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From: Ada novice <shai.lesh@gmx.com>
Subject: Re: Numerical calculations: Why not use fixed point types for everything?
Date: Thu, 24 Jan 2013 02:55:37 -0800 (PST)
Date: 2013-01-24T02:55:37-08:00	[thread overview]
Message-ID: <796d0b70-fce0-454c-aeb0-3031b5eba200@googlegroups.com> (raw)
In-Reply-To: <kddeai$f9i$1@dont-email.me>

On Saturday, January 19, 2013 7:26:25 AM UTC+1, Jeffrey Carter wrote
> 
> 
> jrcarter@jrcarter-gateway-1:~/Code$ ./sum
> 
> Float took 0.007979000
> 
> Fixed took 0.008180000
> 
> jrcarter@jrcarter-gateway-1:~/Code$ ./sum
> 
> Float took 0.007971000
> 
> Fixed took 0.008278000
> 
> jrcarter@jrcarter-gateway-1:~/Code$ ./sum
> 
> Float took 0.007979000
> 
> Fixed took 0.008403000
> 
> 
> 
> It seems that floating-point operations are slightly faster than fixed point on 
> 
> a (sort of) modern processor (AMD Athlon II M300).
> 
> 
> 
> The code:
> 
> 
> 
> with Ada.Real_Time;
> 
> with Ada.Text_IO;
> 
> 
> 
> with PragmARC.Universal_Random;
> 
> 

Hi, When I run your code with GNAT GPL 2011, I get the error message: "file pragmARC.ads" not found. 

Thanks.

YC



  parent reply	other threads:[~2013-01-24 10:55 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-17 10:33 Numerical calculations: Why not use fixed point types for everything? Ada novice
2013-01-17 14:40 ` Nasser M. Abbasi
2013-01-17 16:16   ` Adam Beneschan
2013-01-17 17:00     ` Georg Bauhaus
2013-01-17 16:25 ` Adam Beneschan
2013-01-18  9:17   ` Ada novice
2013-01-18 17:24     ` J-P. Rosen
2013-01-18 17:52       ` Jeffrey Carter
2013-01-18 18:15     ` Dennis Lee Bieber
2013-01-18 18:59       ` Adam Beneschan
2013-01-19  4:41         ` Dennis Lee Bieber
2013-01-19  6:26           ` Jeffrey Carter
2013-01-19 14:14             ` Robert A Duff
2013-01-25 12:16               ` Paul Colin Gloster
2013-01-24 10:55             ` Ada novice [this message]
2013-01-24 11:47               ` Simon Wright
2013-01-24 14:21                 ` Ada novice
2013-01-20  0:05           ` Robin Vowels
2013-01-18 23:06       ` Robin Vowels
2013-01-18 19:09     ` Adam Beneschan
2013-01-18 21:39       ` Randy Brukardt
2013-01-19  7:02         ` Ada novice
2013-01-25 12:09         ` Paul Colin Gloster
2013-01-25 12:23     ` Paul Colin Gloster
2013-01-28  9:09       ` Ada novice
2013-02-01 10:53         ` Ada novice
2013-02-01 15:01           ` Shark8
2013-02-02 18:55             ` Ada novice
2013-02-03  4:05               ` Shark8
2013-02-04  6:23                 ` Ada novice
2013-02-04  6:43                   ` Niklas Holsti
2013-02-04  7:27                     ` Ada novice
2013-02-04  9:37                       ` Niklas Holsti
2013-02-04 10:09                         ` Ada novice
2013-02-04 14:24                           ` Niklas Holsti
2013-02-04 16:44                             ` Jeffrey Carter
2013-02-04 21:12                               ` Niklas Holsti
2013-02-04 17:31                             ` Robert A Duff
2013-02-04 21:20                               ` Niklas Holsti
2013-02-02 21:08           ` Nasser M. Abbasi
2013-02-04  6:17             ` Ada novice
2013-02-05  2:27               ` Randy Brukardt
2013-02-06  7:11                 ` Ada novice
2013-02-07  6:03                   ` Randy Brukardt
2013-02-07  8:43                     ` Shark8
2013-02-08  3:17                       ` Randy Brukardt
2013-02-08  6:20                     ` Ada novice
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