[hackers] [libzahl] refsheet: a <- sgn b: use ~ between sgn and b || Mattias Andrée

[git]

commit 53f835608d2bfbf6e71a7e699486e79e58a7fcbb
Author:     Mattias Andrée <maand...@kth.se>
AuthorDate: Sun May 1 14:39:13 2016 +0200
Commit:     Mattias Andrée <maand...@kth.se>
CommitDate: Sun May 1 14:39:13 2016 +0200

    refsheet: a <- sgn b: use ~ between sgn and b
    
    Signed-off-by: Mattias Andrée <maand...@kth.se>

diff --git a/doc/refsheet.tex b/doc/refsheet.tex
index 1ce48fe..765ec48 100644
--- a/doc/refsheet.tex
+++ b/doc/refsheet.tex
@@ -128,7 +128,7 @@ Unless specified otherwise, returns are {\tt void} and all 
parameters are of typ
 %\\
 
 \textbf{Number theory} \\
-\entry{zsignum(a, b)}     {$a \gets \mbox{sgn} b$} {}
+\entry{zsignum(a, b)}     {$a \gets \mbox{sgn}~b$} {}
 \entry{zeven(a)}          {Is $a$ even?}           {returns {\tt int} 1 (true) 
or 0 (false)}
 \entry{zeven\_nonzero(a)} {Is $a$ even?}           {ditto, assumes $a \neq 0$}
 \entry{zodd(a)}           {Is $a$ odd?}            {returns {\tt int} 1 (true) 
or 0 (false)}