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Showing content from http://hackage.haskell.org/packages/archive/base/4.6.0.0/doc/html/Data-Complex.html below:

Data.Complex

Description

Complex numbers.

data Complex a Source

Complex numbers are an algebraic type.

For a complex number z, abs z is a number with the magnitude of z, but oriented in the positive real direction, whereas signum z has the phase of z, but unit magnitude.

Constructors

forms a complex number from its real and imaginary rectangular components.

polar :: RealFloat a => Complex a -> (a, a)Source

The function polar takes a complex number and returns a (magnitude, phase) pair in canonical form: the magnitude is nonnegative, and the phase in the range (-pi, pi]; if the magnitude is zero, then so is the phase.

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