1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
# frozen_string_literal: true
module TTFunk
# Scientific number representation
class SciForm
# Significand
# @return [Float, Integer]
attr_reader :significand
# Exponent
# @return [Float, Integer]
attr_reader :exponent
# @param significand [Float, Integer]
# @param exponent [Float, Integer]
def initialize(significand, exponent = 0)
@significand = significand
@exponent = exponent
end
# Convert to Float.
#
# @return [Float]
def to_f
significand * (10**exponent)
end
# Check equality to another number.
#
# @param other [Float, SciForm]
# @return [Boolean]
def ==(other)
case other
when Float
other == to_f # rubocop: disable Lint/FloatComparison
when self.class
other.significand == significand &&
other.exponent == exponent
else
false
end
end
alias eql? ==
end
end
|
