b612
16c62a97d5
- 新增时标、ΔT 模型、质心时间与 UT1 支持 - 改进日月食、月掩、行星事件及路径边界计算 - 完善恒星三维自行与动态距离传播 - 扩展 SVG、GeoJSON、KML 输出与底层距离换算工具 - 整理中英文手册、示例资源及回归测试
85 lines
2.1 KiB
Go
85 lines
2.1 KiB
Go
package moon
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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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lite "b612.me/astro/lite/internal"
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)
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var benchmarkHorizontalSink float64
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func benchmarkHorizontalInputs() (time.Time, float64, float64) {
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return time.Date(2026, 1, 1, 0, 0, 0, 0, time.FixedZone("CST", 8*3600)), 121.4737, 31.2304
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}
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func BenchmarkMoonHourAngle(b *testing.B) {
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date, lon, lat := benchmarkHorizontalInputs()
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b.ReportAllocs()
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b.ResetTimer()
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sink := 0.0
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for i := 0; i < b.N; i++ {
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sink = HourAngle(date, lon, lat)
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}
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benchmarkHorizontalSink = sink
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}
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func BenchmarkMoonAzimuth(b *testing.B) {
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date, lon, lat := benchmarkHorizontalInputs()
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b.ReportAllocs()
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b.ResetTimer()
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sink := 0.0
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for i := 0; i < b.N; i++ {
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sink = Azimuth(date, lon, lat)
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}
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benchmarkHorizontalSink = sink
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}
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func BenchmarkMoonAltitude(b *testing.B) {
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date, lon, lat := benchmarkHorizontalInputs()
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b.ReportAllocs()
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b.ResetTimer()
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sink := 0.0
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for i := 0; i < b.N; i++ {
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sink = Altitude(date, lon, lat)
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}
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benchmarkHorizontalSink = sink
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}
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func BenchmarkMoonZenith(b *testing.B) {
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date, lon, lat := benchmarkHorizontalInputs()
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b.ReportAllocs()
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b.ResetTimer()
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sink := 0.0
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for i := 0; i < b.N; i++ {
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sink = Zenith(date, lon, lat)
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}
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benchmarkHorizontalSink = sink
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}
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func BenchmarkMoonHorizontalLegacy(b *testing.B) {
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date, lon, lat := benchmarkHorizontalInputs()
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jd := basic.Date2JD(date.UTC())
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entries := []struct {
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name string
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pick func(altitude, azimuth, hourAngle float64) float64
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}{
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{"HourAngle", func(_, _, hourAngle float64) float64 { return hourAngle }},
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{"Azimuth", func(_, azimuth, _ float64) float64 { return azimuth }},
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{"Altitude", func(altitude, _, _ float64) float64 { return altitude }},
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{"Zenith", func(altitude, _, _ float64) float64 { return 90 - altitude }},
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}
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for _, entry := range entries {
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b.Run(entry.name, func(b *testing.B) {
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b.ReportAllocs()
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b.ResetTimer()
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sink := 0.0
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for i := 0; i < b.N; i++ {
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sink = entry.pick(lite.HorizontalCoordinates(ApparentRa(date, lon, lat), ApparentDec(date, lon, lat), jd, lon, lat))
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}
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benchmarkHorizontalSink = sink
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})
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}
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}
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