Sha256: 215fd923addc3d2d20409121588fd95ef81d0babbb97c20d549a9f48ea4be7cf
Contents?: true
Size: 848 Bytes
Versions: 20
Compression:
Stored size: 848 Bytes
Contents
describe Integer, "#amicable?" do
# List from Systematic Computations on Amicable Numbers; Alanen, Ore, &
# Stemple (http://www.jstor.org/pss/2004169)
@seq = [220,284,1184,1210,2620,2924,5020,5564,6232,6368,
10744,10856,12285,14595,17296,18416,63020,76084,
66928,66992,67095,71145,69615,87633,79750,88730,
100485,124155,122265,139815,122368,123152,141664,
153176,142310,168730].to_seq
@seq.each_slice(2) do |n, m|
it "should return true for amicable pair #{n}, #{m}" do
n.amicable?(m).should be_true
end
it "should return true for amicable pair #{m}, #{n}" do
m.amicable?(n).should be_true
end
end
@seq.invert.sample(10).each_slice(2) do |n, m|
it "should return false for non-amicable pair #{n}, #{m}" do
n.amicable?(m).should be_false
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems