// Code generated by modernc.org/undup from the per-target sqlite_*.go files; DO NOT EDIT.

//go:build (freebsd && arm) || (linux && arm) || (linux && arm64) || (linux && ppc64le) || (linux && riscv64) || (linux && s390x) || (openbsd && arm64)

package sqlite3

import (
	"unsafe"

	"modernc.org/libc"
)

// C documentation
//
//	/*
//	** Compute the Year, Month, and Day from the julian day number.
//	*/
func _computeYMD(tls *libc.TLS, p uintptr) {
	var A, B, C, D, E, X1, Z, alpha, v1 int32
	_, _, _, _, _, _, _, _, _ = A, B, C, D, E, X1, Z, alpha, v1
	if (*TDateTime)(unsafe.Pointer(p)).FvalidYMD != 0 {
		return
	}
	if !((*TDateTime)(unsafe.Pointer(p)).FvalidJD != 0) {
		(*TDateTime)(unsafe.Pointer(p)).FY = int32(2000)
		(*TDateTime)(unsafe.Pointer(p)).FM = int32(1)
		(*TDateTime)(unsafe.Pointer(p)).FD = int32(1)
	} else {
		if !(_validJulianDay(tls, (*TDateTime)(unsafe.Pointer(p)).FiJD) != 0) {
			_datetimeError(tls, p)
			return
		} else {
			Z = int32(((*TDateTime)(unsafe.Pointer(p)).FiJD + libc.Int64FromInt32(43200000)) / libc.Int64FromInt32(86400000))
			alpha = int32((float64(Z)+libc.Float64FromFloat64(32044.75))/libc.Float64FromFloat64(36524.25)) - int32(52)
			A = Z + int32(1) + alpha - (alpha+int32(100))/int32(4) + int32(25)
			B = A + int32(1524)
			C = int32((float64(B) - libc.Float64FromFloat64(122.1)) / libc.Float64FromFloat64(365.25))
			D = int32(36525) * (C & int32(32767)) / int32(100)
			E = int32(float64(B-D) / libc.Float64FromFloat64(30.6001))
			X1 = int32(float64(libc.Float64FromFloat64(30.6001) * float64(E)))
			(*TDateTime)(unsafe.Pointer(p)).FD = B - D - X1
			if E < int32(14) {
				v1 = E - int32(1)
			} else {
				v1 = E - int32(13)
			}
			(*TDateTime)(unsafe.Pointer(p)).FM = v1
			if (*TDateTime)(unsafe.Pointer(p)).FM > int32(2) {
				v1 = C - int32(4716)
			} else {
				v1 = C - int32(4715)
			}
			(*TDateTime)(unsafe.Pointer(p)).FY = v1
		}
	}
	(*TDateTime)(unsafe.Pointer(p)).FvalidYMD = uint8(1)
}