Nothing
test_that("log2ratio works not correct", {
# log2ratio=log2(A) - log2(B)
expect_equal(log2ratio(1, 1), 0)
expect_equal(log2ratio(0, 1), -1)
expect_equal(log2ratio(1:10, 10:1), log2(1:10)-log2(10:1))
# B is 0
expect_false(is.infinite(log2ratio(1, 0)))
})
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