v / vlib / math / big / big_division_test.v
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1import math.big


2


3const d_2 = big.integer_from_int(2)


4const d_4 = big.integer_from_int(4)


5const d_10 = big.integer_from_int(10)


6


7fn test_dividing_big_numbers() {


8    mut n := 250_000


9    base := d_10.pow(u32(n - 1))


10    eprintln('> n: ${n} | base.bit_len: ${base.bit_len()}')


11    a := d_4 * base


12    b := d_2 * base


13    eprintln('> a.bit_len: ${a.bit_len()} | b.bit_len: ${b.bit_len()}')


14    assert a.bit_len() == 830481


15    assert b.bit_len() == 830480


16    c := a / b // c should be 2


17    eprintln('> c: ${c} | c.bit_len(): ${c.bit_len()}')


18    assert c.str() == '2'


19    assert c.bit_len() == 2


20}


21