b612
044f2f4381
- 新增半解析、旧模型、自定义与多源堆叠星历实例，提供 Context、Instance、SPK 读取及状态与视位置计算 - 统一太阳、月球和行星实例接口，扩展黄经穿越、留、相位、最近角距、偕日可见、任意高度升落、轨道节点及凌日等天象查询 - 完善日月食、月掩与凌日的月缘剖面、有限盘面接触、站心修正、局地可见性、全球路径和地图输出 - 新增 SVG、GeoJSON、KML 天象输出及凌日、月掩和月缘地形相关缓存与几何求解 - 新增恒星星表导入与查询，支持 CSV、Hipparcos、BSC5、Stellarium 等格式及名称、交叉标识、锥面检索和星等过滤 - 补充 IAU 2006、地球定向、折射消光、大气观测、轨道传播及半解析行星/月球数据支持 - 将默认未来民用时标切换为 TimeScaleLeapHour，更新 2027–2400 农历速查表、中文日期解析和时区边界处理 - 增加事件基线、跨模型回归、几何边界、月缘地形和输出契约测试，完善中英文手册、示例资源、NOTICE 与忽略规则
100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
package basic
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import (
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"encoding/json"
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"math"
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"os"
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"testing"
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"time"
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)
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type sunPhysicalSample struct {
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InputUTC string `json:"input_utc"`
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P float64 `json:"p"`
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B0 float64 `json:"b0"`
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L0 float64 `json:"l0"`
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}
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func TestSunPhysicalMatchesHorizonsBaseline(t *testing.T) {
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data, err := os.ReadFile("testdata/sun_physical_baseline.json")
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if err != nil {
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t.Fatalf("read baseline: %v", err)
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}
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var samples []sunPhysicalSample
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if err := json.Unmarshal(data, &samples); err != nil {
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t.Fatalf("decode baseline: %v", err)
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}
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var maxPDiff float64
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var maxB0Diff float64
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var maxL0Diff float64
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for _, sample := range samples {
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date, err := time.Parse(time.RFC3339, sample.InputUTC)
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if err != nil {
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t.Fatalf("parse sample time %q: %v", sample.InputUTC, err)
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}
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jd := UTC2TT(Date2JD(date.UTC()))
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got := SunPhysical(jd)
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pDiff := angleDiffAbs(got.P, sample.P)
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if pDiff > maxPDiff {
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maxPDiff = pDiff
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}
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b0Diff := math.Abs(got.B0 - sample.B0)
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if b0Diff > maxB0Diff {
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maxB0Diff = b0Diff
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}
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l0Diff := angleDiffAbs(got.L0, sample.L0)
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if l0Diff > maxL0Diff {
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maxL0Diff = l0Diff
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}
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assertPlanetPhaseClose(t, sample.InputUTC+".P", got.P, sample.P, 0.01)
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assertPlanetPhaseClose(t, sample.InputUTC+".B0", got.B0, sample.B0, 0.01)
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assertPlanetPhaseClose(t, sample.InputUTC+".L0", got.L0, sample.L0, 0.05)
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}
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t.Logf("sun physical max diff: P=%.6fdeg B0=%.6fdeg L0=%.6fdeg", maxPDiff, maxB0Diff, maxL0Diff)
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}
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func TestSunPhysicalNFullMatchesDefault(t *testing.T) {
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jd := UTC2TT(Date2JD(time.Date(2026, 4, 28, 9, 30, 45, 0, time.UTC)))
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got := SunPhysical(jd)
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gotN := SunPhysicalN(jd, -1)
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if math.Float64bits(got.P) != math.Float64bits(gotN.P) ||
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math.Float64bits(got.B0) != math.Float64bits(gotN.B0) ||
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math.Float64bits(got.L0) != math.Float64bits(gotN.L0) {
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t.Fatalf("SunPhysical full-n mismatch: got %+v want %+v", got, gotN)
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}
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}
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func TestSunPhysicalSampleSweepFiniteAndInRange(t *testing.T) {
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dates := []time.Time{
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time.Date(1900, 1, 1, 0, 0, 0, 0, time.UTC),
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time.Date(1969, 7, 20, 20, 17, 40, 0, time.UTC),
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time.Date(2000, 1, 1, 12, 0, 0, 0, time.UTC),
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time.Date(2026, 4, 28, 9, 30, 45, 0, time.UTC),
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time.Date(2099, 12, 31, 23, 59, 59, 0, time.UTC),
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}
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for _, date := range dates {
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jd := UTC2TT(Date2JD(date.UTC()))
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got := SunPhysical(jd)
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prefix := date.Format(time.RFC3339)
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assertFiniteRange(t, prefix+".P", got.P, 0, 360, true)
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assertFiniteRange(t, prefix+".B0", got.B0, -90, 90, false)
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assertFiniteRange(t, prefix+".L0", got.L0, 0, 360, true)
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}
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}
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func angleDiffAbs(got, want float64) float64 {
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diff := math.Abs(got - want)
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if diff > 180 {
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diff = 360 - diff
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}
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return diff
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}
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