 
14*c4762a1bSJed Brown   ierr = PetscInitialize(&argc,&argv,(char*)0,help);if (ierr) return ierr;
15*c4762a1bSJed Brown   ierr = MPI_Comm_rank(PETSC_COMM_WORLD,&rank);
16*c4762a1bSJed Brown 
17*c4762a1bSJed Brown   ierr = PetscMatlabEngineGetOutput(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD),&output);CHKERRQ(ierr);
18*c4762a1bSJed Brown 
19*c4762a1bSJed Brown   ierr = PetscMatlabEngineEvaluate(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD),"MPI_Comm_rank");CHKERRQ(ierr);
20*c4762a1bSJed Brown   ierr = PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d]Processor rank is %s",rank,output);CHKERRQ(ierr);
21*c4762a1bSJed Brown   ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr);
22*c4762a1bSJed Brown   ierr = PetscPrintf(PETSC_COMM_WORLD,">>");CHKERRQ(ierr);
23*c4762a1bSJed Brown   ierr = PetscSynchronizedFGets(PETSC_COMM_WORLD,stdin,256,user);CHKERRQ(ierr);
24*c4762a1bSJed Brown   ierr = PetscStrncmp(user,"exit",4,&userhappy);CHKERRQ(ierr);
25*c4762a1bSJed Brown   while (!userhappy) {
26*c4762a1bSJed Brown     ierr = PetscMatlabEngineEvaluate(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD),user);CHKERRQ(ierr);
27*c4762a1bSJed Brown     ierr = PetscSynchronizedPrintf(PETSC_COMM_WORLD,"[%d]The result is %s",rank,output);CHKERRQ(ierr);
28*c4762a1bSJed Brown     ierr = PetscSynchronizedFlush(PETSC_COMM_WORLD,PETSC_STDOUT);CHKERRQ(ierr);
29*c4762a1bSJed Brown     ierr = PetscPrintf(PETSC_COMM_WORLD,">>");CHKERRQ(ierr);
30*c4762a1bSJed Brown     ierr = PetscSynchronizedFGets(PETSC_COMM_WORLD,stdin,256,user);CHKERRQ(ierr);
31*c4762a1bSJed Brown     ierr = PetscStrncmp(user,"exit",4,&userhappy);CHKERRQ(ierr);
32*c4762a1bSJed Brown   }
33*c4762a1bSJed Brown   ierr = PetscFinalize();
34*c4762a1bSJed Brown   return ierr;
35*c4762a1bSJed Brown }
36*c4762a1bSJed Brown 
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