func generate(ch chan float, i int) {
go func() {
t, t_ave := 0.0, 2.0
for j := 0; j < i; j++ {
ch <- t
t += t_ave * float(rand.ExpFloat64())
}
ch <- t_ave * float(i) * 5.0
}()
}
func (q *queue) pass(out chan<- float, middle <-chan float, i int) {
t_buf, t_ave := 0.0, 0.5
for j := 0; j < i; j++ {
t := <-middle
if t > t_buf {
t_buf = t
}
t_buf += t_ave * float(rand.ExpFloat64())
out <- t_buf
q.qs.log(t_buf - t)
}
}