Sha256: 8171e4054e5787067820017a0b5359ce1544df567427f532dc02acf49c3fa6cc
Contents?: true
Size: 658 Bytes
Versions: 396
Compression:
Stored size: 658 Bytes
Contents
class Hexadecimal
BASE = 16
attr_reader :digits
def initialize(decimal)
@digits = decimal.reverse.chars
end
def to_decimal
return 0 unless valid?
decimal = 0
digits.each_with_index do |digit, index|
decimal += values[digit] * BASE**index
end
decimal
end
def valid?
!digits.to_a.join('')[/[^0-9a-f]/, 0]
end
def values
{
'0' => 0,
'1' => 1,
'2' => 2,
'3' => 3,
'4' => 4,
'5' => 5,
'6' => 6,
'7' => 7,
'8' => 8,
'9' => 9,
'a' => 10,
'b' => 11,
'c' => 12,
'd' => 13,
'e' => 14,
'f' => 15
}
end
end
Version data entries
396 entries across 396 versions & 1 rubygems