Sha256: f1c6ee5a2a15c34687a8d9c7c64227b3c25b928a065e205caf75437dcfc8ff78
Contents?: true
Size: 1.03 KB
Versions: 15
Compression:
Stored size: 1.03 KB
Contents
describe Integer, "#unitary_amicable?" do
# A002952, A002953
@seq = [114,1140,18018,32130,44772,56430,67158,142310,
180180,197340,241110,296010,308220,462330,591030,
669900,671580,785148,815100,1004850,1077890,
1080150,1156870,1177722,1222650,1281540,1475810,
1511930,1571388].zip(
[126,1260,22302,40446,49308,64530,73962,168730,
223020,286500,242730,429750,365700,548550,618570,
827700,739620,827652,932100,1241550,1099390,
1291050,1292570,1241478,1398150,1621500,1669150,
1598470,1654212])
@seq.each do |m, n|
it "should return true for unitary amicable pair (#{m},#{n})" do
m.unitary_amicable?(n).should be_true
end
it "should return true for unitary amicable pair (#{n},#{m})" do
n.unitary_amicable?(m).should be_true
end
o, p = n+m, @seq.reject{|pair| pair == [n, m]}.sample.last
it "should return false for non-unitary amicable pair (#{o},#{p})" do
o.unitary_amicable?(p).should_not be_true
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems