1 2 static char help[] = "Demonstrates PetscMatlabEngineXXX()\n"; 3 4 #include <petscsys.h> 5 #include <petscmatlab.h> 6 7 int main(int argc,char **argv) 8 { 9 PetscMPIInt rank; 10 char buffer[256],*output,user[256]; 11 PetscBool userhappy = PETSC_FALSE; 12 13 PetscFunctionBeginUser; 14 PetscCall(PetscInitialize(&argc,&argv,(char*)0,help)); 15 PetscCallMPI(MPI_Comm_rank(PETSC_COMM_WORLD,&rank)); 16 17 PetscCall(PetscMatlabEngineGetOutput(PETSC_MATLAB_ENGINE_(PETSC_COMM_WORLD),&output)); 18 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 } 36