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From: Gabriel Dos_Reis <gdosreis@sophia.inria.fr>
To: Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
Cc: Gabriel Dos_Reis <Gabriel.Dos_Reis@sophia.inria.fr>,
	gcc@gcc.gnu.org, tim@hollebeek.com
Subject: Re: What is acceptable for -ffast-math? (Was: associative law incombine)
Date: Wed, 01 Aug 2001 11:12:00 -0000	[thread overview]
Message-ID: <15208.17962.179912.327778@perceval.inria.fr> (raw)
In-Reply-To: <Pine.SOL.4.10.10108011901530.29695-100000@eros>

| and probably a whole lot of other things that are equally "dubious".
| 
| 
| > But then, if they would have written that form in the first place.
| 
| But, as I said, there might be cases where you can't write it in an
| optimized way in the first place, such as in
|   inline double f() { return a/b; }
|   inline double g() { return c;   }
|   x = f()/g();
| plus inlining. 

But then is 0.0 is acceptable for 0.125 for speed?

-- Gaby

  reply	other threads:[~2001-08-01 11:12 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-01  9:46 Wolfgang Bangerth
2001-08-01  9:58 ` Gabriel Dos_Reis
2001-08-01 10:08   ` Wolfgang Bangerth
2001-08-01 11:12     ` Gabriel Dos_Reis [this message]
2001-08-01 11:27       ` What is acceptable for -ffast-math? (Was: associative law in combine) Theodore Papadopoulo
2001-08-01 11:47         ` Gabriel Dos_Reis
2001-08-03  7:32           ` Nick Ing-Simmons
2001-08-03  6:01       ` Per Abrahamsen
  -- strict thread matches above, loose matches on Subject: below --
2001-08-01 11:44 Gabriel Dos Reis
2001-08-01 11:58 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-08-01 10:38 What is acceptable for -ffast-math? (Was: associative law in combine) dewar
2001-08-01 10:46 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-08-01 10:58   ` Gabriel Dos_Reis
2001-08-01 10:28 What is acceptable for -ffast-math? (Was: associative law in combine) Gabriel Dos_Reis
2001-08-01 10:41 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-08-01 10:55   ` Gabriel Dos_Reis
2001-08-01 10:13 What is acceptable for -ffast-math? (Was: associative law in combine) dewar
2001-08-01 10:32 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-08-01  9:24 What is acceptable for -ffast-math? (Was: associative law in combine) Tim Hollebeek
2001-08-01  9:54 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-08-01 10:26   ` Gabriel Dos_Reis
2001-08-01 10:35     ` Linus Torvalds
2001-08-01 10:45       ` Gabriel Dos_Reis
2001-07-31 17:37 What is acceptable for -ffast-math? (Was: associative law in combine) dewar
2001-07-31 19:05 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-07-31  7:26 What is acceptable for -ffast-math? (Was: associative law in combine) dewar
2001-07-31 17:28 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-07-30 21:43 What is acceptable for -ffast-math? (Was: associative law in combine) Joern Rennecke
2001-07-31 18:12 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-07-30 21:11 What is acceptable for -ffast-math? (Was: associative law in combine) Gabriel Dos Reis
2001-07-31 18:12 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-07-30 19:22 What is acceptable for -ffast-math? (Was: associative law in combine) Alexandre Oliva
2001-07-30 21:31 ` What is acceptable for -ffast-math? (Was: associative law incombine) Mark Mitchell
2001-07-30 16:29 What is acceptable for -ffast-math? (Was: associative law in combine) Alexandre Oliva
2001-07-30 17:21 ` What is acceptable for -ffast-math? (Was: associative law incombine) Joseph S. Myers
2001-07-30 13:10 What is acceptable for -ffast-math? (Was: associative law in combine) dewar
2001-07-31  2:54 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-07-30  8:59 What is acceptable for -ffast-math? (Was: associative law in combine) mike stump
2001-07-30 15:46 ` What is acceptable for -ffast-math? (Was: associative law incombine) Stephen L Moshier
2001-07-30  6:00 What is acceptable for -ffast-math? (Was: associative law in combine) dewar
2001-07-30 10:34 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-07-30  0:23 What is acceptable for -ffast-math? (Was: associative law in combine) Gabriel Dos Reis
2001-07-30 11:37 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-07-29 14:22 What is acceptable for -ffast-math? (Was: associative law in combine) dewar
2001-07-29 21:33 ` What is acceptable for -ffast-math? (Was: associative law incombine) Linus Torvalds
2001-07-29 12:52 * Re: What is acceptable for -ffast-math? (Was: associative lawin combine) Linus Torvalds
2001-07-29 14:03 ` What is acceptable for -ffast-math? (Was: associative law incombine) Stephen L Moshier
2001-07-29 21:08   ` Linus Torvalds

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