View source for Programming/C-Sharp

== Programming Details ==

C# is a multi-paradigm programming language encompassing strong typing, imperative, declarative, functional, generic, object-oriented (class-based), and component-oriented programming. Although originally developed by Microsoft for their own platform it has been standardised and a Linux version called MONO has been developed and matured.

The Mono project provides an open-source C# compiler, a complete open-source implementation of the Common Language Infrastructure including the required framework libraries as they appear in the ECMA specification, and a nearly complete implementation of the Microsoft proprietary .NET class libraries up to .NET 3.5. Note at this time Windows Presentation Foundation (WPF) does not exist.


=== Programming example ===


<pre style="background-color: #C8C8C8; color: black; border: 2px solid #C8C8C8; font-family: monospace, sans-serif;">
using System;
using MPI;

class Ring
{
    static void Main(string[] args)
    {
        using (new MPI.Environment(ref args))
        {
            Intracommunicator comm = Communicator.world;
            if (comm.Rank == 0)
            {
                // program for rank 0
            }
            else // not rank 0
            {
                // program for all other ranks
            }
        }
    }
}
</pre>


==== Modules Available ====

The following modules are available:

* module add mono/4.4.1



==== Compilation ====

The program would be compiled in the following way:

<pre style="background-color: black; color: white; border: 2px solid black; font-family: monospace, sans-serif;">
[username@login01 ~]$ module add mono/4.4.1
[username@login01 ~]$ mcs -out:cDEMO.exe cDEMO.cs
</pre>

== Usage Examples ==

=== Batch example ===

<pre style="background-color: #f5f5dc; color: black; font-family: monospace, sans-serif;">
#!/bin/bash

#SBATCH -J openmpi-single-node
#SBATCH -N 1
#SBATCH --ntasks-per-node 28
#SBATCH -o %N.%j.%a.out
#SBATCH -e %N.%j.%a.err
#SBATCH -p compute
#SBATCH --exclusive

echo $SLURM_JOB_NODELIST

module purge
module add mono/4.4.1

export I_MPI_DEBUG=5
export I_MPI_FABRICS=shm:tmi
export I_MPI_FALLBACK=no

mono /home/user/CODE_SAMPLES/C-SHARP/cDEMO.exe
</pre>



<pre style="background-color: black; color: white; border: 2px solid black; font-family: monospace, sans-serif;">
[username@login01 ~]$ sbatch demo.job
Submitted batch job 291552
</pre>

== Further Information ==

* [https://en.wikibooks.org/wiki/C_Sharp_Programming https://en.wikibooks.org/wiki/C_Sharp_Programming]
* [[programming/OpenMP|OpenMP]]
* [[programming/OpenMPI|OpenMPI]]
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