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authorOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
committerOri Bernstein <ori@eigenstate.org>2021-06-14 00:00:37 +0000
commita73a964e51247ed169d322c725a3a18859f109a3 (patch)
tree3f752d117274d444bda44e85609aeac1acf313f3 /sys/src/cmd/python/Doc/lib/libfpformat.tex
parente64efe273fcb921a61bf27d33b230c4e64fcd425 (diff)
python, hg: tow outside the environment.
they've served us well, and can ride off into the sunset.
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-\section{\module{fpformat} ---
- Floating point conversions}
-
-\declaremodule{standard}{fpformat}
-\sectionauthor{Moshe Zadka}{moshez@zadka.site.co.il}
-\modulesynopsis{General floating point formatting functions.}
-
-
-The \module{fpformat} module defines functions for dealing with
-floating point numbers representations in 100\% pure
-Python. \note{This module is unneeded: everything here could
-be done via the \code{\%} string interpolation operator.}
-
-The \module{fpformat} module defines the following functions and an
-exception:
-
-
-\begin{funcdesc}{fix}{x, digs}
-Format \var{x} as \code{[-]ddd.ddd} with \var{digs} digits after the
-point and at least one digit before.
-If \code{\var{digs} <= 0}, the decimal point is suppressed.
-
-\var{x} can be either a number or a string that looks like
-one. \var{digs} is an integer.
-
-Return value is a string.
-\end{funcdesc}
-
-\begin{funcdesc}{sci}{x, digs}
-Format \var{x} as \code{[-]d.dddE[+-]ddd} with \var{digs} digits after the
-point and exactly one digit before.
-If \code{\var{digs} <= 0}, one digit is kept and the point is suppressed.
-
-\var{x} can be either a real number, or a string that looks like
-one. \var{digs} is an integer.
-
-Return value is a string.
-\end{funcdesc}
-
-\begin{excdesc}{NotANumber}
-Exception raised when a string passed to \function{fix()} or
-\function{sci()} as the \var{x} parameter does not look like a number.
-This is a subclass of \exception{ValueError} when the standard
-exceptions are strings. The exception value is the improperly
-formatted string that caused the exception to be raised.
-\end{excdesc}
-
-Example:
-
-\begin{verbatim}
->>> import fpformat
->>> fpformat.fix(1.23, 1)
-'1.2'
-\end{verbatim}