Quanty class for Ruby ver 1.1   by Masahiro Tanaka  2001-04-25

Description

* A Ruby class to express QUANTITY, which is a set of value and unit.
  Featuring unit conversion and arithmetic operation among quantities.

Requirement

* Ruby ver 1.6.x or later.

Installation

* Install Quanty class library.

  1. Extract source code from tar.gz file.
  2. Make & install:

ruby extconf.rb make make install

* If you want Racc binary library (faster than included script),
  Get Racc from

www9.xdsl.ne.jp/~aamine/en/index.html

and install it.
Back to quanty directory.
Run `make clean', `make' and install it.

Usage

require "quanty"
x = Quanty(1.23,"km")

See document in quanty-en.rd or quanty-jp.rd.

Tested Platform

* Ruby 1.6.2 (2000-12-22) [sparc-solaris2.7]
* Racc 1.3.7

License

Ruby Quanty class is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.

But `units.dat' `lib/quanty/parse.rb' files in the distribution
are not written by the author.  See each file for the copying
condition.

Author

Masahiro Tanaka <masa@ir.isas.ac.jp>