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| From | Nomen Nescio <nobody@dizum.com> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: C arithmetic question. |
| References | <rubrum-72E0E9.23142118012012@news.albasani.net> |
| Message-ID | <87ed03f5182b3b9ccbd92531e5da3bd3@dizum.com> (permalink) |
| Date | 2012-01-19 12:28 +0100 |
| Organization | mail2news@dizum.com |
Michael Press <rubrum@pacbell.net> wrote: > > Of course, there are several lessons possible from any example. But I > > think "understand how unsigneds work" might be a better one in this > > case. > > I prefer mine. C does not have a consistent approach to arithmetic. > The soi disant mod operator violates the fundamental law: > > x = y (mod m) if and only if x - y is divisible by m. I don't think it violates any law. You need to understand your tools and how computers work, or you should probably quit programming. > There is nothing to gain by learning C's idiosyncratic > rules on integer types for the purpose of doing arithmetic. It has nothing to do with C, it has to do with your lack of understanding of signed and unsigned values and how hardware and software work with them.
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C arithmetic question. Michael Press <rubrum@pacbell.net> - 2012-01-18 10:32 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-18 14:03 -0500
Re: C arithmetic question. TheGunslinger <mikiesrunsbaal.sec@sbcglobal.net> - 2012-01-18 19:30 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-19 08:10 -0500
Re: C arithmetic question. Markus Wichmann <nullplan@gmx.net> - 2012-01-18 21:14 +0100
Re: C arithmetic question. "BartC" <bc@freeuk.com> - 2012-01-19 10:44 +0000
Re: C arithmetic question. Seebs <usenet-nospam@seebs.net> - 2012-01-21 21:32 +0000
Re: C arithmetic question. Peter Nilsson <airia@acay.com.au> - 2012-01-18 13:51 -0800
Re: C arithmetic question. Michael Press <rubrum@pacbell.net> - 2012-01-18 15:51 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-18 20:50 -0500
Re: C arithmetic question. Michael Press <rubrum@pacbell.net> - 2012-01-20 12:41 -0800
Re: C arithmetic question. Keith Thompson <kst-u@mib.org> - 2012-01-20 14:11 -0800
Re: C arithmetic question. gazelle@shell.xmission.com (Kenny McCormack) - 2012-01-20 22:43 +0000
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-20 17:19 -0500
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-20 17:32 -0500
And jacob navia <jacob@spamsink.net> - 2012-01-20 23:52 +0100
Re: And Markus Wichmann <nullplan@gmx.net> - 2012-01-21 19:23 +0100
Re: And Keith Thompson <kst-u@mib.org> - 2012-01-21 13:20 -0800
Re: And jacob navia <jacob@spamsink.net> - 2012-01-21 23:02 +0100
Re: And Markus Wichmann <nullplan@gmx.net> - 2012-01-22 15:24 +0100
Re: And Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-22 15:40 +0000
Re: And blp@cs.stanford.edu (Ben Pfaff) - 2012-01-21 11:02 -0800
Re: C arithmetic question. Rui Maciel <rui.maciel@gmail.com> - 2012-01-24 18:53 +0000
Re: C arithmetic question. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-19 02:09 +0000
Re: C arithmetic question. Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2012-01-18 23:00 -0700
Re: C arithmetic question. Michael Press <rubrum@pacbell.net> - 2012-01-18 23:14 -0800
Re: C arithmetic question. Ike Naar <ike@sverige.freeshell.org> - 2012-01-19 08:41 +0000
Re: C arithmetic question. Michael Press <rubrum@pacbell.net> - 2012-01-20 12:43 -0800
Re: C arithmetic question. Kaz Kylheku <kaz@kylheku.com> - 2012-01-20 22:17 +0000
Re: C arithmetic question. Michael Press <rubrum@pacbell.net> - 2012-01-21 00:12 -0800
Re: C arithmetic question. Seebs <usenet-nospam@seebs.net> - 2012-01-21 21:32 +0000
Re: C arithmetic question. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-21 23:21 +0000
Re: C arithmetic question. Robert Wessel <robertwessel2@yahoo.com> - 2012-01-22 00:48 -0600
Re: C arithmetic question. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-22 11:45 +0000
Re: C arithmetic question. Robert Wessel <robertwessel2@yahoo.com> - 2012-01-22 21:46 -0600
Re: C arithmetic question. Kaz Kylheku <kaz@kylheku.com> - 2012-01-23 04:17 +0000
Re: C arithmetic question. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-23 11:19 +0000
Re: C arithmetic question. Tim Rentsch <txr@alumni.caltech.edu> - 2012-01-26 10:41 -0800
Re: C arithmetic question. Seebs <usenet-nospam@seebs.net> - 2012-01-23 07:58 +0000
Re: C arithmetic question. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-23 11:06 +0000
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-23 07:03 -0500
Re: C arithmetic question. Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-01-23 17:27 +0000
Re: C arithmetic question. Keith Thompson <kst-u@mib.org> - 2012-01-19 02:38 -0800
Re: C arithmetic question. Dr Nick <3-nospam@temporary-address.org.uk> - 2012-01-20 07:30 +0000
Re: C arithmetic question. Nomen Nescio <nobody@dizum.com> - 2012-01-19 12:28 +0100
Re: C arithmetic question. Michael Press <rubrum@pacbell.net> - 2012-01-20 12:44 -0800
Re: C arithmetic question. 88888 Dihedral <dihedral88888@googlemail.com> - 2012-01-20 13:14 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-19 08:45 -0500
Re: C arithmetic question. Chad <cdalten@gmail.com> - 2012-01-24 08:14 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-24 12:15 -0500
Re: C arithmetic question. Chad <cdalten@gmail.com> - 2012-01-24 09:26 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-24 12:39 -0500
Re: C arithmetic question. Chad <cdalten@gmail.com> - 2012-01-24 10:03 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-24 13:23 -0500
Re: C arithmetic question. Chad <cdalten@gmail.com> - 2012-01-24 10:40 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-24 14:35 -0500
Re: C arithmetic question. Chad <cdalten@gmail.com> - 2012-01-24 12:04 -0800
Re: C arithmetic question. Chad <cdalten@gmail.com> - 2012-01-24 12:02 -0800
Re: C arithmetic question. Kleuske <kleuske@nowhere.net> - 2012-01-24 20:26 +0000
Re: C arithmetic question. Chad <cdalten@gmail.com> - 2012-01-24 13:45 -0800
Re: C arithmetic question. James Kuyper <jameskuyper@verizon.net> - 2012-01-24 15:40 -0500
Re: C arithmetic question. Chad <cdalten@gmail.com> - 2012-01-24 12:09 -0800
Re: C arithmetic question. Rui Maciel <rui.maciel@gmail.com> - 2012-01-24 18:48 +0000
Re: C arithmetic question. "osmium" <r124c4u102@comcast.net> - 2012-01-19 08:12 -0600
Re: C arithmetic question. Geoff <geoff@invalid.invalid> - 2012-01-20 15:33 -0800
Re: C arithmetic question. Kleuske <kleuske@nowhere.net> - 2012-01-27 08:17 +0000
Re: C arithmetic question. Geoff <geoff@invalid.invalid> - 2012-01-27 13:37 -0800
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