NewVec.cpp File Reference

: create distributed Petsc vector. More...

#include "petscmat.h"
#include "petscvec.h"
#include "petscksp.h"
#include "./petscpatches.h"
#include "../../mpi/issmmpi.h"

Go to the source code of this file.

Functions
Vec	NewVec (int size, ISSM_MPI_Comm comm, bool fromlocalsize)

Detailed Description

: create distributed Petsc vector.

Definition in file NewVec.cpp.

Function Documentation

NewVec()

Vec NewVec	(	int	size,
		ISSM_MPI_Comm	comm,
		bool	fromlocalsize
	)

Definition at line 19 of file NewVec.cpp.

                                                          {
 
   int local_size;
 
   /*output: */
   Vec vector=NULL;
 
   /*determine local size of vector: */
   if(fromlocalsize){
      local_size=size;
   }
   else{
      local_size=DetermineLocalSize(size,comm);
   }
 
   VecCreate(comm,&vector); 
   VecSetSizes(vector,local_size,PETSC_DECIDE); 
   VecSetFromOptions(vector); 
 
   return vector;
}