petsc-3.10.5 2019-03-28
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# PetscDataTypeToMPIDataType

Converts the PETSc name of a datatype to its MPI name.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscDataTypeToMPIDataType(PetscDataType ptype,MPI_Datatype *mtype)

Not collective

### Input Parameter

ptype -the PETSc datatype name (for example PETSC_DOUBLE)

### Output Parameter

mtype -the MPI datatype (for example MPI_DOUBLE, ...)

### See Also

PetscDataType, PetscMPIDataTypeToPetscDataType()

### Level

advanced

### Location

src/sys/objects/ptype.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages