1 files changed, 19 insertions, 0 deletions
diff --git a/libgo/go/math/example_test.go b/libgo/go/math/example_test.go
index 50c7426..9fc1967 100644
--- a/libgo/go/math/example_test.go
+++ b/libgo/go/math/example_test.go
@@ -219,3 +219,22 @@ func ExampleTrunc() {
 	// 3.00
 	// -1.00
 }
+
+func ExampleCbrt() {
+	fmt.Printf("%.2f\n", math.Cbrt(8))
+	fmt.Printf("%.2f\n", math.Cbrt(27))
+	// Output:
+	// 2.00
+	// 3.00
+}
+
+func ExampleModf() {
+	int, frac := math.Modf(3.14)
+	fmt.Printf("%.2f, %.2f\n", int, frac)
+
+	int, frac = math.Modf(-2.71)
+	fmt.Printf("%.2f, %.2f\n", int, frac)
+	// Output:
+	// 3.00, 0.14
+	// -2.00, -0.71
+}