[フレーム]

Class: Date::Infinity

Inherits:
Numeric show all
Includes:
Comparable
Defined in:
opal/stdlib/date/infinity.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Numeric

#to_json , #to_n

Constructor Details

#initialize(d = 1) ⇒ Infinity

Returns a new instance of Infinity.

5
6
7
# File 'opal/stdlib/date/infinity.rb', line 5
def initialize(d = 1)
 @d = d <=> 0
end

Instance Attribute Details

#dObject (readonly)

Returns the value of attribute d.

9
10
11
# File 'opal/stdlib/date/infinity.rb', line 9
def d
 @d
end

Instance Method Details

#+@Object

35
36
37
# File 'opal/stdlib/date/infinity.rb', line 35
def +@
 self.class.new(+d)
end

#-@Object

31
32
33
# File 'opal/stdlib/date/infinity.rb', line 31
def -@
 self.class.new(-d)
end

#<=>(other) ⇒ Object

39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
# File 'opal/stdlib/date/infinity.rb', line 39
def <=>(other)
 case other
 when Infinity 
 d <=> other.d
 when Numeric 
 d
 else
 begin
 l, r = other.coerce(self)
 l <=> r
 rescue NoMethodError
 nil
 end
 end
end

#absObject

27
28
29
# File 'opal/stdlib/date/infinity.rb', line 27
def abs
 self.class.new
end

#coerce(other) ⇒ Object

55
56
57
58
59
60
61
62
# File 'opal/stdlib/date/infinity.rb', line 55
def coerce(other)
 case other
 when Numeric 
 [-d, d]
 else
 super
 end
end

#finite?Boolean

Returns:

15
16
17
# File 'opal/stdlib/date/infinity.rb', line 15
def finite?
 false
end

#infinite?Boolean

Returns:

19
20
21
# File 'opal/stdlib/date/infinity.rb', line 19
def infinite?
 d.nonzero?
end

#nan?Boolean

Returns:

23
24
25
# File 'opal/stdlib/date/infinity.rb', line 23
def nan?
 d.zero?
end

#to_fObject

64
65
66
67
68
69
70
71
# File 'opal/stdlib/date/infinity.rb', line 64
def to_f
 return 0 if @d == 0
 if @d > 0
 Float ::INFINITY
 else
 -Float ::INFINITY
 end
end

#zero?Boolean

Returns:

11
12
13
# File 'opal/stdlib/date/infinity.rb', line 11
def zero?
 false
end

AltStyle によって変換されたページ (->オリジナル) /