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author | Karl Berry <karl@freefriends.org> | 2008-02-23 00:49:54 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2008-02-23 00:49:54 +0000 |
commit | 4fc1af1461e934c39f8f5e10d5d8788681d82223 (patch) | |
tree | 7716e8a3e8787a3d11c5ce728d21b808f786ce7d /Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-math-design.tex | |
parent | 6f5a4edf390b6e05291d7a4b816782b14122a205 (diff) |
tikz/pgf 2.0 first attempt (22feb08)
git-svn-id: svn://tug.org/texlive/trunk@6741 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-math-design.tex')
-rw-r--r-- | Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-math-design.tex | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-math-design.tex b/Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-math-design.tex index d63d506db3a..e29fb81d9b7 100644 --- a/Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-math-design.tex +++ b/Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-math-design.tex @@ -80,18 +80,19 @@ different layers: Currently, the mathematical algorithms are all implemented in \TeX. This poses some intriguing programming challenges as \TeX{} is a -typesetting language not a mathematical one, and as with any -programming language, there is a trade-off between accuracy and -efficiency. If you find the level of accuracy insufficient for you +language for typesetting, rather than general mathematics, +and as with any programming language, there is a trade-off between +accuracy and efficiency. +If you find the level of accuracy insufficient for you purposes, you will have to replace the algorithms in the implementation layer. All the fancy mathematical ``bells-and-whistles'' that the parser provides, come with an additional processing cost, and in some instances, such as simply setting a length to |1cm|, with no other -operations involved, the addition processing time is undesirable. +operations involved, the additional processing time is undesirable. To overcome this, the following feature is implemented: when no -mathematical operations are required, the value in \meta{expression} +mathematical operations are required, an expression can be preceded by |+|. This will bypass the parsing process and the assignment will be orders of magnitude faster. This feature \emph{only} works with the macros for setting registers described in |