Actual source code: vseqcr.c

petsc-master 2017-01-20
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  2: /*
  3:    Implements the sequential vectors.
  4: */

  6:  #include <../src/vec/vec/impls/dvecimpl.h>

  8: /*@
  9:    VecCreateSeq - Creates a standard, sequential array-style vector.

 11:    Collective on MPI_Comm

 13:    Input Parameter:
 14: +  comm - the communicator, should be PETSC_COMM_SELF
 15: -  n - the vector length

 17:    Output Parameter:
 18: .  V - the vector

 20:    Notes:
 21:    Use VecDuplicate() or VecDuplicateVecs() to form additional vectors of the
 22:    same type as an existing vector.

 24:    Level: intermediate

 26:    Concepts: vectors^creating sequential

 28: .seealso: VecCreateMPI(), VecCreate(), VecDuplicate(), VecDuplicateVecs(), VecCreateGhost()
 29: @*/
 30: PetscErrorCode  VecCreateSeq(MPI_Comm comm,PetscInt n,Vec *v)
 31: {

 35:   VecCreate(comm,v);
 36:   VecSetSizes(*v,n,n);
 37:   VecSetType(*v,VECSEQ);
 38:   return(0);
 39: }