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
50 lines
1.4 KiB
Go
50 lines
1.4 KiB
Go
package basic
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import (
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"crypto/sha256"
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"encoding/binary"
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"encoding/hex"
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"math"
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"testing"
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)
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// starCatalogDigestWant 解码后星表的摘要，锁定逐位一致。
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const starCatalogDigestWant = "6a538c97a35dfc9fd2ecad2268ec9a15c3efa1bf4f9ee1cff752448c9c5a7a53"
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func starCatalogDigest(stars []StarData) string {
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hash := sha256.New()
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var buf [8]byte
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writeUint := func(v uint64) {
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binary.LittleEndian.PutUint64(buf[:], v)
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hash.Write(buf[:])
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}
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writeString := func(s string) {
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writeUint(uint64(len(s)))
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hash.Write([]byte(s))
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}
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writeUint(uint64(len(stars)))
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for _, star := range stars {
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writeUint(uint64(star.HR))
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writeUint(uint64(star.HD))
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writeUint(uint64(star.HIP))
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writeString(star.Name)
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for _, v := range []float64{star.Ra, star.Dec, star.Mag, star.PmRA, star.PmDec, star.RadVel, star.RotVel, star.Pc} {
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writeUint(math.Float64bits(v))
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}
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for _, s := range []string{star.ChineseName, star.ChineseAlias, star.ChineseBayerName, star.CommonName,
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star.CommonAliasName, star.Cst, star.CstChinese} {
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writeString(s)
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}
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}
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return hex.EncodeToString(hash.Sum(nil))
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}
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func TestStarCatalogDigestMatchesLegacyParser(t *testing.T) {
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if err := LoadStarData(); err != nil {
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t.Fatal(err)
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}
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if got := starCatalogDigest(cachedStarData); got != starCatalogDigestWant {
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t.Fatalf("star catalog digest = %s, want %s", got, starCatalogDigestWant)
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}
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}
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