abstract struct Number

• Number
• Value
• Object

Overview

The top-level number type.

Included Modules

• Comparable(Number)
• Steppable

Direct Known Subclasses

• Float

Defined in:

Constant Summary

DEGREE_TO_RADIAN = Math::PI / 180

RADIAN_TO_DEGREE = 180 / Math::PI

Instance Method Summary

• #*(other : Chem::Spatial::Vec3) : Chem::Spatial::Vec3
• #close_to?(rhs : Number, delta : Number = 0) : Bool

  Returns true if numbers are within delta from each other, else false.

• #degree
• #degrees
• #radian
• #radians
• #scale(min : Number, max : Number) : Float64

  Scales the number into the given range.

• #scale(range : Range(Number, Number)) : Float64

  Scales the number into the given range.

• #unscale(min : Number, max : Number) : Float64

  Reverts the scaling in the given range.

• #unscale(range : Range(Number, Number)) : Float64

  Reverts the scaling in the given range.

Instance Method Detail

1.0.close_to?(1.0)                          # => true
1.0_f32.close_to?(1.0)                      # => true
1.0.close_to?(1.0 + Float64::EPSILON)       # => true
1.0_f32.close_to?(1.0 + Float32::EPSILON)   # => true
1.0.close_to?(1.0005, 1e-3)                 # => true
1.0.close_to?(1.0 + Float64::EPSILON*2)     # => false
1.0_f32.close_to?(1.0 + Float32::EPSILON*2) # => false
1.0.close_to?(1.01, 1e-3)                   # => false

10.scale(0, 100)   # => 0.1
2.5.scale(0, 5)    # 0.5
401.scale(50, 500) # => 0.78

10.scale(0, 100)   # => 0.1
2.5.scale(0, 5)    # 0.5
401.scale(50, 500) # => 0.78