40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
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package coord
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import (
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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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var benchmarkEclipticSink Ecliptic
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func benchmarkEclipticInputs() (time.Time, float64, float64, float64, float64, float64, float64) {
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return time.Date(2026, 1, 1, 0, 0, 0, 0, time.FixedZone("CST", 8*3600)), 139.7, 4.9, 121.4737, 31.2304, 0.00257, 20
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}
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func BenchmarkTopocentricEcliptic(b *testing.B) {
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date, lon, lat, observerLon, observerLat, distanceAU, height := benchmarkEclipticInputs()
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b.ReportAllocs()
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b.ResetTimer()
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sink := Ecliptic{}
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for i := 0; i < b.N; i++ {
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sink = TopocentricEcliptic(date, lon, lat, observerLon, observerLat, distanceAU, height)
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}
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benchmarkEclipticSink = sink
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}
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func BenchmarkTopocentricEclipticLegacy(b *testing.B) {
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date, lon, lat, observerLon, observerLat, distanceAU, height := benchmarkEclipticInputs()
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b.ReportAllocs()
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b.ResetTimer()
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sink := Ecliptic{}
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for i := 0; i < b.N; i++ {
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sink = Ecliptic{
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Lon: basic.TopocentricLo(lon, lat, observerLat, observerLon, jdeUTC(date), distanceAU, height),
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Lat: basic.TopocentricBo(lon, lat, observerLat, observerLon, jdeUTC(date), distanceAU, height),
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}
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}
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benchmarkEclipticSink = sink
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}
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