Actual source code: ex40.c


  2: static char help[] = "Tests taking part of existing array to create a new vector.\n\n";

  4: #include <petscvec.h>

  6: int main(int argc,char **argv)
  7: {
  8:   PetscMPIInt    size;
  9:   PetscInt       n = 10,i;
 10:   PetscScalar    array[10];
 11:   Vec            x;

 13:   PetscInitialize(&argc,&argv,(char*)0,help);
 14:   MPI_Comm_size(PETSC_COMM_WORLD,&size);

 17:   /* create vector */
 18:   for (i=0; i<n; i++) array[i] = i;
 19:   n = n-1;

 21:   VecCreateSeqWithArray(PETSC_COMM_SELF,1,n,array+1,&x);
 22:   VecView(x,PETSC_VIEWER_STDOUT_SELF);
 23:   VecDestroy(&x);
 24:   PetscFinalize();
 25:   return 0;
 26: }