From: "ara.t.howard" <ara.t.howard@...>
Date: 2008-06-30T08:54:40+09:00
Subject: Re: Two Dimensional Array


On Jun 27, 2008, at 4:23 PM, Justin To wrote:

> class Tda
>
>  def initialize(width=0, height=0)
>    if((width==0) && width<height)
>      raise NotImplementedError,
>      "\(#{width}\) width Tda cannot have a height."
>    else
>      @tda = Array.new(width).map!{ Array.new(height) }
>    end
>  end
>
>  def width?
>    return @tda.size
>  end
>
>  def height?
>    if(width?>0)
>      return @tda[0].size
>    else
>      return nil
>    end
>  end
>
>  #--Returns the dimensional size (x x y) as a string
>  def size
>    w=@tda.size
>
>    if(width?>0)
>      h = @tda[0].size
>    else
>      h = 0
>    end
>
>    return "#{w}x#{h}"
>  end
>
>  #--Returns true if both Tda's have equal widths and heights
>  def eql_size?(tda)
>    bool=false
>
>    lh=size.split('x')
>    rh=tda.size.split('x')
>
>    if(lh[0]==rh[0])
>      bool=true
>    end
>
>    if(lh[1]==rh[1])
>      bool=true
>    else
>      bool=false
>    end
>
>    return bool
>  end
>
> end
>
> This is what I've got so far, but I can't seem to figure out how to
> write methods for: copying a Tda to another Tda, and indexing the Tda.
> Thanks for the help!
> --  
> Posted via http://www.ruby-forum.com/.


gem install narray

it's this and *much* *much* more - not to mention insanely fast.


>
>

a @ http://codeforpeople.com/
--
we can deny everything, except that we have the possibility of being  
better. simply reflect on that.
h.h. the 14th dalai lama