mirror of https://github.com/python/cpython
Patch 543387. Document deprecation of complex %, //,and divmod().
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@ -248,9 +248,9 @@ def my_import(name):
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\end{funcdesc}
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\begin{funcdesc}{divmod}{a, b}
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Take two numbers as arguments and return a pair of numbers consisting
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of their quotient and remainder when using long division. With mixed
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operand types, the rules for binary arithmetic operators apply. For
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Take two (non complex) numbers as arguments and return a pair of numbers
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consisting of their quotient and remainder when using long division. With
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mixed operand types, the rules for binary arithmetic operators apply. For
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plain and long integers, the result is the same as
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\code{(\var{a} / \var{b}, \var{a} \%{} \var{b})}.
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For floating point numbers the result is \code{(\var{q}, \var{a} \%{}
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@ -218,8 +218,8 @@ to coerce numbers to a specific type.
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\bifuncindex{float}
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\bifuncindex{complex}
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All numeric types support the following operations, sorted by
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ascending priority (operations in the same box have the same
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All numeric types (except complex) support the following operations,
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sorted by ascending priority (operations in the same box have the same
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priority; all numeric operations have a higher priority than
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comparison operations):
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@ -229,7 +229,7 @@ comparison operations):
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\hline
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\lineiii{\var{x} * \var{y}}{product of \var{x} and \var{y}}{}
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\lineiii{\var{x} / \var{y}}{quotient of \var{x} and \var{y}}{(1)}
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\lineiii{\var{x} \%{} \var{y}}{remainder of \code{\var{x} / \var{y}}}{}
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\lineiii{\var{x} \%{} \var{y}}{remainder of \code{\var{x} / \var{y}}}{(4)}
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\hline
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\lineiii{-\var{x}}{\var{x} negated}{}
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\lineiii{+\var{x}}{\var{x} unchanged}{}
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@ -240,7 +240,7 @@ comparison operations):
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\lineiii{float(\var{x})}{\var{x} converted to floating point}{}
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\lineiii{complex(\var{re},\var{im})}{a complex number with real part \var{re}, imaginary part \var{im}. \var{im} defaults to zero.}{}
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\lineiii{\var{c}.conjugate()}{conjugate of the complex number \var{c}}{}
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\lineiii{divmod(\var{x}, \var{y})}{the pair \code{(\var{x} / \var{y}, \var{x} \%{} \var{y})}}{(3)}
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\lineiii{divmod(\var{x}, \var{y})}{the pair \code{(\var{x} / \var{y}, \var{x} \%{} \var{y})}}{(3)(4)}
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\lineiii{pow(\var{x}, \var{y})}{\var{x} to the power \var{y}}{}
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\lineiii{\var{x} ** \var{y}}{\var{x} to the power \var{y}}{}
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\end{tableiii}
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@ -273,6 +273,12 @@ for well-defined conversions.
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See section \ref{built-in-funcs}, ``Built-in Functions,'' for a full
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description.
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\item[(4)]
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Complex floor division operator, modulo operator, and \function{divmod()}.
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\deprecated{2.3}{Instead convert to float using \function{abs()}
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if appropriate.}
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\end{description}
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% XXXJH exceptions: overflow (when? what operations?) zerodivision
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@ -689,7 +689,7 @@ The integer division and modulo operators are connected by the
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following identity: \code{x == (x/y)*y + (x\%y)}. Integer division and
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modulo are also connected with the built-in function \function{divmod()}:
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\code{divmod(x, y) == (x/y, x\%y)}. These identities don't hold for
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floating point and complex numbers; there similar identities hold
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floating point numbers; there similar identities hold
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approximately where \code{x/y} is replaced by \code{floor(x/y)}) or
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\code{floor(x/y) - 1} (for floats),\footnote{
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If x is very close to an exact integer multiple of y, it's
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@ -697,8 +697,13 @@ approximately where \code{x/y} is replaced by \code{floor(x/y)}) or
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\code{(x-x\%y)/y} due to rounding. In such cases, Python returns
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the latter result, in order to preserve that \code{divmod(x,y)[0]
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* y + x \%{} y} be very close to \code{x}.
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} or \code{floor((x/y).real)} (for
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complex).
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}.
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Complex floor division operator, modulo operator, and
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\function{divmod()}.
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\deprecated{2.3}{Instead convert to float using \function{abs()}
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if appropriate.}
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The \code{+} (addition) operator yields the sum of its arguments.
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The arguments must either both be numbers or both sequences of the
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