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From: Jeffrey Carter <spam.jrcarter.not@spam.not.acm.org>
Newsgroups: comp.lang.ada
Subject: Re: RFC:  Generic Fixed-Point IIR Filter
Date: Thu, 26 Mar 2015 13:39:24 -0700
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Date: 2015-03-26T13:39:24-07:00
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On 03/26/2015 01:34 PM, Randy Brukardt wrote:
> 
> A result of universal-fixed always has to be converted immediately to 
> another type. It's not legal to use it directly. Specifically, 4.5.5(19.1/2) 
> says: "The above two fixed-fixed multiplying operators shall not be used in 
> a context where the expected type for the result is itself universal_fixed 
> ".

So there's always an expected subtype? I thought in a string of operations in an
expression, there was no expected type until the conversion of the result to the
expected subtype of the entire expression.

-- 
Jeff Carter
"Since I strongly believe that overpopulation is by
far the greatest problem in the world, this [Soylent
Green] would be my only message movie."
Charleton Heston
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