RosettaCodeData/Task/Approximate-equality/V-(Vlang)/approximate-equality.v
2026-04-30 12:34:36 -04:00

22 lines
549 B
V

import math
fn aeq(a f64, b f64) bool {
return math.abs(a - b) <= math.abs(a) * 1e-14
}
fn test(a f64, b f64) {
print("${a} ${b} -> ")
if aeq(a, b) { println("true") }
else { println("false") }
}
fn main() {
test(100000000000000.01, 100000000000000.011)
test(100.01, 100.011)
test(10000000000000.001 / 10000, 1000000000.0000001)
test(0.001, 0.0010000001)
test(1.01e-22, 0)
test(math.sqrt(2) * math.sqrt(2), 2)
test(-math.sqrt(2) * math.sqrt(2), -2)
test(3.14159265358979323846, 3.14159265358979324)
}