From: Ryan Leavengood <leavengood@...>
Date: 2006-06-10T06:55:56+09:00
Subject: Re: Converting a Float back to bytes

On 6/9/06, Harris Reynolds <hreynolds2@yahoo.com> wrote:
> This is good stuff.  I am now getting the correct Float object (21.0) from a string of bytes
> ("@5\000\000\000\000\000\000").  Now... here is a question... is there an easy way to go
> from the Float back to bytes.  This seems like it may be much more difficult.
>
> something like this...
>
> float_object = 21.0
> bytes = SOME_API_HERE.convert(float_object)

Hi Harris,

Keep in mind for things like this you always have the method pair
Array#pack and String#unpack:

C:\P4WS>irb
irb(main):001:0> f = 21.0
=> 21.0
irb(main):002:0> b = [f].pack("D")
=> "\000\000\000\000\000\0005@"
irb(main):003:0> b.unpack("D")
=> [21.0]

Ryan