27 lines
840 B
Go
27 lines
840 B
Go
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package moon
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import (
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"math"
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"testing"
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"time"
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"b612.me/astro/basic"
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)
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func TestApparentAltitudeWrappers(t *testing.T) {
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date := time.Date(2026, 4, 28, 9, 30, 45, 0, time.UTC)
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pressureHPa := 1010.0
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temperatureC := 10.0
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trueAltitude := Altitude(date, 115, 40)
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assertMoonRefractionClose(t, "ApparentAltitude", ApparentAltitude(date, 115, 40, pressureHPa, temperatureC), basic.ApparentAltitude(trueAltitude, pressureHPa, temperatureC), 1e-12)
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assertMoonRefractionClose(t, "ApparentZenith", ApparentZenith(date, 115, 40, pressureHPa, temperatureC), 90-ApparentAltitude(date, 115, 40, pressureHPa, temperatureC), 1e-12)
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}
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func assertMoonRefractionClose(t *testing.T, name string, got, want, tolerance float64) {
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t.Helper()
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if math.Abs(got-want) > tolerance {
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t.Fatalf("%s mismatch: got %.18f want %.18f", name, got, want)
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}
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}
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