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| #include "stdafx.h"
#include "juliandate.h"
#include <iostream>
#include <math.h>
//----------------------------------------------------------------------------//
// Перевод обычной даты в Юлианский день //
//----------------------------------------------------------------------------//
double CJulianDate::DateToJD(vector<int> date)
{
return DateToJD(date[0], date[1], date[2]);
}
//----------------------------------------------------------------------------//
// Перевод обычной даты в Юлианский день //
//----------------------------------------------------------------------------//
double CJulianDate::DateToJD(int day, int month, int year)
{
double jd;
check_date(day, month, year);
double ggg = 1;
if (year < 1582) { ggg = 0; }
if (year <= 1582 && month < 10) { ggg = 0; }
if (year <= 1582 && month == 10 && day < 5) { ggg = 0; }
jd = -1 * (int)(7 * ((int)((month + 9) / 12) + year) / 4);
int s = 1;
if ((month - 9) < 0) { s = -1; }
int a = month - 9;
if (a < 0) { a *= -1; }
double j1 = (int)(year + s * (int)(a / 7));
j1 = -1 * (int)((floor(j1 / 100) + 1) * 3 / 4);
jd = jd + (int)(275 * month / 9) + day + (ggg * j1);
jd = jd + 1721027 + 2 * ggg + 367 * year - 0.5;
return jd;
}
//----------------------------------------------------------------------------//
// Перевод Юлианского дня в Юлианскую дату //
//----------------------------------------------------------------------------//
vector<int> CJulianDate::JDToJulian(double juliandate)
{
double JD = juliandate;
double alpha, c, d, e;
int day, month, year, z, a, b;
JD += 0.5;
z = floor(JD);
a = z;
b = a + 1524;
c = floor((b - 122.1) / 365.25);
d = floor(365.25 * c);
e = floor((b - d) / 30.6001);
month = floor((e < 14) ? (e - 1) : (e - 13));
year = floor((month > 2) ? (c - 4716) : (c - 4715));
day = b - d - floor(30.6001 * e);
/* If year is less than 1, subtract one to convert from
a zero based date system to the common era system in
which the year -1 (1 B.C.E) is followed by year 1 (1 C.E.). */
if (year < 1) {year--;}
vector<int> date;
date.push_back((int)day);
date.push_back((int)month);
date.push_back((int)year);
return date;
}
//----------------------------------------------------------------------------//
// Перевод Юлианской даты в Юлианскую день //
//----------------------------------------------------------------------------//
double CJulianDate::JulianToJD(int day, int month, int year)
{
/* Adjust negative common era years to the zero-based notation we use. */
if (year < 1)
{
year++;
}
if (month <= 2)
{
year--;
month += 12;
}
return ((floor((365.25 * (year + 4716))) +
floor((30.6001 * (month + 1))) +
day) - 1524.5);
}
//----------------------------------------------------------------------------//
// Перевод Юлианского дня в Григорианского дату //
//----------------------------------------------------------------------------//
vector<int> CJulianDate::JDToDate(double juliandate)
{
double JD = juliandate;
double A, I, B, C, D, T, RJ, day , RH, month, year;
double Z = floor(JD + 0.5);
double F = JD + 0.5 - Z;
if (Z < 2299161) { A = Z; }
else
{
I = floor((Z - 1867216.25) / 36524.25);
A = Z + 1 + I - floor(I / 4);
}
B = A + 1524;
C = floor((B - 122.1) / 365.25);
D = floor(365.25 * C);
T = floor((B - D) / 30.600);
RJ = B - D - floor(30.6001 * T) + F;
day = floor(RJ);
RH = (RJ - floor(RJ)) * 24;
if (T < 14) { month = T - 1; }
else
{
if ((T == 14) || (T == 15)) { month = T - 13; }
}
if (month > 2) { year = C - 4716; }
else
{
if ((month == 1) || (month == 2)) { year = C - 4715; }
}
vector<int> date;
date.push_back((int)day);
date.push_back((int)month);
date.push_back((int)year);
return date;
}
//----------------------------------------------------------------------------//
// Проверка даты //
//----------------------------------------------------------------------------//
void CJulianDate::check_date(int day, int month, int year)
{
if (month > 12 || month < 1) { PRINT_ERROR("ERROR: Month must be 1,2,3,...,12"); }
if (day > 31 || day < 0) { PRINT_ERROR("Day > 31"); }
system("pause");
} |
(
Сообщение было отмечено GuPixD как решение
