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