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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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Task/Approximate-equality/Lua/approximate-equality.lua Normal file
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function approxEquals(value, other, epsilon)
return math.abs(value - other) < epsilon
end
function test(a, b)
local epsilon = 1e-18
print(string.format("%f, %f => %s", a, b, tostring(approxEquals(a, b, epsilon))))
end
function main()
test(100000000000000.01, 100000000000000.011);
test(100.01, 100.011)
test(10000000000000.001 / 10000.0, 1000000000.0000001000)
test(0.001, 0.0010000001)
test(0.000000000000000000000101, 0.0)
test(math.sqrt(2.0) * math.sqrt(2.0), 2.0)
test(-math.sqrt(2.0) * math.sqrt(2.0), -2.0)
test(3.14159265358979323846, 3.14159265358979324)
end
main()