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Diffstat (limited to 'libgo/go/math/all_test.go')
| -rw-r--r-- | libgo/go/math/all_test.go | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libgo/go/math/all_test.go b/libgo/go/math/all_test.go index cdea8035f9a..0d8b10f67fa 100644 --- a/libgo/go/math/all_test.go +++ b/libgo/go/math/all_test.go @@ -2281,6 +2281,13 @@ func TestLog2(t *testing.T) { t.Errorf("Log2(%g) = %g, want %g", vflogSC[i], f, logSC[i]) } } + for i := -1074; i <= 1023; i++ { + f := Ldexp(1, i) + l := Log2(f) + if l != float64(i) { + t.Errorf("Log2(2**%d) = %g, want %d", i, l, i) + } + } } func TestModf(t *testing.T) { |