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35 lines
838 B
Go
35 lines
838 B
Go
package float_test
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import (
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"math"
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. "github.com/Luzifer/go_helpers/v2/float"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Round", func() {
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It("should match the example table of IEEE 754 rules", func() {
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Expect(Round(11.5)).To(Equal(12.0))
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Expect(Round(12.5)).To(Equal(13.0))
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Expect(Round(-11.5)).To(Equal(-12.0))
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Expect(Round(-12.5)).To(Equal(-13.0))
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})
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It("should have correct rounding for numbers near 0.5", func() {
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Expect(Round(0.499999999997)).To(Equal(0.0))
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Expect(Round(-0.499999999997)).To(Equal(0.0))
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})
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It("should be able to handle +/-Inf", func() {
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Expect(Round(math.Inf(1))).To(Equal(math.Inf(1)))
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Expect(Round(math.Inf(-1))).To(Equal(math.Inf(-1)))
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})
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It("should be able to handle NaN", func() {
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Expect(math.IsNaN(Round(math.NaN()))).To(Equal(true))
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})
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})
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