/**
 * @fileoverview added by tsickle
 * @suppress {checkTypes,constantProperty,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
 */
import { NgbDate } from '../ngb-date';
/**
 * Returns the equivalent JS date value for a give input Jalali date.
 * `jalaliDate` is an Jalali date to be converted to Gregorian.
 * @param {?} jalaliDate
 * @return {?}
 */
export function toGregorian(jalaliDate) {
    /** @type {?} */
    var jdn = jalaliToJulian(jalaliDate.year, jalaliDate.month, jalaliDate.day);
    /** @type {?} */
    var date = julianToGregorian(jdn);
    date.setHours(6, 30, 3, 200);
    return date;
}
/**
 * Returns the equivalent jalali date value for a give input Gregorian date.
 * `gdate` is a JS Date to be converted to jalali.
 * utc to local
 * @param {?} gdate
 * @return {?}
 */
export function fromGregorian(gdate) {
    /** @type {?} */
    var g2d = gregorianToJulian(gdate.getFullYear(), gdate.getMonth() + 1, gdate.getDate());
    return julianToJalali(g2d);
}
/**
 * @param {?} date
 * @param {?} yearValue
 * @return {?}
 */
export function setJalaliYear(date, yearValue) {
    date.year = +yearValue;
    return date;
}
/**
 * @param {?} date
 * @param {?} month
 * @return {?}
 */
export function setJalaliMonth(date, month) {
    month = +month;
    date.year = date.year + Math.floor((month - 1) / 12);
    date.month = Math.floor(((month - 1) % 12 + 12) % 12) + 1;
    return date;
}
/**
 * @param {?} date
 * @param {?} day
 * @return {?}
 */
export function setJalaliDay(date, day) {
    /** @type {?} */
    var mDays = getDaysPerMonth(date.month, date.year);
    if (day <= 0) {
        while (day <= 0) {
            date = setJalaliMonth(date, date.month - 1);
            mDays = getDaysPerMonth(date.month, date.year);
            day += mDays;
        }
    }
    else if (day > mDays) {
        while (day > mDays) {
            day -= mDays;
            date = setJalaliMonth(date, date.month + 1);
            mDays = getDaysPerMonth(date.month, date.year);
        }
    }
    date.day = day;
    return date;
}
/**
 * @param {?} a
 * @param {?} b
 * @return {?}
 */
function mod(a, b) {
    return a - b * Math.floor(a / b);
}
/**
 * @param {?} a
 * @param {?} b
 * @return {?}
 */
function div(a, b) {
    return Math.trunc(a / b);
}
/*
 This function determines if the Jalali (Persian) year is
 leap (366-day long) or is the common year (365 days), and
 finds the day in March (Gregorian calendar) of the first
 day of the Jalali year (jalaliYear).
 @param jalaliYear Jalali calendar year (-61 to 3177)
 @return
 leap: number of years since the last leap year (0 to 4)
 gYear: Gregorian year of the beginning of Jalali year
 march: the March day of Farvardin the 1st (1st day of jalaliYear)
 @see: http://www.astro.uni.torun.pl/~kb/Papers/EMP/PersianC-EMP.htm
 @see: http://www.fourmilab.ch/documents/calendar/
 */
/**
 * @param {?} jalaliYear
 * @return {?}
 */
function jalCal(jalaliYear) {
    // Jalali years starting the 33-year rule.
    /** @type {?} */
    var breaks = [-61, 9, 38, 199, 426, 686, 756, 818, 1111, 1181, 1210, 1635, 2060, 2097, 2192, 2262, 2324, 2394, 2456, 3178];
    /** @type {?} */
    var breaksLength = breaks.length;
    /** @type {?} */
    var gYear = jalaliYear + 621;
    /** @type {?} */
    var leapJ = -14;
    /** @type {?} */
    var jp = breaks[0];
    if (jalaliYear < jp || jalaliYear >= breaks[breaksLength - 1]) {
        throw new Error('Invalid Jalali year ' + jalaliYear);
    }
    // Find the limiting years for the Jalali year jalaliYear.
    /** @type {?} */
    var jump;
    for (var i = 1; i < breaksLength; i += 1) {
        /** @type {?} */
        var jm = breaks[i];
        jump = jm - jp;
        if (jalaliYear < jm) {
            break;
        }
        leapJ = leapJ + div(jump, 33) * 8 + div(mod(jump, 33), 4);
        jp = jm;
    }
    /** @type {?} */
    var n = jalaliYear - jp;
    // Find the number of leap years from AD 621 to the beginning
    // of the current Jalali year in the Persian calendar.
    leapJ = leapJ + div(n, 33) * 8 + div(mod(n, 33) + 3, 4);
    if (mod(jump, 33) === 4 && jump - n === 4) {
        leapJ += 1;
    }
    // And the same in the Gregorian calendar (until the year gYear).
