Adding comment about origin of test values
@@ -31,6 +31,7 @@ func TestChiSquaredCDF(t *testing.T) {
for _, test := range []struct {
x, k, want float64
}{
+ // Values calculated with scipy.stats.chi2.cdf
{0, 1, 0},
{0.01, 5, 5.3002700426865167e-07},
{0.05, 3, 0.002929332764619924},
