= C++ codes =
== Hello World ==
{{{#!C
//hello.cpp: display a message on the screen 
#include <iostream>
 
int main()
{
   std::cout << "Hello, C++ world!\n";
   return 0;
}
}}}
* Text after // are comments.
* can use C style comments.
* can use C functions.
* '''#include <iostream>''' to load the header file.
* There are many header files in the standard C++ library.[1]
* Program always begins with '''main()''' function.
* '''main()''' returns a integer.

== Compile with GNU C++ ==
{{{g++ hello.cpp}}}

== Compile with Intel C++ ==
{{{ icpc hello.cpp }}}

== Links for tutorial ==
* [[http://www.cplusplus.com/doc/tutorial/|C++ Language Tutorial]]
* [[http://en.wikibooks.org/wiki/C++_Programming|wikibooks]]

== Examples of Job Script ==
[[https://wiki.hpc.tulane.edu/trac/wiki/cypress/Programming/Cexamples#ExamplesofJobscript|See Examples]]

== Parallel C++ ==
* [[cypress/Programming/CppExamples/OpenMpCpp|OpenMP examples in C++]]
* [[cypress/Programming/CppExamples/MpiCpp|MPI examples in C++]]

== Useful Libraries for Scientific Computing ==
[[http://www.dealii.org/|deal.II]] - A Finite Element Differential Equations Analysis Library, [[http://www.dealii.org/7.1.0/doxygen/tutorial/index.html|tutorial]]