full2half_circ {cylcop}

Convert Angle from Full Circle to Half Circle

Description

Converts an angle from the full circle (i.e. in the interval [0, 2\pi)) to an angle on the half circle (i.e. in the interval [-\pi, \pi)).

Usage

full2half_circ(angle)

Arguments

angle

numeric value of an angle or a circular-object in [0, 2\pi).

Value

The numeric value of the angle in [-\pi, \pi).

Examples

full2half_circ(0 * pi) / pi
full2half_circ(0.5 * pi) / pi
full2half_circ(1 * pi) / pi
full2half_circ(1.5 * pi) / pi
full2half_circ(2 * pi) / pi