PETSc version 3.17.0
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# DMShellSetGlobalToLocal

Sets the routines used to perform a global to local scatter

### Synopsis

    #include "petscdmshell.h"
    PetscErrorCode DMShellSetGlobalToLocal(DM dm,PetscErrorCode (*begin)(DM,Vec,InsertMode,Vec),PetscErrorCode (*end)(DM,Vec,InsertMode,Vec))

Logically Collective on dm

Input Parameters

| dm | - the shell DM
| begin | - the routine that begins the global to local scatter
| end | - the routine that ends the global to local scatter

### Notes

If these functions are not provided but DMShellSetGlobalToLocalVecScatter() is called then DMGlobalToLocalBeginDefaultShell()/DMGlobalToLocalEndDefaultShell() are used to to perform the transfers

### See Also

DMShellSetLocalToGlobal(), DMGlobalToLocalBeginDefaultShell(), DMGlobalToLocalEndDefaultShell()

### Level

advanced

### Location

src/dm/impls/shell/dmshell.c
Index of all DM routines
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Index of all manual pages