mirror of
https://github.com/python/cpython
synced 2024-09-05 08:17:45 +00:00
Fixed up formatting.
This commit is contained in:
parent
1b914b3397
commit
b55e07f4eb
|
@ -7,56 +7,92 @@ This module is always available.
|
|||
It provides access to the mathematical functions defined by the C
|
||||
standard.
|
||||
They are:
|
||||
\iftexi
|
||||
|
||||
\begin{funcdesc}{acos}{x}
|
||||
\funcline{asin}{x}
|
||||
\funcline{atan}{x}
|
||||
\funcline{atan2}{x, y}
|
||||
\funcline{ceil}{x}
|
||||
\funcline{cos}{x}
|
||||
\funcline{cosh}{x}
|
||||
\funcline{exp}{x}
|
||||
\funcline{fabs}{x}
|
||||
\funcline{floor}{x}
|
||||
\funcline{fmod}{x, y}
|
||||
\funcline{frexp}{x}
|
||||
\funcline{hypot}{x, y}
|
||||
\funcline{ldexp}{x, y}
|
||||
\funcline{log}{x}
|
||||
\funcline{log10}{x}
|
||||
\funcline{modf}{x}
|
||||
\funcline{pow}{x, y}
|
||||
\funcline{sin}{x}
|
||||
\funcline{sinh}{x}
|
||||
\funcline{sqrt}{x}
|
||||
\funcline{tan}{x}
|
||||
\funcline{tanh}{x}
|
||||
Return the arc cosine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{asin}{x}
|
||||
Return the arc sine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{atan}{x}
|
||||
Return the arc tangent of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{atan2}{x, y}
|
||||
Return \code{atan(x / y)}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{ceil}{x}
|
||||
Return the ceiling of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{cos}{x}
|
||||
Return the cosine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{cosh}{x}
|
||||
Return the hyperbolic cosine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{exp}{x}
|
||||
Return the exponential value $\mbox{e}^x$.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{fabs}{x}
|
||||
Return the absolute value of the real \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{floor}{x}
|
||||
Return the floor of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{fmod}{x, y}
|
||||
Return \code{x \% y}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{frexp}{x}
|
||||
Return the matissa and exponent for \var{x}. The mantissa is
|
||||
positive.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{hypot}{x, y}
|
||||
Return the Euclidean distance, \code{sqrt(x*x + y*y)}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{ldexp}{x, i}
|
||||
Return $x {\times} 2^i$.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{modf}{x}
|
||||
Return the fractional and integer parts of \var{x}. Both results
|
||||
carry the sign of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{pow}{x, y}
|
||||
Return $x^y$.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{sin}{x}
|
||||
Return the sine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{sinh}{x}
|
||||
Return the hyperbolic sine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{sqrt}{x}
|
||||
Return the square root of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{tan}{x}
|
||||
Return the tangent of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{tanh}{x}
|
||||
Return the hyperbolic tangent of \var{x}.
|
||||
\end{funcdesc}
|
||||
\else
|
||||
\code{acos(\varvars{x})},
|
||||
\code{asin(\varvars{x})},
|
||||
\code{atan(\varvars{x})},
|
||||
\code{atan2(\varvars{x\, y})},
|
||||
\code{ceil(\varvars{x})},
|
||||
\code{cos(\varvars{x})},
|
||||
\code{cosh(\varvars{x})},
|
||||
\code{exp(\varvars{x})},
|
||||
\code{fabs(\varvars{x})},
|
||||
\code{floor(\varvars{x})},
|
||||
\code{fmod(\varvars{x\, y})},
|
||||
\code{frexp(\varvars{x})},
|
||||
\code{hypot(\varvars{x\, y})},
|
||||
\code{ldexp(\varvars{x\, y})},
|
||||
\code{log(\varvars{x})},
|
||||
\code{log10(\varvars{x})},
|
||||
\code{modf(\varvars{x})},
|
||||
\code{pow(\varvars{x\, y})},
|
||||
\code{sin(\varvars{x})},
|
||||
\code{sinh(\varvars{x})},
|
||||
\code{sqrt(\varvars{x})},
|
||||
\code{tan(\varvars{x})},
|
||||
\code{tanh(\varvars{x})}.
|
||||
\fi
|
||||
|
||||
Note that \code{frexp} and \code{modf} have a different call/return
|
||||
pattern than their C equivalents: they take a single argument and
|
||||
|
@ -64,14 +100,13 @@ 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:
|
||||
\iftexi
|
||||
\begin{datadesc}{pi}
|
||||
\dataline{e}
|
||||
\end{datadesc}
|
||||
\else
|
||||
\code{pi} and \code{e}.
|
||||
\fi
|
||||
|
||||
\begin{seealso}
|
||||
\seealso{cmath}{versions of these functions that can handle complex numbers}
|
||||
\end{seealso}
|
||||
\begin{datadesc}{pi}
|
||||
The mathematical constant \emph{pi}.
|
||||
\end{datadesc}
|
||||
|
||||
\begin{datadesc}{e}
|
||||
The mathematical constant \emph{e}.
|
||||
\end{datadesc}
|
||||
|
||||
See also the \code{cmath} versions of many of these functions.
