Rooba
/
cpython
mirror of https://github.com/python/cpython.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Added a missing "|" in the grammar productions used in the reference manual 

(reported by François Pinard).
Added some missing "_" characters in the same cluster of productions.
Added missing floor division operator in m_expr production, and mention
floor division in the relevant portion of the text.
This commit is contained in:
Fred Drake 2002-04-30 02:18:51 +00:00
parent 67d687a114
commit af93c4c8d9
1 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
Doc/ref/ref5.tex
View File

@ -648,11 +648,12 @@ operators:
\begin{productionlist} \begin{productionlist}
\production{m_expr} \production{m_expr}
{\token{u_expr} | \token{m_expr} "*" \token{u_expr} {\token{u_expr} | \token{m_expr} "*" \token{u_expr}
| \token{m_expr} "//" \token{u_expr}
| \token{m_expr} "/" \token{u_expr}} | \token{m_expr} "/" \token{u_expr}}
\productioncont{| \token{m_expr} "\%" \token{u_expr}} \productioncont{| \token{m_expr} "\%" \token{u_expr}}
\production{a_expr} \production{a_expr}
{\token{m_expr} | \token{aexpr} "+" \token{m_expr} {\token{m_expr} | \token{a_expr} "+" \token{m_expr}
\token{aexpr} "-" \token{m_expr}} | \token{a_expr} "-" \token{m_expr}}
\end{productionlist} \end{productionlist}
The \code{*} (multiplication) operator yields the product of its The \code{*} (multiplication) operator yields the product of its
@ -663,11 +664,12 @@ then multiplied together. In the latter case, sequence repetition is
performed; a negative repetition factor yields an empty sequence. performed; a negative repetition factor yields an empty sequence.
\index{multiplication} \index{multiplication}
The \code{/} (division) operator yields the quotient of its The \code{/} (division) and \code{//} (floor division) operators yield
arguments. The numeric arguments are first converted to a common the quotient of their arguments. The numeric arguments are first
type. Plain or long integer division yields an integer of the same converted to a common type. Plain or long integer division yields an
type; the result is that of mathematical division with the `floor' integer of the same type; the result is that of mathematical division
function applied to the result. Division by zero raises the with the `floor' function applied to the result. Division by zero
raises the
\exception{ZeroDivisionError} exception. \exception{ZeroDivisionError} exception.
\exindex{ZeroDivisionError} \exindex{ZeroDivisionError}
\index{division} \index{division}