astro/basic/mars_event_helpers_test.go
starainrt 3ffdbe0034
feat: 扩展天文计算能力
- 新增日食、月食、本地可见性、中心线、半影区域、SVG 图示与沙罗周期信息
- 新增行星冲合、留、方照、物理星历、视直径、相位、亮肢角、轨道节点等计算
- 新增木星伽利略卫星位置、现象与接触事件计算
- 新增恒星星表、星座判定、自行修正与观测辅助能力
- 新增 coord、formula、orbit、sundial、lite/sun、lite/moon 等扩展包
- 完善农历年号、月相英文别名、视差角、大气质量、折射、日晷与双星计算
- 增加 NASA、JPL Horizons、IMCCE 等回归测试数据与基线测试
- 重构基础算法文件组织,补充大量公开 API 注释和语义回归测试
- 更新中文和英文 README,补充示例、精度说明、SVG 配图
2026-05-01 22:38:44 +08:00

54 lines
2.2 KiB
Go

package basic
import "time"
type marsEventFunc func(float64) float64
type marsEventCase struct {
name string
tolerance float64
fn marsEventFunc
}
func marsEventSamples() []time.Time {
start := time.Date(1992, 8, 17, 9, 21, 45, 678000000, time.UTC)
samples := make([]time.Time, 0, 96)
for i := 0; i < 48; i++ {
d := start.AddDate(0, 0, i*311)
d = d.Add(time.Duration((i%8)*4)*time.Hour + time.Duration((i%10)*9)*time.Minute + time.Duration((i%12)*17)*time.Second)
samples = append(samples, d)
}
extraStart := start.AddDate(0, 0, 53)
for i := 0; i < 48; i++ {
d := extraStart.AddDate(0, 0, i*197)
d = d.Add(time.Duration((i%7)*5)*time.Hour + time.Duration((i%9)*14)*time.Minute + time.Duration((i%16)*23)*time.Second)
samples = append(samples, d)
}
return samples
}
func marsEventSampleTTJD(date time.Time) float64 {
return TD2UT(Date2JDE(date.UTC()), true)
}
func marsEventCases() []marsEventCase {
const (
conjunctionTolerance = 0.00001
searchTolerance = 30.0 / 86400.0
)
return []marsEventCase{
{name: "LastMarsConjunction", tolerance: conjunctionTolerance, fn: LastMarsConjunction},
{name: "NextMarsConjunction", tolerance: conjunctionTolerance, fn: NextMarsConjunction},
{name: "LastMarsOpposition", tolerance: conjunctionTolerance, fn: LastMarsOpposition},
{name: "NextMarsOpposition", tolerance: conjunctionTolerance, fn: NextMarsOpposition},
{name: "LastMarsEasternQuadrature", tolerance: conjunctionTolerance, fn: LastMarsEasternQuadrature},
{name: "NextMarsEasternQuadrature", tolerance: conjunctionTolerance, fn: NextMarsEasternQuadrature},
{name: "LastMarsWesternQuadrature", tolerance: conjunctionTolerance, fn: LastMarsWesternQuadrature},
{name: "NextMarsWesternQuadrature", tolerance: conjunctionTolerance, fn: NextMarsWesternQuadrature},
{name: "LastMarsProgradeToRetrograde", tolerance: searchTolerance, fn: LastMarsProgradeToRetrograde},
{name: "NextMarsProgradeToRetrograde", tolerance: searchTolerance, fn: NextMarsProgradeToRetrograde},
{name: "LastMarsRetrogradeToPrograde", tolerance: searchTolerance, fn: LastMarsRetrogradeToPrograde},
{name: "NextMarsRetrogradeToPrograde", tolerance: searchTolerance, fn: NextMarsRetrogradeToPrograde},
}
}