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Re: Integer cosine function

From mhx@iae.nl (Marcel Hendrix)
Subject Re: Integer cosine function
Newsgroups comp.lang.forth
Message-ID <17789018018434@frunobulax.edu> (permalink)
Date 2013-02-17 13:57 +0200
References <e9dccc41-1a28-438d-bfa9-cadfc703137f@googlegroups.com>
Organization Wanadoo

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Brad Eckert <hwfwguy@gmail.com> writes Re: Integer cosine function

> Here's an integer cosine I just wrote that has pretty good precision. 
> Testbench is included. I'm posting it here in case someone wants to add 
> more transcendental functions or if I want to find it again in 20 years.
[..]

If the latter, please rewrite for 64-bits (or more ;-)
Of course, in another 20 years FP hardware will be standard.

-marcel

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Integer cosine function Brad Eckert <hwfwguy@gmail.com> - 2013-02-16 07:35 -0800
  Re: Integer cosine function mhx@iae.nl (Marcel Hendrix) - 2013-02-17 13:57 +0200
    Re: Integer cosine function Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-02-17 09:40 -0600
      Re: Integer cosine function "Elizabeth D. Rather" <erather@forth.com> - 2013-02-17 07:51 -1000
        Re: Integer cosine function mhx@iae.nl (Marcel Hendrix) - 2013-02-17 19:06 +0200
          Re: Integer cosine function anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-02-18 14:46 +0000
          Re: Integer cosine function Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2013-02-19 20:01 +0100
            Re: Integer cosine function mhx@iae.nl (Marcel Hendrix) - 2013-02-19 21:34 +0200
              Re: Integer cosine function Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2013-02-19 21:46 +0100
            Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-02-19 15:55 -0800
              Re: Integer cosine function Coos Haak <chforth@hccnet.nl> - 2013-02-21 00:59 +0100
        Re: Integer cosine function Brad Eckert <hwfwguy@gmail.com> - 2013-02-18 09:19 -0800
          Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-02-18 14:27 -0500
          Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-18 20:53 +0100
            Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-02-18 19:10 -0800
              Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-19 13:13 +0100
              Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-02-19 23:04 -0500
            Re: Integer cosine function Gary Bergstrom <g.bergstrom@ieee.org> - 2013-02-20 10:00 -0800
              Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-21 13:04 +0100
                Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-02-21 19:03 -0500
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-22 02:45 +0100
                Re: Integer cosine function Mark Wills <markrobertwills@yahoo.co.uk> - 2013-02-22 02:32 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-22 16:01 +0100
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-02-22 22:07 -0800
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-02-23 10:27 -0500
                Re: Integer cosine function Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-02-22 03:59 -0600
                Re: Integer cosine function Mark Wills <markrobertwills@yahoo.co.uk> - 2013-02-22 02:30 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-22 15:56 +0100
                Re: Integer cosine function Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2013-02-22 16:13 +0100
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-22 17:45 +0100
                Re: Integer cosine function Zbiggy <zbigniew2011REMOVE@gmail.REMOVE.com> - 2013-02-22 18:44 +0100
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-22 19:19 +0100
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-02-22 14:43 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-23 01:30 +0100
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-02-22 21:51 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-24 01:43 +0100
                Re: Integer cosine function anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-02-25 17:55 +0000
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-25 21:01 +0100
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-02-25 23:22 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-26 15:11 +0100
                Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-02-27 08:05 -0500
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-02-27 22:14 -0500
                Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-02-27 22:56 -0500
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-03-01 21:37 -0500
                Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-03-07 13:12 -0500
                Re: Integer cosine function Brad Eckert <hwfwguy@gmail.com> - 2013-02-28 08:00 -0800
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-03-01 21:38 -0500
                Re: Integer cosine function Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2013-02-28 16:55 +0000
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-03-01 21:38 -0500
