mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-11-25 21:11:09 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 10

Added descriptions for log() and log10().

Browse source 
Clarified that floor() and ceil() return reals.  Same for the integer part
returned by modf().

Some markup consistency changes.
This commit is contained in:
Fred Drake 1998-01-22 17:37:50 +00:00
parent bceaf35a63
commit 7c418ed89c
2 changed files with 34 additions and 16 deletions
Download patch file Download diff file Expand all files Collapse all files

25
Doc/lib/libmath.tex
View file

@ -4,7 +4,7 @@
\bimodindex{math}
\renewcommand{\indexsubitem}{(in module math)}
This module is always available.
It provides access to the mathematical functions defined by the C
It provides access to the mathematical functions defined by the \C{}
standard.
They are:
@ -25,7 +25,7 @@ Return \code{atan(\var{x} / \var{y})}.
\end{funcdesc}
\begin{funcdesc}{ceil}{x}
Return the ceiling of \var{x}.
Return the ceiling of \var{x} as a real.
\end{funcdesc}
\begin{funcdesc}{cos}{x}
@ -45,7 +45,7 @@ Return the absolute value of the real \var{x}.
\end{funcdesc}
\begin{funcdesc}{floor}{x}
Return the floor of \var{x}.
Return the floor of \var{x} as a real.
\end{funcdesc}
\begin{funcdesc}{fmod}{x, y}
@ -65,9 +65,17 @@ Return the Euclidean distance, \code{sqrt(\var{x}*\var{x} + \var{y}*\var{y})}.
Return \code{\var{x} * (2**\var{i})}.
\end{funcdesc}
\begin{funcdesc}{log}{x}
Return the natural logarithm of \var{x}.
\end{funcdesc}
\begin{funcdesc}{log10}{x}
Return the base-10 logarithm of \var{x}.
\end{funcdesc}
\begin{funcdesc}{modf}{x}
Return the fractional and integer parts of \var{x}. Both results
carry the sign of \var{x}.
carry the sign of \var{x}. The integer part is returned as a real.
\end{funcdesc}
\begin{funcdesc}{pow}{x, y}
@ -94,10 +102,11 @@ Return the tangent of \var{x}.
Return the hyperbolic tangent of \var{x}.
\end{funcdesc}
Note that \code{frexp} and \code{modf} have a different call/return
pattern than their C equivalents: they take a single argument and
return a pair of values, rather than returning their second return
value through an `output parameter' (there is no such thing in Python).
Note that \function{frexp()} and \function{modf()} have a different
call/return pattern than their \C{} equivalents: they take a single
argument and return a pair of values, rather than returning their
second return value through an `output parameter' (there is no such
thing in Python).
The module also defines two mathematical constants: