improved ts.Format() info

ts/print.go

@@ -319,13 +319,15 @@ func (ts *Tensor) Format(s fmt.State, verb rune) {
 	strides := shapeToStrides(shape)
 	device := ts.MustDevice()
 	dtype := ts.DType().String()
+	defined := ts.MustDefined()
 	if verb == 'i' {
 		fmt.Fprintf(
 			s,
-			"\nTENSOR META:\n\tShape:\t\t%v\n\tDType:\t\t%v\n\tDevice:\t\t%v\n",
+			"\nTENSOR INFO:\n\tShape:\t\t%v\n\tDType:\t\t%v\n\tDevice:\t\t%v\n\tDefined:\t%v\n",
 			shape,
 			dtype,
 			device,
+			defined,
 		)
 		return
 	}

ts/print_test.go

@@ -15,5 +15,7 @@ func TestTensor_Format(t *testing.T) {
 	x := ts.MustArange(ts.IntScalar(numels), gotch.Float, gotch.CPU).MustView(shape, true)
 
 	fmt.Printf("%0.1f", x) // print truncated data
+	fmt.Printf("%i", x)    // print truncated data
+
 	// fmt.Printf("%#0.1f", x) // print full data
 }