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UnitfulAngles

Angular units for Unitful

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UnitfulAngles

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A supplemental units package for Julia's Unitful.jl.

UnitfulAngles.jl introduces all the angular units found in Wikipedia's articles Angle § Units, Angular unit and Circular sector.

In addition to the Radian and Degree units already available in Unitful.jl, the following units are introduced: DoubleTurn, Turn, HalfTurn, Quadrant, Sextant, Octant, ClockPosition, HourAngle, CompassPoint, Hexacontade, BinaryRadian, DiameterPart, Gradian, Arcminute, and Arcsecond.

Because all the trigonometric functions work correctly regardless of the type of their argument, there is no need to convert between the units. However, to specifically convert one unit to the other, use Unitful.jl's uconvert function:

julia> using Unitful

julia> uconvert(u"clockPosition", 128u"brad")
6//1 clockPosition

Special features

  • All the trigonometric functions (sin, sinc, cos, cosc, tan, sec, csc, and cot) work as expected: ``` julia> using UnitfulAngles

julia> import UnitfulAngles: °, rad, octant

julia> sin(30°) 0.5

julia> cos(π*rad) -1.0

julia> tan(1octant) 1.0

- In order to get inverse functions (`acos`, `acot`, `acsc`, `asec`, `asin`, `atan`, and `atan2`) to return a specific unit, specify the desired unit as the first argument: 

julia> import UnitfulAngles.turn

julia> asin(turn, 1) 0.25 τ

- As a bonus, you can also convert between an angle and `Dates.Time`:

julia> convert(Dates.Time, 200u"grad") 12:00:00

julia> convert(u"sextant", Dates.Time(4,0,0)) 1.0 sextant

First Commit

07/25/2017

Last Touched

about 2 months ago

Commits

42 commits

Requires: