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Foil 9 Standard Constants in MPI

From CPS615-Initial Lecture on MPI ending with discussion of basic MPI_SEND Delivered Lectures of CPS615 Basic Simulation Track for Computational Science -- 31 October 96. by Geoffrey C. Fox *

Secs 198.7

There a set of predefined constants in include files for each language and these include:

MPI_SUCCESS -- succesful return code

MPI_COMM_WORLD (everything) and MPI_COMM_SELF(current process) are predefined reserved communicators in C and Fortran

Fortran elementary datatypes are:

MPI_INTEGER, MPI_REAL, MPI_DOUBLE_PRECISION, MPI_COMPLEX, MPI_DOUBLE_COMPLEX, MPI_LOGICAL, MPI_CHARACTER, MPI_BYTE, MPI_PACKED

C elementary datatypes are:

MPI_CHAR, MPI_SHORT, MPI_INT, MPI_LONG, MPI_UNSIGNED_CHAR, MPI_UNSIGNED_SHORT, MPI_UNSIGNED, MPI_UNSIGNED_LONG, MPI_FLOAT, MPI_DOUBLE, MPI_LONG_DOUBLE, MPI_BYTE, MPI_PACKED

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