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!SFX_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!SFX_LIC This is part of the SURFEX software governed by the CeCILL-C licence
!SFX_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
!SFX_LIC for details. version 1.
FUNCTION LT_DATE(DATE1, DATE2)
!!
!!*** *LT_DATE* -
!!
!! PURPOSE
!! -------
!! Check if a date is lower than an other
!!
!!** METHOD
!! ------
!!
!! AUTHOR
!! ------
!! M. Goret
!!
!! MODIFICATIONS
!! -------------
!! Original 03/2017
!!
!!
!! EXTERNAL
!! --------
!!
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!
USE MODD_TYPE_DATE_SURF
!
TYPE(DATE_TIME), INTENT(IN) :: DATE1, DATE2
LOGICAL :: LT_DATE !Boolean flush to true if date1 is lower than date2
LT_DATE=.TRUE.
!Check the year
IF (DATE2%TDATE%YEAR == DATE1%TDATE%YEAR) THEN
IF (DATE2%TDATE%MONTH == DATE1%TDATE%MONTH) THEN
IF (DATE2%TDATE%DAY == DATE1%TDATE%DAY) THEN
IF (DATE2%TIME <= DATE1%TIME) LT_DATE=.FALSE.
ELSEIF (DATE2%TDATE%DAY < DATE1%TDATE%DAY) THEN
LT_DATE=.FALSE.
ENDIF
ELSEIF (DATE2%TDATE%MONTH < DATE1%TDATE%MONTH) THEN
LT_DATE=.FALSE.
ENDIF
ELSEIF (DATE2%TDATE%YEAR < DATE1%TDATE%YEAR) THEN
LT_DATE=.FALSE.
ENDIF
END FUNCTION LT_DATE