diff --git a/vlib/math/math_test.v b/vlib/math/math_test.v index cf50fdd7cb..3a50915909 100644 --- a/vlib/math/math_test.v +++ b/vlib/math/math_test.v @@ -1,55 +1,54 @@ -import math +module math fn test_gcd() { - assert math.gcd(6, 9) == 3 - assert math.gcd(6, -9) == 3 - assert math.gcd(-6, -9) == 3 - assert math.gcd(0, 0) == 0 + assert gcd(6, 9) == 3 + assert gcd(6, -9) == 3 + assert gcd(-6, -9) == 3 + assert gcd(0, 0) == 0 } fn test_lcm() { - assert math.lcm(2, 3) == 6 - assert math.lcm(-2, 3) == 6 - assert math.lcm(-2, -3) == 6 - assert math.lcm(0, 0) == 0 + assert lcm(2, 3) == 6 + assert lcm(-2, 3) == 6 + assert lcm(-2, -3) == 6 + assert lcm(0, 0) == 0 } fn test_digits() { - digits_in_10th_base := math.digits(125, 10) + digits_in_10th_base := digits(125, 10) assert digits_in_10th_base[0] == 5 assert digits_in_10th_base[1] == 2 assert digits_in_10th_base[2] == 1 - digits_in_16th_base := math.digits(15, 16) + digits_in_16th_base := digits(15, 16) assert digits_in_16th_base[0] == 15 - negative_digits := math.digits(-4, 2) + negative_digits := digits(-4, 2) assert negative_digits[2] == -1 } fn test_factorial() { - assert math.factorial(12) == 479001600 - assert math.factorial(5) == 120 - assert math.factorial(0) == 1 + assert factorial(12) == 479001600 + assert factorial(5) == 120 + assert factorial(0) == 1 } fn test_erf() { - assert math.erf(0) == 0 - assert math.erf(1.5) + math.erf(-1.5) == 0 - assert math.erfc(0) == 1 - assert math.erf(2.5) + math.erfc(2.5) == 1 - assert math.erfc(3.6) + math.erfc(-3.6) == 2 + assert erf(0) == 0 + assert erf(1.5) + erf(-1.5) == 0 + assert erfc(0) == 1 + assert erf(2.5) + erfc(2.5) == 1 + assert erfc(3.6) + erfc(-3.6) == 2 } fn test_gamma() { - assert math.gamma(1) == 1 - assert math.gamma(5) == 24 - + assert gamma(1) == 1 + assert gamma(5) == 24 sval := '2.453737' - assert math.log_gamma(4.5).str() == sval - assert math.log(math.gamma(4.5)).str() == sval - assert math.abs( math.log_gamma(4.5) - math.log(math.gamma(4.5)) ) < 0.000001 - // assert math.log_gamma(4.5) == math.log(math.gamma(4.5)) /* <-- fails on alpine/musl + assert log_gamma(4.5).str() == sval + assert log(gamma(4.5)).str() == sval + assert abs( log_gamma(4.5) - log(gamma(4.5)) ) < 0.000001 + // assert log_gamma(4.5) == log(gamma(4.5)) /* <-- fails on alpine/musl } fn test_mod() { @@ -59,4 +58,4 @@ fn test_mod() { mut a := 10 a %= 2 assert a == 0 -} +}