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Re: [Toon-members] TooN helpers.h
From: |
E. Rosten |
Subject: |
Re: [Toon-members] TooN helpers.h |
Date: |
Tue, 7 Apr 2009 09:39:21 +0100 (BST) |
On Tue, 7 Apr 2009, Gerhard Reitmayr wrote:
Hi,
Modified files:
. : helpers.h
Log message:
replaced unit with multiply for efficiency
shouldn't this kind of optimisation already take place in the '/' operator
function ? then its available always...
It takes place in the compiler. If you look at the commit log from "Wed
25 Mar, 2009 20:18:16" (the test of the different vector normalization
routines) the resulting asm code has one div, and a lot of muls.
-Ed
--
(You can't go wrong with psycho-rats.)(http://mi.eng.cam.ac.uk/~er258)
/d{def}def/f{/Times s selectfont}d/s{11}d/r{roll}d f 2/m{moveto}d -1
r 230 350 m 0 1 179{ 1 index show 88 rotate 4 mul 0 rmoveto}for/s 12
d f pop 235 420 translate 0 0 moveto 1 2 scale show showpage
- [Toon-members] TooN helpers.h, Tom Drummond, 2009/04/07
- [Toon-members] TooN helpers.h, Edward Rosten, 2009/04/08
- [Toon-members] TooN helpers.h, Tom Drummond, 2009/04/09
- [Toon-members] TooN helpers.h, Tom Drummond, 2009/04/14
- [Toon-members] TooN helpers.h, Gerhard Reitmayr, 2009/04/14
- [Toon-members] TooN helpers.h, Gerhard Reitmayr, 2009/04/14
- [Toon-members] TooN helpers.h, Georg Klein, 2009/04/16
- [Toon-members] TooN helpers.h, Tom Drummond, 2009/04/22