From: Andrea Fazzi <andrea.fazzi@...>
Date: 2008-06-17T22:04:37+09:00
Subject: Re: [QUIZ] Circle Drawing (#166)

Matthew Moss ha scritto:
> ## Circle Drawing (#166)
>
> This week we're going to keep it simple... very simple.
>
> Given a radius, draw an ASCII circle.
>
> For example:
>
>     ruby circle.rb 7
>
> Should produce a circle of radius 7:
>
>          #####
>        ##     ##
>       #         #
>      #           #
>      #           #
>     #             #
>     #             #
>     #             #
>     #             #
>     #             #
>      #           #
>      #           #
>       #         #
>        ##     ##
>          #####
>
>
> Note that most fonts do not have a square aspect ratio, which is why the
> above output may look like an oval, despite my calculations for a circle. It
> is acceptable if your code produces similar output.
>
>
> However, _for extra credit_ you may support an additional argument that
> specifies the aspect ratio (height divided by width).
>
>     ruby circle.rb 7 1.4
>
> This should draw a circle of radius 7 with aspect ratio of 1.4. If done
> correctly, your output will actually look like a circle (assuming 1.4 is an
> accurate measure of the actual aspect ratio).
>
>
>
>   

A bit of ruby art :-)

http://pastie.org/216459
http://pastie.org/216462

I don't know if my benchmark is done properly.. I do it quickly and just 
for fun :-) Please give me feedback..

Benchmark details:

num_of_runs = 100
radius = 7
ratio = 2.0

This benchmark has been executed on a MacBook 2,16Ghz with 2Gb of RAM 
running Linux Ubuntu 7.10.

Andrea