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specify 'angle's range

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Robby Findler 2012-03-20 16:09:38 -05:00
parent a606f6614b
commit f77467311a
1 changed files with 5 additions and 1 deletions
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6
collects/scribblings/reference/numbers.scrbl
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@ -664,8 +664,12 @@ Returns the imaginary part of the complex number @racket[z] in
@defproc[(angle [z number?]) real?]{ Returns the angle of
the complex number @racket[z] in polar coordinates.
The result is guaranteed to be between @racket[(- pi)] and
@racket[pi], possibly equal to @racket[pi] (but never equal
to @racket[(- pi)]).
@mz-examples[(angle -3) (angle 3.0) (angle 3+4i) (angle +inf.0+inf.0i)]}
@mz-examples[(angle -3) (angle 3.0) (angle 3+4i) (angle +inf.0+inf.0i) (angle -1)]}
@; ------------------------------------------------------------------------
@subsection{Bitwise Operations}