    /** @type {?} */
    var leapG = div(gYear, 4) - div((div(gYear, 100) + 1) * 3, 4) - 150;
    // Determine the Gregorian date of Farvardin the 1st.
    /** @type {?} */
    var march = 20 + leapJ - leapG;
    // Find how many years have passed since the last leap year.
    if (jump - n < 6) {
        n = n - jump + div(jump + 4, 33) * 33;
    }
    /** @type {?} */
    var leap = mod(mod(n + 1, 33) - 1, 4);
    if (leap === -1) {
        leap = 4;
    }
    return { leap: leap, gy: gYear, march: march };
}
/*
 Calculates Gregorian and Julian calendar dates from the Julian Day number
 (jdn) for the period since jdn=-34839655 (i.e. the year -100100 of both
 calendars) to some millions years ahead of the present.
 @param jdn Julian Day number
 @return
 gYear: Calendar year (years BC numbered 0, -1, -2, ...)
 gMonth: Calendar month (1 to 12)
 gDay: Calendar day of the month M (1 to 28/29/30/31)
 */
/**
 * @param {?} julianDayNumber
 * @return {?}
 */
function julianToGregorian(julianDayNumber) {
    /** @type {?} */
    var j = 4 * julianDayNumber + 139361631;
    j = j + div(div(4 * julianDayNumber + 183187720, 146097) * 3, 4) * 4 - 3908;
    /** @type {?} */
    var i = div(mod(j, 1461), 4) * 5 + 308;
    /** @type {?} */
    var gDay = div(mod(i, 153), 5) + 1;
    /** @type {?} */
    var gMonth = mod(div(i, 153), 12) + 1;
    /** @type {?} */
    var gYear = div(j, 1461) - 100100 + div(8 - gMonth, 6);
    return new Date(gYear, gMonth - 1, gDay);
}
/*
 Converts a date of the Jalali calendar to the Julian Day number.
 @param jy Jalali year (1 to 3100)
 @param jm Jalali month (1 to 12)
 @param jd Jalali day (1 to 29/31)
 @return Julian Day number
 */
/**
 * @param {?} gy
 * @param {?} gm
 * @param {?} gd
 * @return {?}
 */
function gregorianToJulian(gy, gm, gd) {
    /** @type {?} */
    var d = div((gy + div(gm - 8, 6) + 100100) * 1461, 4) + div(153 * mod(gm + 9, 12) + 2, 5) + gd - 34840408;
    d = d - div(div(gy + 100100 + div(gm - 8, 6), 100) * 3, 4) + 752;
    return d;
}
/*
 Converts the Julian Day number to a date in the Jalali calendar.
 @param julianDayNumber Julian Day number
 @return
 jalaliYear: Jalali year (1 to 3100)
 jalaliMonth: Jalali month (1 to 12)
 jalaliDay: Jalali day (1 to 29/31)
 */
/**
 * @param {?} julianDayNumber
 * @return {?}
 */
function julianToJalali(julianDayNumber) {
    /** @type {?} */
    var gy = julianToGregorian(julianDayNumber).getFullYear() // Calculate Gregorian year (gy).
    ;
    /** @type {?} */
    var jalaliYear = gy - 621;
    /** @type {?} */
    var r = jalCal(jalaliYear);
    /** @type {?} */
    var gregorianDay = gregorianToJulian(gy, 3, r.march);
    /** @type {?} */
    var jalaliDay;
    /** @type {?} */
    var jalaliMonth;
    /** @type {?} */
    var numberOfDays;
    // Find number of days that passed since 1 Farvardin.
    numberOfDays = julianDayNumber - gregorianDay;
    if (numberOfDays >= 0) {
        if (numberOfDays <= 185) {
            // The first 6 months.
            jalaliMonth = 1 + div(numberOfDays, 31);
            jalaliDay = mod(numberOfDays, 31) + 1;
            return new NgbDate(jalaliYear, jalaliMonth, jalaliDay);
        }
        else {
            // The remaining months.
            numberOfDays -= 186;
        }
    }
    else {
        // Previous Jalali year.
        jalaliYear -= 1;
        numberOfDays += 179;
        if (r.leap === 1) {
            numberOfDays += 1;
        }
    }
    jalaliMonth = 7 + div(numberOfDays, 30);
    jalaliDay = mod(numberOfDays, 30) + 1;
    return new NgbDate(jalaliYear, jalaliMonth, jalaliDay);
}
/*
 Converts a date of the Jalali calendar to the Julian Day number.
