Sha256: 3baa9930620ef8dc2b50654d258f1c66d49708fd9e45540ab77cc0cc03fb0f37
Contents?: true
Size: 730 Bytes
Versions: 5
Compression:
Stored size: 730 Bytes
Contents
# coding: utf-8
describe Integer, "#stirling2" do
@seq = [
[1],
[1, 1],
[1, 3, 1],
[1, 7, 6, 1],
[1, 15, 25, 10, 1],
[1, 31, 90, 65, 15, 1],
[1, 63, 301, 350, 140, 21, 1],
[1, 127, 966, 1701, 1050, 266, 28, 1],
[1, 255, 3025, 7770, 6951, 2646, 462, 36, 1],
[1, 511, 9330, 34105, 42525, 22827, 5880, 750, 45, 1]
]
@seq.to_enum.with_index(1).each do |row, n|
row.to_enum.with_index(1).each do |s, m|
it "returns #{s} as the #{n}#{n.ordinal} Stirling number of the 2nd kind (m = #{m})" do
n.stirling2(m).should == s
end
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems