Puts acceptance criteria on the output page. Changed default values so they...

Puts acceptance criteria on the output page. Changed default values so they are bit more interesting.

ui/example_input

-ini_temp 0.15
+ini_temp 0.05
 final_temp 0.01
 x_ini 1,2,3,4,5,6
 n_step 100000

ui/output_tab.go

@@ -14,8 +14,10 @@ package ui
 
 import (
 	"bytes"
+	"fmt"
 	"os"
 
+	mcwork "example.com/ackley_mc/mc_work"
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
 	"fyne.io/fyne/v2/container"
@@ -24,6 +26,14 @@ import (
 	"fyne.io/fyne/v2/widget"
 )
 
+// runStatTxt should summarise some of the statistics
+func runStatTxt (rslt * mcwork.MCresult) fyne.Widget {
+	txt := fmt.Sprintf ("Num steps %d\nNum accepted %d\nacceptance rate %.1f %%",
+		rslt.NStep, rslt.NAcc, (float32(rslt.NAcc)/float32(rslt.NStep)) * 100.)
+	r := widget.NewLabel( txt)
+	return r
+}
+
 // If we get a message with an error, display it
 func showErrTab(cntr *fyne.Container, err error) {
 	cntr.Objects = nil
@@ -126,12 +136,14 @@ func (*rbox) Layout(objects []fyne.CanvasObject, cntrSize fyne.Size) {
 }
 
 // showResultsTab shows buttons on the left and two plots on the right
-func showResultsTab(cntr *fyne.Container, win fyne.Window, fdata, xdata []byte) {
+func showResultsTab(cntr *fyne.Container, win fyne.Window, rslt mcwork.MCresult) {
 	cntr.Objects = nil
-	fImage := png2image(fdata, "function.png")
-	xImage := png2image(xdata, "xdata.png")
-	right := container.New(&rbox{}, fImage, xImage)
-	left := leftbar(win, fdata, xdata)
+	fImage := png2image(rslt.Fdata, "function.png")
+	xImage := png2image(rslt.Xdata, "xdata.png")
+	rbox := container.New(&rbox{}, fImage, xImage)
+	right := container.NewVSplit (rbox, runStatTxt(&rslt))
+	right.SetOffset(0.99)
+	left := leftbar(win, rslt.Fdata, rslt.Xdata)
 
 	split := container.NewHSplit(left, right)
 	split.SetOffset(0.01)
@@ -148,7 +160,7 @@ func outputTab(genParams genParams, cntr *fyne.Container, form *widget.Form) {
 		case calculating:
 			showCalcTab(cntr)
 		case resultsReady:
-			showResultsTab(cntr, genParams.win, s.Fdata, s.Xdata)
+			showResultsTab(cntr, genParams.win, s.MCresult)
 			form.Enable()
 			form.Refresh()
 		case errorCalc: