[PD] fexpr~

[Jonathan Wilkes]

----- Original Message -----
> From: IOhannes m zmoelnig <zmoelnig at iem.at>
> To: pd-list at iem.at
> Cc: 
> Sent: Wednesday, October 24, 2012 3:28 AM
> Subject: Re: [PD] fexpr~
> 
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> On 2012-10-24 07:18, Billy King wrote:
>>  could anyone help by explaining the use of the fexpr~? how is it
>>  different from the expr~ ?
> 
> [fexpr~] allows you to access past samples, so you can build filters
> and the like. [expr~] only works on the "current" input samples.

[fexpr~] allows you to access past samples from both the input and
output for the _current_ block and pads with zeros when it tries to go
past the beginning of the block.  In other words, $x1[-3] will be guaranteed to
be zero for the first three samples of the block that [fexpr~] is
computing.

Correct?

-Jonathan

> 
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> IOhannes
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