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Re: should c be a subset of c++?

From glen herrmannsfeldt <gah@ugcs.caltech.edu>
Newsgroups comp.lang.c
Subject Re: should c be a subset of c++?
Date 2015-11-08 21:43 +0000
Organization Aioe.org NNTP Server
Message-ID <n1ofle$3s0$2@speranza.aioe.org> (permalink)
References (6 earlier) <09a3b7e3-0b7e-4317-b52d-9c9fcfc4f5a8@googlegroups.com> <e752e6b6-8d79-4516-8cb7-0ecf8c4c794c@googlegroups.com> <3bd88b3f-d82e-4f9f-90d6-9532ce7148eb@googlegroups.com> <0dfda730-5606-4617-96fd-59818042d7d6@googlegroups.com> <4e2d1a1e-6f46-4323-82bd-831cd1c79b96@googlegroups.com>

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Rick C. Hodgin <rick.c.hodgin@gmail.com> wrote:

(snip)

> I would imagine the implementations later employed in hardware had
> their roots in software algorithms which were optimized for the same
> reason ... there was something inherent in using radians which made
> them the choice ... both in software algorithms, and in hardware
> implementations.  Just a guess though.

No, it is only theoretical mathematics that likes radians.
In hardware or software binary fractions of a circle are best.

You can get ROM sine/cosine look-up tables, always in binary fractions
of a circle, and never in radians.

-- glen

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Re: should c be a subset of c++? "J. Clarke" <j.clarke.873638@gmail.com> - 2015-11-06 19:02 -0500
  Re: should c be a subset of c++? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-07 01:15 +0000
    Re: should c be a subset of c++? James Kuyper <jameskuyper@verizon.net> - 2015-11-06 20:51 -0500
      Re: should c be a subset of c++? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-07 03:07 +0000
        Re: should c be a subset of c++? James Kuyper <jameskuyper@verizon.net> - 2015-11-06 23:45 -0500
          Re: should c be a subset of c++? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-07 06:39 +0000
            Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-07 00:45 -0800
              Re: should c be a subset of c++? supercat@casperkitty.com - 2015-11-07 16:37 -0800
                Re: should c be a subset of c++? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-07 16:45 -0800
                Re: should c be a subset of c++? supercat@casperkitty.com - 2015-11-08 08:14 -0800
                Re: should c be a subset of c++? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-08 09:42 -0800
                Re: should c be a subset of c++? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-08 21:43 +0000
                Re: should c be a subset of c++? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-08 13:53 -0800
                Re: should c be a subset of c++? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-08 13:56 -0800
                Re: should c be a subset of c++? supercat@casperkitty.com - 2015-11-08 14:27 -0800
                Re: should c be a subset of c++? Richard Heathfield <rjh@cpax.org.uk> - 2015-11-08 21:56 +0000
                Re: should c be a subset of c++? David Brown <david.brown@hesbynett.no> - 2015-11-08 23:05 +0100
                Re: should c be a subset of c++? "Rick C. Hodgin" <rick.c.hodgin@gmail.com> - 2015-11-08 14:20 -0800
                Re: should c be a subset of c++? David Brown <david.brown@hesbynett.no> - 2015-11-09 10:10 +0100
                Re: should c be a subset of c++? Geoff <geoff@invalid.invalid> - 2015-11-13 14:25 -0800
                Re: should c be a subset of c++? Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-13 17:32 -0500
                Re: should c be a subset of c++? Geoff <geoff@invalid.invalid> - 2015-11-13 15:38 -0800
                Re: should c be a subset of c++? raltbos@xs4all.nl (Richard Bos) - 2015-11-10 17:01 +0000
                Re: should c be a subset of c++? Richard Heathfield <rjh@cpax.org.uk> - 2015-11-10 17:15 +0000
                Re: should c be a subset of c++? Eric Sosman <esosman@comcast-dot-net.invalid> - 2015-11-08 17:47 -0500
                Re: should c be a subset of c++? David Brown <david.brown@hesbynett.no> - 2015-11-08 23:04 +0100
                Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 14:22 -0800
                Re: should c be a subset of c++? supercat@casperkitty.com - 2015-11-08 14:31 -0800
                Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 14:38 -0800
                Re: should c be a subset of c++? Richard Damon <Richard@Damon-Family.org> - 2015-11-08 19:50 -0500
                Re: should c be a subset of c++? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-09 01:36 +0000
                Re: should c be a subset of c++? David Brown <david.brown@hesbynett.no> - 2015-11-09 12:33 +0100
                Re: should c be a subset of c++? raltbos@xs4all.nl (Richard Bos) - 2015-11-10 17:03 +0000
                Re: should c be a subset of c++? Richard Damon <Richard@Damon-Family.org> - 2015-11-08 19:24 -0500
                Re: should c be a subset of c++? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2015-11-09 01:16 +0000
                Re: should c be a subset of c++? raltbos@xs4all.nl (Richard Bos) - 2015-11-10 17:06 +0000
                Re: should c be a subset of c++? Richard Damon <Richard@Damon-Family.org> - 2015-11-08 14:55 -0500
                Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 12:03 -0800
                Re: should c be a subset of c++? Richard Damon <Richard@Damon-Family.org> - 2015-11-08 20:01 -0500
                Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 02:31 -0800
                Re: should c be a subset of c++? Richard Damon <Richard@Damon-Family.org> - 2015-11-09 08:19 -0500
                Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 08:47 -0800
                Re: should c be a subset of c++? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-09 22:45 +0000
                Re: should c be a subset of c++? Keith Thompson <kst-u@mib.org> - 2015-11-09 14:56 -0800
                Re: should c be a subset of c++? supercat@casperkitty.com - 2015-11-09 15:24 -0800
                Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 15:56 -0800
                Re: should c be a subset of c++? Richard Damon <Richard@Damon-Family.org> - 2015-11-09 21:54 -0500
                Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-09 19:07 -0800
                Re: should c be a subset of c++? Richard Damon <Richard@Damon-Family.org> - 2015-11-10 08:37 -0500
                Re: should c be a subset of c++? raltbos@xs4all.nl (Richard Bos) - 2015-11-10 17:07 +0000
                Re: should c be a subset of c++? supercat@casperkitty.com - 2015-11-08 12:35 -0800
                Re: should c be a subset of c++? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2015-11-08 13:02 -0800
                Re: should c be a subset of c++? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-08 21:40 +0000
                Trig functions and radians supercat@casperkitty.com - 2015-11-08 13:54 -0800
                Re: should c be a subset of c++? Geoff <geoff@invalid.invalid> - 2015-11-13 14:18 -0800
                Re: should c be a subset of c++? supercat@casperkitty.com - 2015-11-13 14:55 -0800
                Re: should c be a subset of c++? glen herrmannsfeldt <gah@ugcs.caltech.edu> - 2015-11-08 01:02 +0000
                Re: should c be a subset of c++? Richard Damon <Richard@Damon-Family.org> - 2015-11-07 20:39 -0500

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