starainrt
3ffdbe0034
- 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
34 lines
1.3 KiB
Go
34 lines
1.3 KiB
Go
package coord
|
|
|
|
import (
|
|
"math"
|
|
"testing"
|
|
|
|
"b612.me/astro/formula"
|
|
)
|
|
|
|
func TestAirmassWrappers(t *testing.T) {
|
|
assertClose(t, "plane-parallel wrapper", AirmassPlaneParallelFromTrueAltitude(30), formula.AirmassPlaneParallel(30), 1e-15)
|
|
assertClose(t, "kasten-young apparent wrapper", AirmassKastenYoungFromApparentAltitude(30), formula.AirmassKastenYoung(30), 1e-15)
|
|
assertClose(t, "pickering apparent wrapper", AirmassPickeringFromApparentAltitude(30), formula.AirmassPickering(30), 1e-15)
|
|
}
|
|
|
|
func TestAirmassTrueAltitudeWrappers(t *testing.T) {
|
|
trueAltitude := 5.0
|
|
pressureHPa := 1013.25
|
|
temperatureC := 10.0
|
|
apparentAltitude := ApparentAltitude(trueAltitude, pressureHPa, temperatureC)
|
|
|
|
gotKastenYoung := AirmassKastenYoungFromTrueAltitude(trueAltitude, pressureHPa, temperatureC)
|
|
wantKastenYoung := formula.AirmassKastenYoung(apparentAltitude)
|
|
assertClose(t, "kasten-young true-alt wrapper", gotKastenYoung, wantKastenYoung, 1e-12)
|
|
|
|
gotPickering := AirmassPickeringFromTrueAltitude(trueAltitude, pressureHPa, temperatureC)
|
|
wantPickering := formula.AirmassPickering(apparentAltitude)
|
|
assertClose(t, "pickering true-alt wrapper", gotPickering, wantPickering, 1e-12)
|
|
|
|
if math.IsNaN(gotKastenYoung) || math.IsNaN(gotPickering) {
|
|
t.Fatal("expected finite airmass values for low but above-horizon altitude")
|
|
}
|
|
}
|