9fans - fans of the OS Plan 9 from Bell Labs
 help / color / mirror / Atom feed
From: Charles Forsyth <charles.forsyth@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] kenc vlong <asop> double
Date: Sun, 13 Sep 2015 19:31:29 +0100	[thread overview]
Message-ID: <CAOw7k5ig=WiwPZ19Y16bePDR1n=ZZ0GCkYxds7iqo9hLrRDKoQ@mail.gmail.com> (raw)
In-Reply-To: <bac2de0b10f7ef9740c546ea6bb45679@brasstown.quanstro.net>

[-- Attachment #1: Type: text/plain, Size: 490 bytes --]

On 13 September 2015 at 19:21, erik quanstrom <quanstro@quanstro.net> wrote:

> isn't the && !mixedasop() added to the condition the problem:
> the cast should not be elided if it's a float/double.  t
>

the test is correct, because in mixed-mode assignment, you want to do the
calculation in float/double,
then convert it to the integer type, not convert the rhs float/double to
the integer type at the start.
ie, I += D  is I = I+D which is I = (double)I + D, not I += (int)D;

[-- Attachment #2: Type: text/html, Size: 908 bytes --]

  reply	other threads:[~2015-09-13 18:31 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-13  8:09 cinap_lenrek
2015-09-13 13:45 ` erik quanstrom
2015-09-13 14:23   ` cinap_lenrek
2015-09-13 15:54     ` Charles Forsyth
2015-09-13 17:10     ` Charles Forsyth
2015-09-13 18:01       ` cinap_lenrek
2015-09-13 18:21         ` erik quanstrom
2015-09-13 18:31           ` Charles Forsyth [this message]
2015-09-13 18:28             ` erik quanstrom
2015-09-13 18:33         ` Charles Forsyth
2015-09-13 18:46           ` cinap_lenrek
2015-09-13 18:55             ` Charles Forsyth
2015-09-14 12:32               ` Charles Forsyth
2015-09-14 12:59                 ` cinap_lenrek
2015-09-14 13:18                   ` Charles Forsyth
2015-09-14 13:59                     ` Charles Forsyth
2015-09-14 14:50                       ` cinap_lenrek

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to='CAOw7k5ig=WiwPZ19Y16bePDR1n=ZZ0GCkYxds7iqo9hLrRDKoQ@mail.gmail.com' \
    --to=charles.forsyth@gmail.com \
    --cc=9fans@9fans.net \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).