Contiguous datatypes

Contiguous Datatype Constructor

• A general datatype is built up hierarchically from simpler components.

     mpi_type_contiguous (count, oldtype,
                          newtype, ierr)

• The above creates a new datatype made up of count repetitions of oldtype.
• For example,

     oldtype = {(double, 0), (char, 8)}

  then if ,

     newtype = {(double,  0), (char,  8)
                (double, 16), (char, 24)
                (double, 32), (char, 40)}