dcdatetimeadd.f90 File Reference

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Functions/Subroutines
type(dc_datetime) function	dcdatetime_add_ft (diff, time)
	Functions for user defined operation (+).
type(dc_datetime) function	dcdatetime_add_tf (time, diff)
type(dc_difftime) function	dcdatetime_add_ff (diff1, diff2)
type(dc_difftime) function	dcdatetime_add_fd (diff, sec)
type(dc_difftime) function	dcdatetime_add_fr (diff, sec)
type(dc_difftime) function	dcdatetime_add_fi (diff, sec)

Function/Subroutine Documentation

dcdatetime_add_fd()

type(dc_difftime) function dcdatetime_add_fd	(	type(dc_difftime), intent(in)	diff,
		real(dp), intent(in)	sec )

Add double precision seconds to DC_DIFFTIME

Parameters

[in]	diff	Time difference
[in]	sec	Seconds to add (double precision)

Returns

result Result of addition

Definition at line 134 of file dcdatetimeadd.f90.

  use dc_date_types, only: dc_datetime, dc_difftime
  use dc_date_internal, only: dcdate_normalize, dcdate_nondimcheck
  use dc_scaledsec, only: operator(+)
  use dc_types, only: dp
  implicit none
  type(DC_DIFFTIME):: result
  type(DC_DIFFTIME), intent(in):: diff
  real(DP), intent(in):: sec
continue
  result % mon = diff % mon
  result % day = diff % day
  result % sec = diff % sec + sec
  result % day_seconds = diff % day_seconds
  call dcdate_normalize(result % day, result % sec, result % day_seconds, result % nondim_flag)

References dc_date_internal::dcdate_nondimcheck(), dc_date_internal::dcdate_normalize(), and dc_types::dp.

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dcdatetime_add_ff()

type(dc_difftime) function dcdatetime_add_ff	(	type(dc_difftime), intent(in)	diff1,
		type(dc_difftime), intent(in)	diff2 )

Add two DC_DIFFTIME values

Parameters

[in]	diff1	First time difference
[in]	diff2	Second time difference

Returns

result Result of addition

Definition at line 105 of file dcdatetimeadd.f90.

  use dc_date_types, only: dc_datetime, dc_difftime
  use dc_date_internal, only: dcdate_normalize, dcdate_nondimcheck
  use dc_scaledsec, only: operator(+)
  implicit none
  type(DC_DIFFTIME):: result
  type(DC_DIFFTIME), intent(in):: diff1, diff2
continue
  result % mon = diff1 % mon + diff2 % mon
  result % day = diff1 % day + diff2 % day
  result % sec = diff1 % sec + diff2 % sec
  result % day_seconds = diff1 % day_seconds
  call dcdate_nondimcheck('dc_date#operator(+)', diff1, diff2, result)
  call dcdate_normalize(result % day, result % sec, result % day_seconds, result % nondim_flag)

References dc_date_internal::dcdate_nondimcheck(), and dc_date_internal::dcdate_normalize().

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dcdatetime_add_fi()

type(dc_difftime) function dcdatetime_add_fi	(	type(dc_difftime), intent(in)	diff,
		integer, intent(in)	sec )

Add integer seconds to DC_DIFFTIME

Parameters

[in]	diff	Time difference
[in]	sec	Seconds to add (integer)

Returns

result Result of addition

Definition at line 190 of file dcdatetimeadd.f90.

  use dc_date_types, only: dc_datetime, dc_difftime
  use dc_date_generic, only: operator(+)
  use dc_scaledsec, only: operator(+)
  use dc_types, only: dp
  implicit none
  type(DC_DIFFTIME):: result
  type(DC_DIFFTIME), intent(in):: diff
  integer, intent(in):: sec
continue
  result = diff + real( sec, dp )

References dc_types::dp.

dcdatetime_add_fr()

type(dc_difftime) function dcdatetime_add_fr	(	type(dc_difftime), intent(in)	diff,
		real, intent(in)	sec )

Add single precision seconds to DC_DIFFTIME

Parameters

[in]	diff	Time difference
[in]	sec	Seconds to add (single precision)

Returns

result Result of addition

Definition at line 164 of file dcdatetimeadd.f90.

  use dc_date_types, only: dc_datetime, dc_difftime
  use dc_date_generic, only: operator(+)
  use dc_scaledsec, only: operator(+)
  use dc_types, only: dp
  implicit none
  type(DC_DIFFTIME):: result
  type(DC_DIFFTIME), intent(in):: diff
  real, intent(in):: sec
continue
  result = diff + real( sec, dp )

References dc_types::dp.

dcdatetime_add_ft()

type(dc_datetime) function dcdatetime_add_ft	(	type(dc_difftime), intent(in)	diff,
		type(dc_datetime), intent(in)	time )

Functions for user defined operation (+).

Author

Yasuhiro MORIKAWA, Eizi TOYODA

Copyright

Copyright (C) GFD Dennou Club, 2000-2026. All rights reserved.
License is BSD-2-Clause. see COPYRIGHT in detail

Procedures described in this file are provided from "dc_date" module.

Add DC_DIFFTIME to DC_DATETIME

Adds two datetime (DC_DATETIME type) or time difference (DC_DIFFTIME type).

Parameters

[in]	diff	Time difference
[in]	time	Datetime

Returns

result Result of addition

Definition at line 43 of file dcdatetimeadd.f90.

  use dc_date_types, only: dc_datetime, dc_difftime
  use dc_date_generic, only: dcdatetimecreate, eval
  use dc_scaledsec, only: dc_scaled_sec, &
    & operator(<), operator(>), operator(<=), operator(>=), &
    & operator(+), operator(-), operator(*), operator(/), &
    & modulo, int, abs, sign
  implicit none
  type(DC_DATETIME):: result
  type(DC_DIFFTIME), intent(in):: diff
  type(DC_DATETIME), intent(in):: time
  type(DC_SCALED_SEC):: time_year, time_mon, time_day, time_sec
  integer:: time_caltype
  character(6):: time_zone
continue
  call eval(time, sclyear = time_year, sclmon = time_mon, &
    & sclday = time_day, sclsec = time_sec, &
    & caltype = time_caltype, zone = time_zone)
  call dcdatetimecreate(result, sclyear = time_year, &
    & sclmon = time_mon + diff % mon, &
    & sclday = time_day + diff % day, &
    & sclsec = time_sec + diff % sec, &
    & caltype = time_caltype, zone = time_zone)

References dc_date_types::caltype.

dcdatetime_add_tf()

type(dc_datetime) function dcdatetime_add_tf	(	type(dc_datetime), intent(in)	time,
		type(dc_difftime), intent(in)	diff )

Add DC_DIFFTIME to DC_DATETIME (reversed order)

Parameters

[in]	time	Datetime
[in]	diff	Time difference

Returns

result Result of addition

Definition at line 81 of file dcdatetimeadd.f90.

    use dc_date_generic, only: operator(+)
    use dc_date_types, only: dc_datetime, dc_difftime
    implicit none
  type(DC_DATETIME):: result
  type(DC_DATETIME), intent(in):: time
  type(DC_DIFFTIME), intent(in):: diff
continue
  result = diff + time