|
||||
|
|
151
Doc/libmath.tex
151
Doc/libmath.tex
|
@ -7,56 +7,92 @@ This module is always available.
|
|||
It provides access to the mathematical functions defined by the C
|
||||
standard.
|
||||
They are:
|
||||
\iftexi
|
||||
|
||||
\begin{funcdesc}{acos}{x}
|
||||
\funcline{asin}{x}
|
||||
\funcline{atan}{x}
|
||||
\funcline{atan2}{x, y}
|
||||
\funcline{ceil}{x}
|
||||
\funcline{cos}{x}
|
||||
\funcline{cosh}{x}
|
||||
\funcline{exp}{x}
|
||||
\funcline{fabs}{x}
|
||||
\funcline{floor}{x}
|
||||
\funcline{fmod}{x, y}
|
||||
\funcline{frexp}{x}
|
||||
\funcline{hypot}{x, y}
|
||||
\funcline{ldexp}{x, y}
|
||||
\funcline{log}{x}
|
||||
\funcline{log10}{x}
|
||||
\funcline{modf}{x}
|
||||
\funcline{pow}{x, y}
|
||||
\funcline{sin}{x}
|
||||
\funcline{sinh}{x}
|
||||
\funcline{sqrt}{x}
|
||||
\funcline{tan}{x}
|
||||
\funcline{tanh}{x}
|
||||
Return the arc cosine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{asin}{x}
|
||||
Return the arc sine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{atan}{x}
|
||||
Return the arc tangent of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{atan2}{x, y}
|
||||
Return \code{atan(x / y)}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{ceil}{x}
|
||||
Return the ceiling of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{cos}{x}
|
||||
Return the cosine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{cosh}{x}
|
||||
Return the hyperbolic cosine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{exp}{x}
|
||||
Return the exponential value $\mbox{e}^x$.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{fabs}{x}
|
||||
Return the absolute value of the real \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{floor}{x}
|
||||
Return the floor of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{fmod}{x, y}
|
||||
Return \code{x \% y}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{frexp}{x}
|
||||
Return the matissa and exponent for \var{x}. The mantissa is
|
||||
positive.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{hypot}{x, y}
|
||||
Return the Euclidean distance, \code{sqrt(x*x + y*y)}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{ldexp}{x, i}
|
||||
Return $x {\times} 2^i$.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{modf}{x}
|
||||
Return the fractional and integer parts of \var{x}. Both results
|
||||
carry the sign of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{pow}{x, y}
|
||||
Return $x^y$.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{sin}{x}
|
||||
Return the sine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{sinh}{x}
|
||||
Return the hyperbolic sine of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{sqrt}{x}
|
||||
Return the square root of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{tan}{x}
|
||||
Return the tangent of \var{x}.
|
||||
\end{funcdesc}
|
||||
|
||||
\begin{funcdesc}{tanh}{x}
|
||||
Return the hyperbolic tangent of \var{x}.
|
||||
\end{funcdesc}
|
||||
\else
|
||||
\code{acos(\varvars{x})},
|
||||
\code{asin(\varvars{x})},
|
||||
\code{atan(\varvars{x})},
|
||||
\code{atan2(\varvars{x\, y})},
|
||||
\code{ceil(\varvars{x})},
|
||||
\code{cos(\varvars{x})},
|
||||
\code{cosh(\varvars{x})},
|
||||
\code{exp(\varvars{x})},
|
||||
\code{fabs(\varvars{x})},
|
||||
\code{floor(\varvars{x})},
|
||||
\code{fmod(\varvars{x\, y})},
|
||||
\code{frexp(\varvars{x})},
|
||||
\code{hypot(\varvars{x\, y})},
|
||||
\code{ldexp(\varvars{x\, y})},
|
||||
\code{log(\varvars{x})},
|
||||
\code{log10(\varvars{x})},
|
||||
\code{modf(\varvars{x})},
|
||||
\code{pow(\varvars{x\, y})},
|
||||
\code{sin(\varvars{x})},
|
||||
\code{sinh(\varvars{x})},
|
||||
\code{sqrt(\varvars{x})},
|
||||
\code{tan(\varvars{x})},
|
||||
\code{tanh(\varvars{x})}.
|
||||
\fi
|
||||
|
||||
Note that \code{frexp} and \code{modf} have a different call/return
|
||||
pattern than their C equivalents: they take a single argument and
|
||||
|
@ -64,14 +100,13 @@ 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:
|
||||
\iftexi
|
||||
\begin{datadesc}{pi}
|
||||
\dataline{e}
|
||||
\end{datadesc}
|
||||
\else
|
||||
\code{pi} and \code{e}.
|
||||
\fi
|
||||
|
||||
\begin{seealso}
|
||||
\seealso{cmath}{versions of these functions that can handle complex numbers}
|
||||
\end{seealso}
|
||||
\begin{datadesc}{pi}
|
||||
The mathematical constant \emph{pi}.
|
||||
\end{datadesc}
|
||||
|
||||
\begin{datadesc}{e}
|
||||
The mathematical constant \emph{e}.
|
||||
\end{datadesc}
|
||||
|
||||
See also the \code{cmath} versions of many of these functions.
|
||||
|
|
Loading…
Reference in a new issue