Example #1
0
File: main.go Project: ahh/remedial
func main() {
	f, _ := os.Open(os.Args[1])
	defer f.Close()
	v := vec.MakeVector(0, 0)
	for {
		var i int
		n, _ := fmt.Fscanf(f, "%d,", &i)
		if n == 0 {
			n, _ = fmt.Fscanf(f, "%d", &i)
			if n == 0 {
				break
			}
		}
		// fmt.Printf("Got: %d\n", i)
		v.Push_back(i)
	}
	sorter.MSort(&v)
	last := -1
	for v := range v.Items() {
		if last > v {
			fmt.Printf("%d > %d ???\n", last, v)
		}
		last = v
		fmt.Printf("%d\n", v)
	}
}
Example #2
0
func mhelp(v *vec.Vector, b, e int, c chan int) {
	if debug {
		fmt.Printf("mhelp(%d, %d)\n", b, e)
	}

	if (e - b) < 1 {
		c <- 1
		return
	}
	c1 := make(chan int)
	c2 := make(chan int)
	mid := (e-b)/2 + b
	go mhelp(v, b, mid, c1)
	go mhelp(v, mid+1, e, c2)
	<-c1
	<-c2
	i := b
	j := mid + 1
	l := e - b + 1
	sorted := vec.MakeVector(l, 0)
	p := 0
	for i <= mid && j <= e {
		var m int
		if *v.At(i) < *v.At(j) {
			m = *v.At(i)
			i++
		} else {
			m = *v.At(j)
			j++
		}
		*sorted.At(p) = m
		p++
	}
	for i <= mid {
		*sorted.At(p) = *v.At(i)
		i++
		p++
	}

	for j <= e {
		*sorted.At(p) = *v.At(j)
		j++
		p++
	}
	for ix := 0; ix < l; ix++ {
		*v.At(b + ix) = *sorted.At(ix)
	}
	c <- 1
}