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-rw-r--r--Master/texmf-dist/doc/generic/pgf/text-en/pgfmanual-en-math-design.tex17
1 files changed, 11 insertions, 6 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 e29fb81d9b7..e12380bd8ae 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
@@ -46,8 +46,8 @@ The mathematical engine of \pgfname\ is loaded automatically by
not need \pgfname\ itself, you can load the following package:
\begin{package}{pgfmath}
- This command will load the mathematical engine of \pgfname, but not
- \pgfname\ itself. It defines commands like |\pgfmathparse|.
+ This command will load the mathematical engine of \pgfname, but not
+ \pgfname itself. It defines commands like |\pgfmathparse|.
\end{package}
@@ -57,7 +57,8 @@ Like \pgfname\ itself, the mathematical engine is also structured into
different layers:
\begin{enumerate}
-\item The top layer, which you will typically use directly, provides
+\item
+ The top layer, which you will typically use directly, provides
the command |\pgfmathparse|. This command parses a mathematical
expression and evaluates it.
@@ -65,11 +66,15 @@ different layers:
similar to the macros of the |calc| package for setting dimensions
and counters. These macros are just wrappers around the
|\pgfmathparse| macro.
-\item The calculation layer provides macros for performing one
+
+\item
+ The calculation layer provides macros for performing one
specific computation like computing a reciprocal or a
multiplication. The parser uses these macros for the actual
computation.
-\item The implementation layer provides the actual implementations of
+
+\item
+ The implementation layer provides the actual implementations of
the computations. These can be changed (and possibly be made more
efficient) without affecting the higher layers.
\end{enumerate}
@@ -80,7 +85,7 @@ different layers:
Currently, the mathematical algorithms are all implemented in \TeX.
This poses some intriguing programming challenges as \TeX{} is a
-language for typesetting, rather than general mathematics,
+language for typesetting, rather than for 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