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
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+26
-5
@@ -1,13 +1,34 @@
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package basic
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import (
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"fmt"
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"math"
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"testing"
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)
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func Test_EarthFn(t *testing.T) {
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fmt.Println(HeightDistance(10000))
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//近似算法,差距在接受范围内?
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fmt.Println(math.Sqrt(((EARTH_AVERAGE_RADIUS)*2 + 10000) * 10000))
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func TestHeightDegreeMatchesSphericalArc(t *testing.T) {
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height := 10000.0
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got := HeightDegree(height)
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want := HeightDistance(height) / EARTH_AVERAGE_RADIUS * 180 / math.Pi
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if math.Abs(got-want) > 1e-12 {
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t.Fatalf("HeightDegree mismatch: got %.15f want %.15f", got, want)
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}
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}
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func TestHeightDegreeByLatMatchesSphericalArc(t *testing.T) {
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height := 10000.0
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lat := 45.0
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radius := GeocentricRadius(lat)
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got := HeightDegreeByLat(height, lat)
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want := HeightDistanceByLat(height, lat) / radius * 180 / math.Pi
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if math.Abs(got-want) > 1e-12 {
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t.Fatalf("HeightDegreeByLat mismatch: got %.15f want %.15f", got, want)
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}
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}
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func TestHeightDegreeReferenceValue(t *testing.T) {
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got := HeightDegree(10000)
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want := 3.20801665537668
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if math.Abs(got-want) > 1e-12 {
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t.Fatalf("HeightDegree(10000) = %.15f want %.15f", got, want)
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}
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}
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