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.TH environment 2rheolef "rheolef-7.0" "rheolef-7.0" "rheolef-7.0"
.\" label: /*Class:environment
.SH NAME
\fBenvironment\fP - rheolef initialization (rheolef-7.0)
.SH SYNOPSIS

This class is mainly used to initialize the MPI library: it
should be called juste after the \fBmain(argc,argv)\fP declaration
as in:
.\" begin_example
.Sp
.nf
    #include "rheolef.h"
    using namespace rheolef;
    int main(int argc, char**argv) {
      environment rheolef (argc, argv);
      ...
    }
.Sp
.fi
.\" end_example
An optional third argument of the \fBenvironment\fP constructor
allows one to set the MPI thread feature. By default, its value
is MPI_THREAD_SINGLE, as defined in \fBmpi.h\fP.
Other possible values are related to MPI multi-threaded, see
the MPI documentation for more details.
.PP
.\" skip start:AUTHORS:
.\" skip start:DATE:
.\" END
.SH COPYRIGHT
Copyright (C) 2000-2018 Pierre Saramito <Pierre.Saramito@imag.fr> GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.