display as fraction

cmd/convergents.go

@@ -54,16 +54,21 @@ func convergents(cmd *cobra.Command, args []string) {
 
 	seq(h, hprev, a0)
 	seq(k, kprev, a0)
-	fmt.Println(h, k)
+
+	r := new(big.Rat).SetFrac(h, k)
+	fmt.Println(r)
 
 	for i := 0; true; i = (i + 1) % len(denoms) {
 		a := &denoms[i]
 		seq(h, hprev, a)
 		seq(k, kprev, a)
-		fmt.Println(h, k)
+
+		r.SetFrac(h, k)
+		fmt.Println(r)
 	}
 }
 
+// FIXME: should support an initial block of non-periodic denominators (will need flags)
 // convergentsCmd represents the convergents command
 var convergentsCmd = &cobra.Command{
 	Use:   "convergents N N [N ...]",