                Re: Integer cosine function Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2013-03-04 11:08 +0000
                Re: Integer cosine function Mark Wills <markrobertwills@yahoo.co.uk> - 2013-03-04 03:39 -0800
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-03-04 20:49 -0500
                Re: Integer cosine function stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-05 10:20 +0000
                Re: Integer cosine function Mark Wills <markrobertwills@yahoo.co.uk> - 2013-03-07 00:12 -0800
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotq.cpm> - 2013-03-08 04:21 -0500
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-03-04 20:50 -0500
                Re: Integer cosine function Gerry Jackson <gerry@jackson9000.fsnet.co.uk> - 2013-03-05 07:16 +0000
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotq.cpm> - 2013-03-06 17:56 -0500
                Re: Integer cosine function Mark Wills <markrobertwills@yahoo.co.uk> - 2013-03-07 00:24 -0800
                Re: Integer cosine function Mark Wills <markrobertwills@yahoo.co.uk> - 2013-03-07 07:34 -0800
                Re: Integer cosine function Lars Brinkhoff <lars.spam@nocrew.org> - 2013-02-28 12:57 +0100
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-28 17:07 +0100
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-02-28 19:37 -0800
                Re: Integer cosine function stephenXXX@mpeforth.com (Stephen Pelc) - 2013-03-01 10:56 +0000
                Re: Integer cosine function anton@mips.complang.tuwien.ac.at (Anton Ertl) - 2013-03-01 13:52 +0000
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-03-05 17:48 -0800
                Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-03-13 17:44 -0400
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-03-01 21:36 -0500
                Re: Integer cosine function Elizabeth D Rather <erather@forth.com> - 2013-03-01 19:14 -1000
                Re: Integer cosine function mhx@iae.nl (Marcel Hendrix) - 2013-03-02 09:34 +0200
                Re: Integer cosine function kenney@cix.compulink.co.uk - 2013-03-02 09:06 -0600
                Re: Integer cosine function Brad Eckert <hwfwguy@gmail.com> - 2013-02-26 08:53 -0800
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-02-26 16:59 -0500
                Re: Integer cosine function albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-02-27 00:52 +0000
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-02-27 04:07 -0500
                Re: Integer cosine function "WJ" <w_a_x_man@yahoo.com> - 2013-03-05 20:51 +0000
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-03-05 17:58 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-06 16:39 +0100
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-03-06 14:21 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-07 00:11 +0100
                Re: Integer cosine function albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-03-06 23:44 +0000
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-03-06 16:24 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-07 01:59 +0100
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-03-06 19:48 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-03-07 16:22 +0100
                Re: Integer cosine function "WJ" <w_a_x_man@yahoo.com> - 2013-03-06 23:37 +0000
                Re: Integer cosine function "Rod Pemberton" <do_not_have@notemailnotz.cnm> - 2013-02-23 09:54 -0500
                Re: Integer cosine function "WJ" <w_a_x_man@yahoo.com> - 2013-03-05 21:03 +0000
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-03-05 15:59 -0800
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-03-05 16:38 -0800
                Re: Integer cosine function Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-02-22 12:07 -0600
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-22 19:39 +0100
                Re: Integer cosine function "Elizabeth D. Rather" <erather@forth.com> - 2013-02-22 09:23 -1000
                Re: Integer cosine function Andrew Haley <andrew29@littlepinkcloud.invalid> - 2013-02-23 04:44 -0600
                Re: Integer cosine function Hugh Aguilar <hughaguilar96@yahoo.com> - 2013-02-22 13:00 -0800
                Re: Integer cosine function Bernd Paysan <bernd.paysan@gmx.de> - 2013-02-23 01:09 +0100
                Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-02-22 21:16 -0500
                Re: Integer cosine function rickman <gnuarm@gmail.com> - 2013-02-22 20:28 -0500
  Re: Integer cosine function Gary Bergstrom <g.bergstrom@ieee.org> - 2013-02-27 07:59 -0800
    Re: Integer cosine function Brad Eckert <hwfwguy@gmail.com> - 2013-02-27 08:48 -0800
      Re: Integer cosine function Gary Bergstrom <g.bergstrom@ieee.org> - 2013-02-27 10:23 -0800
      Re: Integer cosine function Gary Bergstrom <g.bergstrom@ieee.org> - 2013-03-15 10:14 -0700
        Re: Integer cosine function Brad Eckert <hwfwguy@gmail.com> - 2013-03-15 13:19 -0700
          Re: Integer cosine function Brad Eckert <hwfwguy@gmail.com> - 2013-03-15 13:28 -0700
            Re: Integer cosine function Gary Bergstrom <g.bergstrom@ieee.org> - 2013-03-15 21:13 -0700

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