package float_test import ( "math" . "github.com/Luzifer/go_helpers/float" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" ) var _ = Describe("Round", func() { It("should match the example table of IEEE 754 rules", func() { Expect(Round(11.5)).To(Equal(12.0)) Expect(Round(12.5)).To(Equal(13.0)) Expect(Round(-11.5)).To(Equal(-12.0)) Expect(Round(-12.5)).To(Equal(-13.0)) }) It("should have correct rounding for numbers near 0.5", func() { Expect(Round(0.499999999997)).To(Equal(0.0)) Expect(Round(-0.499999999997)).To(Equal(0.0)) }) It("should be able to handle +/-Inf", func() { Expect(Round(math.Inf(1))).To(Equal(math.Inf(1))) Expect(Round(math.Inf(-1))).To(Equal(math.Inf(-1))) }) It("should be able to handle NaN", func() { Expect(math.IsNaN(Round(math.NaN()))).To(Equal(true)) }) })