Module: Sevgi::Function::Math

Included in:: Sevgi::Function

Defined in:: lib/sevgi/geometry/internal/math.rb

Instance Method Summary collapse

Instance Method Details

#acos(value) ⇒ `Object`

6	# File 'lib/sevgi/geometry/internal/math.rb', line 6 def acos(value) = to_degrees(::Math.acos(value))

#acot(value) ⇒ `Object`

8	# File 'lib/sevgi/geometry/internal/math.rb', line 8 def acot(value) = 90.0 - to_degrees(::Math.atan(value))

#asin(value) ⇒ `Object`

10	# File 'lib/sevgi/geometry/internal/math.rb', line 10 def asin(value) = to_degrees(::Math.asin(value))

#atan(value) ⇒ `Object`

12	# File 'lib/sevgi/geometry/internal/math.rb', line 12 def atan(value) = to_degrees(::Math.atan(value))

#complement(degrees) ⇒ `Object`

14	# File 'lib/sevgi/geometry/internal/math.rb', line 14 def complement(degrees) = 90.0 - degrees

#cos(degrees) ⇒ `Object`

16	# File 'lib/sevgi/geometry/internal/math.rb', line 16 def cos(degrees) = ::Math.cos(to_radians(degrees))

#cot(degrees) ⇒ `Object`

18	# File 'lib/sevgi/geometry/internal/math.rb', line 18 def cot(degrees) = 1.0 / ::Math.tan(to_radians(degrees))

#golden ⇒ `Object`

20	# File 'lib/sevgi/geometry/internal/math.rb', line 20 def golden = @golden \|\|= ((1.0 + ::Math.sqrt(5)) / 2.0)

#horizontal?(degrees, precision = nil) ⇒ `Boolean`

Returns:

(Boolean)

22	# File 'lib/sevgi/geometry/internal/math.rb', line 22 def horizontal?(degrees, precision = nil) = zero?(degrees % 180.0, precision:)

#nangle(degrees) ⇒ `Object`

24	# File 'lib/sevgi/geometry/internal/math.rb', line 24 def nangle(degrees) = degrees - 90.0

#sin(degrees) ⇒ `Object`

26	# File 'lib/sevgi/geometry/internal/math.rb', line 26 def sin(degrees) = ::Math.sin(to_radians(degrees))

#sqrt2 ⇒ `Object`

28	# File 'lib/sevgi/geometry/internal/math.rb', line 28 def sqrt2 = @sqrt2 \|\|= ::Math.sqrt(2)

#sqrt2h ⇒ `Object`

30	# File 'lib/sevgi/geometry/internal/math.rb', line 30 def sqrt2h = @sqrt2h \|\|= (sqrt2 / 2.0)

#tan(degrees) ⇒ `Object`

32	# File 'lib/sevgi/geometry/internal/math.rb', line 32 def tan(degrees) = ::Math.tan(to_radians(degrees))

#to_degrees(radians) ⇒ `Object`

34	# File 'lib/sevgi/geometry/internal/math.rb', line 34 def to_degrees(radians) = radians.to_f * 180 / ::Math::PI

#to_radians(degrees) ⇒ `Object`

36	# File 'lib/sevgi/geometry/internal/math.rb', line 36 def to_radians(degrees) = degrees.to_f / 180 * ::Math::PI

#vertical?(degrees, precision = nil) ⇒ `Boolean`

Returns:

(Boolean)

38	# File 'lib/sevgi/geometry/internal/math.rb', line 38 def vertical?(degrees, precision = nil) = zero?(degrees % 90.0, precision:)