symengine / symengine.rb

SymEngine Ruby Wrappers

Ruby wrappers gem for SymEngine, a fast symbolic manipulation library, written in C++. https://github.com/symengine/symengine

Installation

Prerequisites

• C++ compiler - See supported compilers

• CMake - with executable folder in the PATH variable

• libsymengine - See build instructions

• ruby >= 2.0.0 - Needs Ruby shared library and headers

Installing

• Simply do,

    gem install symengine
  

• If libsymengine is not found, you can give the installation directory or build directory by doing,

    gem install symengine -- -DSymEngine_DIR=/path/to/symengine/root
  

Development

• Install bundler by gem install bundler
• Execute bundle install this will install the gems required
• Build the gem, gem build symengine.gemspec
• Install the gem, gem install symengine-0.1.0.gem

Mailinglist, Chat

SciRuby mailinglist: http://groups.google.com/group/sciruby-dev

SymEngine mailinglist: http://groups.google.com/group/symengine


Using the extensions

SymEngine is a module in the extensions, and the classes are a part of it. To check if you can use them, fire up the interpreter and load the file

~$ irb
2.2.0 :001 > require 'symengine'
 => true

Go ahead and try a function

2.2.0 :002 > SymEngine.ascii_art

 _____           _____         _
|   __|_ _ _____|   __|___ ___|_|___ ___
|__   | | |     |   __|   | . | |   | -_|
|_____|_  |_|_|_|_____|_|_|_  |_|_|_|___|
      |___|               |___|
 => nil

Please go through the IRuby notebooks for more demonstrations. If you are new to symengine.rb, please refer to the beginner notebook.