b612
2bf8478639
- 新增日月食中心带、偏食带、阴影足迹、等时线、食分线及升落边界计算，支持极区与混合食拓扑 - 新增日食单时刻阴影求解器、站心状态查询、批量采样和 ΔT 覆盖接口 - 重构恒星与行星月掩路径，补充有限盘面接触、站心修正、掩带宽度、极区投影及升落边界 - 扩展 SVG 与 GeoJSON 输出，支持详细面板、全球/极区/地球投影、边界闭合、时间标记和拓扑签名 - 扩展日月食候选搜索、局地搜索、沙罗序列预计算与范围外推，补充系列锚点和成员一致性校验 - 补齐古历纪年、儒略历独有闰日、多公历候选、历法改革跨日及精确日期运算接口 - 优化 ΔT、章动、恒星时、月球地平线、事件根搜索和本地星历缓存，降低重复计算开销并提升边界稳定
57 lines
2.0 KiB
Go
57 lines
2.0 KiB
Go
package basic
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import (
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"testing"
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)
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// 这些基准是"性能不回退"的度量口径：Nutation2000B 有界记忆表、升落上下文 stateAt 的分配、
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// 以及两条真实调用链（月球升落、掩星升落回归）。改动这些热路径后请对比 benchmark 数字。
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// These benchmarks are the regression yardstick for the hot paths changed here: the bounded
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// Nutation2000B memo, the allocation behaviour of the rise/set context stateAt, and two real call
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// chains (moon rise/set and the occultation rise/set regression case). Compare before/after numbers
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// whenever those paths change.
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func BenchmarkNutation2000B(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_, _ = Nutation2000B(2460310.5 + float64(i%97)*0.37)
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}
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}
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func BenchmarkTrueObliquity(b *testing.B) {
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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_ = TrueObliquity(2460310.5 + float64(i%97)*0.37)
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}
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}
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var benchMoonRise, benchMoonSet float64
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func BenchmarkMoonRiseSetChain(b *testing.B) {
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jd := JDECalc(2023, 6, 21)
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b.ReportAllocs()
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for i := 0; i < b.N; i++ {
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benchMoonRise, _ = GetMoonRiseTime(jd, 116.4074, 39.9042, 8, 1, 0)
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benchMoonSet, _ = GetMoonSetTime(jd, 116.4074, 39.9042, 8, 1, 0)
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}
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}
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// Nutation2000B 有界记忆表：重复瞬时必须命中且数值逐位不变。
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func TestNutationMemoHitsRepeatedInstants(t *testing.T) {
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resetNutationMemo()
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const jd = 2460310.5
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firstPsi, firstEps := Nutation2000B(jd)
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secondPsi, secondEps := Nutation2000B(jd)
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if firstPsi != secondPsi || firstEps != secondEps {
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t.Fatalf("memo changed the value: (%v,%v) vs (%v,%v)", firstPsi, firstEps, secondPsi, secondEps)
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}
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hits, misses := nutationMemoStats()
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if hits == 0 || misses == 0 {
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t.Fatalf("expected one miss and at least one hit, got hits=%d misses=%d", hits, misses)
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}
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// 与未走记忆表的实现逐位一致。
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directPsi, directEps := nutation2000BCompute(jd)
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if firstPsi != directPsi || firstEps != directEps {
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t.Fatalf("memoized value differs from direct computation")
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}
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}
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