Method: When::Coordinates::Temporal::OriginAndUpperDigits#_decode_upper_structure

Defined in:
lib/when_exe/coordinates.rb

#_decode_upper_structure(source) ⇒ Array<Numeric>

上の位の除去

Parameters:

  • source (Array<Numeric>) —

    日時要素の外部表現に対応する Array

Returns:

  • (Array<Numeric>) —

    日時要素の内部表現に対応する Array



2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
 
# File 'lib/when_exe/coordinates.rb', line 2175

def _decode_upper_structure(source)
  date = source.dup
  u    = 1
  s    = 0
  @index_of_MSC.downto(1) do |i|
    s += u * (+date[i] - @indices[i-1].base) if (date[i])
    u *= @indices[i-1].unit
  end
  date[@index_of_MSC] = s + u * (+date[0]) - @origin_of_MSC
  return date[@index_of_MSC..-1]
end