ScatterMode

Determines the direction of a scatter

Synopsis

typedef enum {
  SCATTER_FORWARD       = 0,
  SCATTER_REVERSE       = 1,
  SCATTER_FORWARD_LOCAL = 2,
  SCATTER_REVERSE_LOCAL = 3
} ScatterMode;

Values

• SCATTER_FORWARD - Scatters the values as dictated by the VecScatterCreate() call

• SCATTER_REVERSE - Moves the values in the opposite direction than the directions indicated in the VecScatterCreate() call

• SCATTER_FORWARD_LOCAL - Scatters the values as dictated by the VecScatterCreate() call except NO MPI communication is done

• SCATTER_REVERSE_LOCAL - Moves the values in the opposite direction than the directions indicated in the VecScatterCreate() call except NO MPI communication is done

See Also

Vectors and Parallel Data, VecScatter, VecScatterBegin(), VecScatterEnd(), SCATTER_FORWARD, SCATTER_REVERSE, SCATTER_FORWARD_LOCAL, SCATTER_REVERSE_LOCAL

Level

beginner

Location

include/petscvec.h

Examples

src/ksp/ksp/tutorials/ex73.c

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