mirror of https://github.com/status-im/resize.git
39 lines
602 B
Go
39 lines
602 B
Go
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package resize
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import (
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"fmt"
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"math"
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"testing"
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)
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const limit = 1e-12
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func Test_SincOne(t *testing.T) {
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zero := Sinc(1)
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if zero >= limit {
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t.Error("Sinc(1) != 0")
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}
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}
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func Test_SincZero(t *testing.T) {
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one := Sinc(0)
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if math.Abs(one-1) >= limit {
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t.Error("Sinc(0) != 1")
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}
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}
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func Test_SincDotOne(t *testing.T) {
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res := Sinc(0.1)
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if math.Abs(res-0.983631643083466) >= limit {
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t.Error("Sinc(0.1) wrong")
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}
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}
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func Test_SincNearZero(t *testing.T) {
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res := Sinc(0.000001)
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if math.Abs(res-0.9999999999983551) >= limit {
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fmt.Println(res)
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t.Error("Sinc near zero not stable")
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}
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}
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