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Diffstat (limited to 'libgo/go/math/all_test.go')
| -rw-r--r-- | libgo/go/math/all_test.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libgo/go/math/all_test.go b/libgo/go/math/all_test.go index ed66a42..35c33ce 100644 --- a/libgo/go/math/all_test.go +++ b/libgo/go/math/all_test.go @@ -1693,6 +1693,17 @@ func alike(a, b float64) bool { return false } +func TestNaN(t *testing.T) { + f64 := NaN() + if f64 == f64 { + t.Fatalf("NaN() returns %g, expected NaN", f64) + } + f32 := float32(f64) + if f32 == f32 { + t.Fatalf("float32(NaN()) is %g, expected NaN", f32) + } +} + func TestAcos(t *testing.T) { for i := 0; i < len(vf); i++ { a := vf[i] / 10 |