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127 lines
2.9 KiB
Go
127 lines
2.9 KiB
Go
package basic
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import (
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"encoding/json"
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"fmt"
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"math"
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"os"
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)
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func generateMagicNumber() {
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//0月份 00000 日期 0000闰月 0000000000000 农历信息
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var tz = 8.0000 / 24.000
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yearMap := make(map[int][][]int) // {1 month,1 leap,2 29/30}
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spYear := make(map[int][]int)
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var upper []uint16
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var lower []uint16
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//var info uint32 = 0
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for year := 1899; year <= 2401; year++ {
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fmt.Println(year)
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jieqi := GetJieqiLoops(year, 25) //一年的节气
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moon := GetMoonLoops(float64(year), 17) //一年朔月日
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winter1 := jieqi[0] - 8.0/24 + tz //第一年冬至日
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winter2 := jieqi[24] - 8.0/24 + tz //第二年冬至日
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for idx, v := range moon {
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if tz != 8.0/24 {
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v = v - 8.0/24 + tz
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}
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if v-math.Floor(v) > 0.5 {
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moon[idx] = math.Floor(v) + 0.5
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} else {
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moon[idx] = math.Floor(v) - 0.5
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}
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} //置闰月为0点
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for idx, v := range jieqi {
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if tz != 8.0/24 {
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v = v - 8.0/24 + tz
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}
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if v-math.Floor(v) > 0.5 {
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jieqi[idx] = math.Floor(v) + 0.5
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} else {
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jieqi[idx] = math.Floor(v) - 0.5
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}
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} //置节气为0点
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mooncount := 0 //年内朔望月计数
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var min, max int = 20, 0 //最大最小计数
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for i := 0; i < 15; i++ {
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if moon[i] >= winter1 && moon[i] < winter2 {
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if i <= min {
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min = i
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}
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if i >= max {
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max = i
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}
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mooncount++
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}
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}
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leapmonth := 20
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if mooncount == 13 { //存在闰月
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var j, i = 2, 0
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for i = min; i <= max; i++ {
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if !(moon[i] <= jieqi[j] && moon[i+1] > jieqi[j]) {
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break
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}
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j += 2
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}
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leapmonth = i - min + 1
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}
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month := 11
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for idx := min; idx <= max; idx++ {
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leap := 0
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if idx != leapmonth {
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month++
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if month > 12 {
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month -= 12
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}
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} else {
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leap = 1
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}
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if leap == 0 && month == 1 {
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cp := JDE2Date(moon[idx])
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spYear[year+1] = append(spYear[year+1], []int{int(cp.Month()), cp.Day()}...)
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}
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if idx < 6 && month > 10 {
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yearMap[year] = append(yearMap[year], []int{month, leap, int(moon[idx+1] - moon[idx])})
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} else {
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yearMap[year+1] = append(yearMap[year+1], []int{month, leap, int(moon[idx+1] - moon[idx])})
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}
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}
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}
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for year := 1900; year <= 2400; year++ {
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fmt.Println(year)
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up, low := magicNumberSpilt(magicNumber(yearMap[year], spYear[year]))
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upper = append(upper, up)
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lower = append(lower, uint16(low))
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}
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res := make(map[string]interface{})
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res["up"] = upper
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res["low"] = lower
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d, _ := json.Marshal(res)
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os.WriteFile("test.json", d, 0644)
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}
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func magicNumber(y1 [][]int, y2 []int) int32 {
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var res int32
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res = int32(y2[1]) << 18
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if y2[0] == 2 {
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res = res | 0x800000
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}
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for idx, v := range y1 {
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if v[2] == 30 {
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res = res | (1 << (13 - idx))
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}
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if v[1] == 1 {
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res = (res & 0xFC3FFF) | int32((v[0])<<14)
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}
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}
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return res
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}
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func magicNumberSpilt(magic int32) (uint16, uint8) {
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var upper uint16
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var lower uint8
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lower = uint8(magic)
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upper = uint16(magic >> 8)
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return upper, lower
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}
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