Sha256: 50a031a7556a3877388a8046670f9e23c807733762de5f0b20f35a06ac17a146
Contents?: true
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Versions: 18
Compression:
Stored size: 1.31 KB
Contents
describe Integer, "#augmented_amicable?" do
# A007992, A015630
@seq = [6160,12220,23500,68908,249424,425500,434784,
649990,660825,1017856,1077336,1238380,1252216,
1568260,1754536,2166136,2362360,2482536,2537220,
2876445,3957525,4177524,4287825,5224660,5559510,
5641552].zip(
[11697,16005,28917,76245,339825,570405,871585,
697851,678376,1340865,2067625,1823925,1483785,
1899261,2479065,2580105,4895241,4740505,5736445,
3171556,4791916,6516237,4416976,7524525,9868075,
7589745])
@seq.each do |m, n|
it "should return true for augmented amicable pair (#{m}, #{n})" do
m.augmented_amicable?(n).should be_true
end
it "should return true for augmented amicable pair (#{n}, #{m})" do
n.augmented_amicable?(m).should be_true
end
end
[[234,234], [78982,72101], [13,7], [100019,276281], [1,0]].each do |m, n|
it "should return false for non-augmented amicable pair (#{m}, #{n})" do
m.augmented_amicable?(n).should be_false
end
it "should return false for non-augmented amicable pair (#{n}, #{m})" do
n.augmented_amicable?(m).should be_false
end
end
it "should return false for amicable but non-augmented pair (220, 284)" do
220.augmented_amicable?(284).should be_false
end
end
Version data entries
18 entries across 18 versions & 1 rubygems