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From: "Jeffrey R. Carter" <spam.jrcarter.not@spam.not.acm.org>
Subject: Re: Fixed-point question
Date: Fri, 26 Jun 2015 09:56:41 -0700
Date: 2015-06-26T09:56:41-07:00	[thread overview]
Message-ID: <mmk05n$g0c$1@dont-email.me> (raw)
In-Reply-To: <249bcd57-3074-4566-b8f2-03e6923bfbce@googlegroups.com>

On 06/26/2015 06:20 AM, Patrick Noffke wrote:
> 
>    type Fixed_Type is delta 1.0 / 180.0 range 0.0 .. 65535.0 / 180.0;

What is Fixed_Type'Small?

>    C1 : constant Fixed_Type := Fixed_Type (N / D);

What is C1'Size?

If you really want to use multiples of 1/180, you probably want to do

Delta_And_Small : constant := 1.0 / 180.0;

type Fixed_Type is delta Delta_And_Small range 0.0 .. 65535.0 * Delta_And_Small;
for Fixed_Type'Small use Delta_And_Small;

-- 
Jeff Carter
"I did not rob a bank. If I'd robbed a bank, everything
would be great. I tried to rob a bank, is what happened,
and they got me."
Take the Money and Run
139

  reply	other threads:[~2015-06-26 16:56 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-06-26 13:20 Fixed-point question Patrick Noffke
2015-06-26 16:56 ` Jeffrey R. Carter [this message]
2015-06-26 18:21   ` Patrick Noffke
2015-06-26 20:21     ` Anh Vo
2015-06-26 20:25     ` Jeffrey R. Carter
2015-06-27  2:55       ` Patrick Noffke
2015-06-26 23:14     ` Qun-Ying
2015-06-27  3:00       ` Patrick Noffke
2015-06-27  4:44         ` Jeffrey R. Carter
2015-06-27 17:59           ` Patrick Noffke
2015-06-27 18:38             ` Jeffrey R. Carter
2015-06-27 19:20               ` Bob Duff
2015-06-27 19:57                 ` Jeffrey R. Carter
2015-06-27 20:42                   ` Bob Duff
2015-06-28 11:39                     ` Brian Drummond
2015-06-29 13:28                     ` Patrick Noffke
2015-06-29 14:13                       ` Bob Duff
2015-06-27 23:41               ` Anh Vo
  -- strict thread matches above, loose matches on Subject: below --
1995-04-01  0:00 Garlington KE
1995-04-06  0:00 ` Robert Dewar
1995-04-07  0:00   ` Garlington KE
1995-04-07  0:00     ` Robert Dewar
1995-04-07  0:00   ` Robert I. Eachus
1995-04-07  0:00     ` Robert Dewar
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