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From: <git_AT_suckless.org>
Date: Wed, 11 May 2016 20:51:49 +0200 (CEST)

commit 626dc2a770207bc1398214e040166f58ec9b8df4
Author: Mattias Andrée <maandree_AT_kth.se>
AuthorDate: Wed May 11 20:50:06 2016 +0200
Commit: Mattias Andrée <maandree_AT_kth.se>
CommitDate: Wed May 11 20:50:06 2016 +0200

    Manual: use inplace addition whenever possible
    
    Signed-off-by: Mattias Andrée <maandree_AT_kth.se>

diff --git a/doc/arithmetic.tex b/doc/arithmetic.tex
index 713eedc..f16f04f 100644
--- a/doc/arithmetic.tex
+++ b/doc/arithmetic.tex
_AT_@ -87,6 +87,23 @@ is however not implemented because it is
 not deemed important enough and would
 be detrimental to libzahl's simplicity.
 
+{\tt zadd} and {\tt zadd\_unsigned} support
+in-place operation:
+
+\begin{alltt}
+ zadd(a, a, b);
+ zadd(b, a, b); \textcolor{c}{/* \textrm{should be avoided} */}
+ zadd_unsigned(a, a, b);
+ zadd_unsigned(b, a, b); \textcolor{c}{/* \textrm{should be avoided} */}
+\end{alltt}
+
+\noindent
+Use this whenever possible, it will improve
+your performance, as it will involve less
+CPU instructions for each character-addition
+and it may be possible to elementation some
+character-additions.
+
 
 \newpage
 \section{Subtraction}
Received on Wed May 11 2016 - 20:51:49 CEST