38 lines
1.5 KiB
Go
38 lines
1.5 KiB
Go
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package neptune
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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 TestPhysicalWrapperMatchesBasic(t *testing.T) {
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date := time.Date(2026, 4, 28, 9, 30, 45, 0, time.UTC)
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jde := basic.Date2JDE(date.UTC())
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got := Physical(date)
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gotN := PhysicalN(date, -1)
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want := basic.NeptunePhysicalN(basic.TD2UT(jde, true), -1)
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assertSamePhysicalFloat(t, "SubEarthLongitude", got.SubEarthLongitude, want.SubEarthLongitude)
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assertSamePhysicalFloat(t, "SubEarthLatitude", got.SubEarthLatitude, want.SubEarthLatitude)
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assertSamePhysicalFloat(t, "SubSolarLongitude", got.SubSolarLongitude, want.SubSolarLongitude)
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assertSamePhysicalFloat(t, "SubSolarLatitude", got.SubSolarLatitude, want.SubSolarLatitude)
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assertSamePhysicalFloat(t, "NorthPolePositionAngle", got.NorthPolePositionAngle, want.NorthPolePositionAngle)
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assertSamePhysicalFloat(t, "PhysicalN.SubEarthLongitude", got.SubEarthLongitude, gotN.SubEarthLongitude)
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assertSamePhysicalFloat(t, "PhysicalN.SubEarthLatitude", got.SubEarthLatitude, gotN.SubEarthLatitude)
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assertSamePhysicalFloat(t, "PhysicalN.SubSolarLongitude", got.SubSolarLongitude, gotN.SubSolarLongitude)
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assertSamePhysicalFloat(t, "PhysicalN.SubSolarLatitude", got.SubSolarLatitude, gotN.SubSolarLatitude)
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assertSamePhysicalFloat(t, "PhysicalN.NorthPolePositionAngle", got.NorthPolePositionAngle, gotN.NorthPolePositionAngle)
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}
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func assertSamePhysicalFloat(t *testing.T, name string, got, want float64) {
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t.Helper()
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if math.Float64bits(got) != math.Float64bits(want) {
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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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