2010/10/12 David T. Lewis <lewis at mail.msen.com>:
> On Tue, Oct 12, 2010 at 05:18:40AM -0700, Lawson English wrote:
>>  On 10/12/10 3:29 AM, Nicolas Cellier wrote:
>> >I think these two are bigEdian
>> >
>> >Float pi asIEEE32BitWord.
>> >FloatArray with: Float pi.
>> >
>> Converts it to a 31-bit int, which is not compatible with swapping
>> endianness because you can't index it.
>>
>> I'm sure I can eventually analyze what the asIEEE32BitWord is doing and
>> put it into a 4 byte array instead of an int, but I was hoping that
>> someone else had already solved the problem.
>>
>
> (FloatArray with: Float pi) basicAt: 1
>
> This gives you the value as a LargePositiveInteger. If you are running
> on a little-endian machine, the value should already be in the byte
> order you want. If you need to swap bytes (Smalltalk endianness = #big)
> you can use #bitAnd: and shift operators, etc.
>
> Dave
>
>

And to make a ByteArray from an Integer between:0 and: 1<<32-1, you
have a license to be hackish:

(ByteArray newFrom: (Float pi asIEEE32BitWord + 16r100000000))
	copyFrom: 2 to: 5

Nicolas