Re: [myhdl-list] Interfaces in Interfaces

[Ben R. <be...@re...>]

Great, thank you.  I must have been doing something else wrong.  And thanks
for the upper bound tip!

On Tue, May 5, 2015 at 6:39 AM, Christopher Felton <chr...@gm...>
wrote:

> On 5/4/15 11:01 PM, Ben Reynwar wrote:
> > Hi all,
> >
> > Is it possible to use interface definitions in interfaces?  For example
> > I might have an interface for a complex number, and then an interface
> > for a back-pressured stream of complex numbers that uses the complex
> > number interface as a component.
>
> Yes, it is possible.  A basic test case exists in
> the test suite:
>
>
> https://github.com/jandecaluwe/myhdl/blob/master/myhdl/test/conversion/general/test_interfaces3.py#L28
>
> Regards,
> Chris
>
>
>
> >
> > e.g.
> >
> > class Complex(object):
> >
> >      def __init__(self, width):
> >          maxval = pow(2, width-1)-1
>
> Note, Python is exclusive on the upper bounds, MyHDL
> follows this concept.  The max bound is one more than
> the max value.
>
> (python exclusive upper bound)
> http://stackoverflow.com/a/11364711/760977
>
> Regards,
> Chris
>
>
>
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