 @param jYear Jalali year (1 to 3100)
 @param jMonth Jalali month (1 to 12)
 @param jDay Jalali day (1 to 29/31)
 @return Julian Day number
 */
/**
 * @param {?} jYear
 * @param {?} jMonth
 * @param {?} jDay
 * @return {?}
 */
function jalaliToJulian(jYear, jMonth, jDay) {
    /** @type {?} */
    var r = jalCal(jYear);
    return gregorianToJulian(r.gy, 3, r.march) + (jMonth - 1) * 31 - div(jMonth, 7) * (jMonth - 7) + jDay - 1;
}
/**
 * Returns the number of days in a specific jalali month.
 * @param {?} month
 * @param {?} year
 * @return {?}
 */
function getDaysPerMonth(month, year) {
    if (month <= 6) {
        return 31;
    }
    if (month <= 11) {
        return 30;
    }
    if (jalCal(year).leap === 0) {
        return 30;
    }
    return 29;
}
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{NgbDate} from '../ngb-date';\n\n/**\n * Returns the equivalent JS date value for a give input Jalali date.\n * `jalaliDate` is an Jalali date to be converted to Gregorian.\n */\nexport function toGregorian(jalaliDate: NgbDate): Date {\n  let jdn = jalaliToJulian(jalaliDate.year, jalaliDate.month, jalaliDate.day);\n  let date = julianToGregorian(jdn);\n  date.setHours(6, 30, 3, 200);\n  return date;\n}\n\n/**\n * Returns the equivalent jalali date value for a give input Gregorian date.\n * `gdate` is a JS Date to be converted to jalali.\n * utc to local\n */\nexport function fromGregorian(gdate: Date): NgbDate {\n  let g2d = gregorianToJulian(gdate.getFullYear(), gdate.getMonth() + 1, gdate.getDate());\n  return julianToJalali(g2d);\n}\n\nexport function setJalaliYear(date: NgbDate, yearValue: number): NgbDate {\n  date.year = +yearValue;\n  return date;\n}\n\nexport function setJalaliMonth(date: NgbDate, month: number): NgbDate {\n  month = +month;\n  date.year = date.year + Math.floor((month - 1) / 12);\n  date.month = Math.floor(((month - 1) % 12 + 12) % 12) + 1;\n  return date;\n}\n\nexport function setJalaliDay(date: NgbDate, day: number): NgbDate {\n  let mDays = getDaysPerMonth(date.month, date.year);\n  if (day <= 0) {\n    while (day <= 0) {\n      date = setJalaliMonth(date, date.month - 1);\n      mDays = getDaysPerMonth(date.month, date.year);\n      day += mDays;\n    }\n  } else if (day > mDays) {\n    while (day > mDays) {\n      day -= mDays;\n      date = setJalaliMonth(date, date.month + 1);\n      mDays = getDaysPerMonth(date.month, date.year);\n    }\n  }\n  date.day = day;\n  return date;\n}\n\nfunction mod(a: number, b: number): number {\n  return a - b * Math.floor(a / b);\n}\n\nfunction div(a: number, b: number) {\n  return Math.trunc(a / b);\n}\n\n/*\n This function determines if the Jalali (Persian) year is\n leap (366-day long) or is the common year (365 days), and\n finds the day in March (Gregorian calendar) of the first\n day of the Jalali year (jalaliYear).\n @param jalaliYear Jalali calendar year (-61 to 3177)\n @return\n leap: number of years since the last leap year (0 to 4)\n gYear: Gregorian year of the beginning of Jalali year\n march: the March day of Farvardin the 1st (1st day of jalaliYear)\n @see: http://www.astro.uni.torun.pl/~kb/Papers/EMP/PersianC-EMP.htm\n @see: http://www.fourmilab.ch/documents/calendar/\n */\nfunction jalCal(jalaliYear: number) {\n  // Jalali years starting the 33-year rule.\n  let breaks =\n      [-61, 9, 38, 199, 426, 686, 756, 818, 1111, 1181, 1210, 1635, 2060, 2097, 2192, 2262, 2324, 2394, 2456, 3178];\n  const breaksLength = breaks.length;\n  const gYear = jalaliYear + 621;\n  let leapJ = -14;\n  let jp = breaks[0];\n\n  if (jalaliYear < jp || jalaliYear >= breaks[breaksLength - 1]) {\n    throw new Error('Invalid Jalali year ' + jalaliYear);\n  }\n\n  // Find the limiting years for the Jalali year jalaliYear.