35 lines
1.0 KiB
Go
35 lines
1.0 KiB
Go
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// 被测契约：日月视赤经纬单值与双值接口一致，且黄经、黄纬取自同一视方向。
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package basic
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import (
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"math"
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"testing"
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"b612.me/astro/internal/ephem"
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"b612.me/astro/internal/ephemtest"
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)
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func TestSunMoonApparentRaDecUseFullDirection(t *testing.T) {
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ephemtest.Pin(t, ephem.Semianalytic)
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const jde = 2460409.25
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for _, body := range []ephem.Body{ephem.Sun, ephem.Moon} {
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lo, bo, _, _, ok := vectorApparent(body, jde, -1)
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if !ok {
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t.Fatalf("body %d: no vector apparent position", body)
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}
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wantRA, wantDec := LoBoToRaDec(jde, lo, bo)
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var ra, dec float64
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if body == ephem.Sun {
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ra, dec = HSunApparentRaDec(jde)
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if r, d := HSunApparentRa(jde), HSunApparentDec(jde); r != ra || d != dec {
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t.Errorf("Sun single (%v, %v) != pair (%v, %v)", r, d, ra, dec)
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}
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} else {
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ra, dec = HMoonGeocentricApparentRaDecN(jde, -1)
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}
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if math.Abs(ra-wantRA)*3600 > 1e-6 || math.Abs(dec-wantDec)*3600 > 1e-6 {
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t.Errorf("body %d: (%v, %v), want (%v, %v)", body, ra, dec, wantRA, wantDec)
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}
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}
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}
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