v/vlib/v/tests/comptime_if_expr_threads_te...

28 lines
579 B
V

import math { floor, sqrt }
import arrays { sum }
fn async(arr_size int, init_val f64) f64 {
mut val_arr := []f64{}
for _ in 1 .. arr_size {
val_arr << floor((sqrt(init_val) / 2) * 3)
}
return sum(val_arr.map(it / 2)) or { f64(1) }
}
fn test_comptime_if_expr_of_threads() {
size := 2000_000
println('Async')
mut results := []thread f64{cap: 16}
for num in 0 .. 15 {
results << go async(size, num)
}
waited_results := results.wait()
println(waited_results)
sum_result := sum(waited_results) or { 1 }
println(sum_result)
assert sum_result == 4.7999976e+07
}