This seems like what could be a common cause of bugs

[Steven Schveighoffer]

On Fri, 08 Jul 2011 18:47:55 -0400, Andrej Mitrovic  
<andrej.mitrovich at gmail.com> wrote:

> On 7/9/11, Andrej Mitrovic <andrej.mitrovich at gmail.com> wrote:
>>     double step = 1 / width;   // or .1
>
> Woops that should have been `1.`. See, another bug right there!

1.0

1. is a horrible legacy thing, and should be removed.

-Steve