\n  let jump;\n  for (let i = 1; i < breaksLength; i += 1) {\n    const jm = breaks[i];\n    jump = jm - jp;\n    if (jalaliYear < jm) {\n      break;\n    }\n    leapJ = leapJ + div(jump, 33) * 8 + div(mod(jump, 33), 4);\n    jp = jm;\n  }\n  let n = jalaliYear - jp;\n\n  // Find the number of leap years from AD 621 to the beginning\n  // of the current Jalali year in the Persian calendar.\n  leapJ = leapJ + div(n, 33) * 8 + div(mod(n, 33) + 3, 4);\n  if (mod(jump, 33) === 4 && jump - n === 4) {\n    leapJ += 1;\n  }\n\n  // And the same in the Gregorian calendar (until the year gYear).\n  const leapG = div(gYear, 4) - div((div(gYear, 100) + 1) * 3, 4) - 150;\n\n  // Determine the Gregorian date of Farvardin the 1st.\n  const march = 20 + leapJ - leapG;\n\n  // Find how many years have passed since the last leap year.\n  if (jump - n < 6) {\n    n = n - jump + div(jump + 4, 33) * 33;\n  }\n  let leap = mod(mod(n + 1, 33) - 1, 4);\n  if (leap === -1) {\n    leap = 4;\n  }\n\n  return {leap: leap, gy: gYear, march: march};\n}\n\n/*\n Calculates Gregorian and Julian calendar dates from the Julian Day number\n (jdn) for the period since jdn=-34839655 (i.e. the year -100100 of both\n calendars) to some millions years ahead of the present.\n @param jdn Julian Day number\n @return\n gYear: Calendar year (years BC numbered 0, -1, -2, ...)\n gMonth: Calendar month (1 to 12)\n gDay: Calendar day of the month M (1 to 28/29/30/31)\n */\nfunction julianToGregorian(julianDayNumber: number) {\n  let j = 4 * julianDayNumber + 139361631;\n  j = j + div(div(4 * julianDayNumber + 183187720, 146097) * 3, 4) * 4 - 3908;\n  const i = div(mod(j, 1461), 4) * 5 + 308;\n  const gDay = div(mod(i, 153), 5) + 1;\n  const gMonth = mod(div(i, 153), 12) + 1;\n  const gYear = div(j, 1461) - 100100 + div(8 - gMonth, 6);\n\n  return new Date(gYear, gMonth - 1, gDay);\n}\n\n/*\n Converts a date of the Jalali calendar to the Julian Day number.\n @param jy Jalali year (1 to 3100)\n @param jm Jalali month (1 to 12)\n @param jd Jalali day (1 to 29/31)\n @return Julian Day number\n */\nfunction gregorianToJulian(gy: number, gm: number, gd: number) {\n  let d = div((gy + div(gm - 8, 6) + 100100) * 1461, 4) + div(153 * mod(gm + 9, 12) + 2, 5) + gd - 34840408;\n  d = d - div(div(gy + 100100 + div(gm - 8, 6), 100) * 3, 4) + 752;\n  return d;\n}\n\n/*\n Converts the Julian Day number to a date in the Jalali calendar.\n @param julianDayNumber Julian Day number\n @return\n jalaliYear: Jalali year (1 to 3100)\n jalaliMonth: Jalali month (1 to 12)\n jalaliDay: Jalali day (1 to 29/31)\n */\nfunction julianToJalali(julianDayNumber: number) {\n  let gy = julianToGregorian(julianDayNumber).getFullYear()  // Calculate Gregorian year (gy).\n      ,\n      jalaliYear = gy - 621, r = jalCal(jalaliYear), gregorianDay = gregorianToJulian(gy, 3, r.march), jalaliDay,\n      jalaliMonth, numberOfDays;\n\n  // Find number of days that passed since 1 Farvardin.\n  numberOfDays = julianDayNumber - gregorianDay;\n  if (numberOfDays >= 0) {\n    if (numberOfDays <= 185) {\n      // The first 6 months.\n      jalaliMonth = 1 + div(numberOfDays, 31);\n      jalaliDay = mod(numberOfDays, 31) + 1;\n      return new NgbDate(jalaliYear, jalaliMonth, jalaliDay);\n    } else {\n      // The remaining months.\n      numberOfDays -= 186;\n    }\n  } else {\n    // Previous Jalali year.\n    jalaliYear -= 1;\n    numberOfDays += 179;\n    if (r.leap === 1) {\n      numberOfDays += 1;\n    }\n  }\n  jalaliMonth = 7 + div(numberOfDays, 30);\n  jalaliDay = mod(numberOfDays, 30) + 1;\n\n  return new NgbDate(jalaliYear, jalaliMonth, jalaliDay);\n}\n\n/*\n Converts a date of the Jalali calendar to the Julian Day number.\n @param jYear Jalali year (1 to 3100)\n @param jMonth Jalali month (1 to 12)\n @param jDay Jalali day (1 to 29/31)\n @return Julian Day number\n */\nfunction jalaliToJulian(jYear: number, jMonth: number, jDay: number) {\n  let r = jalCal(jYear);\n  return gregorianToJulian(r.gy, 3, r.march) + (jMonth - 1) * 31 - div(jMonth, 7) * (jMonth - 7) + jDay - 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