51 lines
1.1 KiB
V
51 lines
1.1 KiB
V
import math
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fn test_gcd() {
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assert math.gcd(6, 9) == 3
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assert math.gcd(6, -9) == 3
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assert math.gcd(-6, -9) == 3
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assert math.gcd(0, 0) == 0
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}
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fn test_lcm() {
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assert math.lcm(2, 3) == 6
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assert math.lcm(-2, 3) == 6
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assert math.lcm(-2, -3) == 6
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assert math.lcm(0, 0) == 0
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}
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fn test_digits() {
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digits_in_10th_base := math.digits(125, 10)
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assert digits_in_10th_base[0] == 5
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assert digits_in_10th_base[1] == 2
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assert digits_in_10th_base[2] == 1
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digits_in_16th_base := math.digits(15, 16)
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assert digits_in_16th_base[0] == 15
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negative_digits := math.digits(-4, 2)
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assert negative_digits[2] == -1
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}
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/*
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fn test_factorial() {
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assert math.factorial(12) == 479001600
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assert math.factorial(5) == 120
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assert math.factorial(0) == 1
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}
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*/
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fn test_erf() {
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assert math.erf(0) == 0
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assert (math.erf(1.5) + math.erf(-1.5)).eq(0)
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assert math.erfc(0) == 1
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assert (math.erf(2.5) + math.erfc(2.5)).eq(1)
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assert (math.erfc(3.6) + math.erfc(-3.6)).eq(2)
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}
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fn test_gamma() {
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assert math.gamma(1) == 1
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assert math.gamma(5) == 24
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assert math.log_gamma(4.5).eq(math.log(math.gamma(4.5)))
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}
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