RosettaCodeData/Task/Van-der-Corput-sequence/V-(Vlang)/van-der-corput-sequence.v
2023-07-01 13:44:08 -04:00

40 lines
709 B
V

fn v2(nn u32) f64 {
mut n:=nn
mut r := f64(0)
mut p := .5
for n > 0 {
if n&1 == 1 {
r += p
}
p *= .5
n >>= 1
}
return r
}
fn new_v(base u32) fn(u32) f64 {
invb := 1 / f64(base)
return fn[base,invb](nn u32) f64 {
mut n:=nn
mut r := f64(0)
mut p := invb
for n > 0 {
r += p * f64(n%base)
p *= invb
n /= base
}
return r
}
}
fn main() {
println("Base 2:")
for i := u32(0); i < 10; i++ {
println('$i ${v2(i)}')
}
println("Base 3:")
v3 := new_v(3)
for i := u32(0); i < 10; i++ {
println('$i ${v3(i)}')
}
}