From: Anh Vo <anhvofrcaus@gmail.com>
Subject: Re: Fixed-point question
Date: Sat, 27 Jun 2015 16:41:18 -0700 (PDT)
Date: 2015-06-27T16:41:18-07:00 [thread overview]
Message-ID: <de018629-34ac-44d1-ab27-eff33b38cc61@googlegroups.com> (raw)
In-Reply-To: <mmmqft$sh8$1@dont-email.me>
On Saturday, June 27, 2015 at 11:38:11 AM UTC-7, Jeffrey R. Carter wrote:
> On 06/27/2015 10:59 AM, Patrick Noffke wrote:
> > On Friday, June 26, 2015 at 11:44:07 PM UTC-5, Jeffrey R. Carter wrote:
> >>
> >> With a small of 1/180:
> >>
> >> For C1, AFAICT, the compiler will calculate N/D exactly, getting 44/3 =
> >> 14.6666...., and then convert this to Fixed_type, getting 2640/180.
> >>
> >> For C2, "/" for Fixed_Type is used, so N and D are converted to Fixed_Type
> >> first.
> >
> > My question is whether this is the right thing for the compiler to do.
>
> For C2, definitely. I'm not sure why the type conversion for C1 results in using
> the universal-real operator.
Because N and D are universal-real. In fact, if N and D are declared as Fixed_Type, C1 and C2 have the same value.
Anh Vo
next prev parent reply other threads:[~2015-06-27 23:41 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
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 [this message]
-- 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 ` Robert I. Eachus
1995-04-07 0:00 ` Robert Dewar
1995-04-07 0:00 ` Garlington KE
1995-04-07 0:00 ` Robert Dewar
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