| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/fizhi/fizhi_clockstuff.F,v 1.30 2012/03/19 21:46:58 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "FIZHI_OPTIONS.h" |
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|
| 6 |
C-- File fizhi_clockstuff.F: |
| 7 |
C-- Contents |
| 8 |
C-- o SET_ALARM |
| 9 |
C-- o GET_ALARM |
| 10 |
C-- o ALARM (function) |
| 11 |
C-- o ALARM2 (function) |
| 12 |
C-- o ALARM2NEXT (function) |
| 13 |
C-- o SET_TIME |
| 14 |
C-- o GET_TIME |
| 15 |
C-- o NSECF (function) |
| 16 |
C-- o NHMSF (function) |
| 17 |
C-- o NSECF2 (function) |
| 18 |
C-- o FIXDATE |
| 19 |
C-- o INTERP_TIME |
| 20 |
C-- o TICK |
| 21 |
C-- o TIC_TIME |
| 22 |
C-- o NALARM (function) |
| 23 |
C-- o NALARM2 (function) |
| 24 |
C-- o INCYMD (function) |
| 25 |
C-- o ASTRO |
| 26 |
C-- o TIME_BOUND |
| 27 |
C-- o TIME2FREQ2 |
| 28 |
|
| 29 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
| 31 |
subroutine set_alarm (tag,datein,timein,freq) |
| 32 |
C*********************************************************************** |
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C Purpose |
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C ------- |
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C Utility to Set Internal Alarms |
| 36 |
C |
| 37 |
C Argument Description |
| 38 |
C -------------------- |
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C tag ....... Character String Tagging Alarm Process |
| 40 |
C date ...... Begining Date for Alarm |
| 41 |
C time ...... Begining Time for Alarm |
| 42 |
C freq ...... Repeating Frequency Interval for Alarm |
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C |
| 44 |
C*********************************************************************** |
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|
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implicit none |
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#include "EEPARAMS.h" |
| 48 |
#include "chronos.h" |
| 49 |
|
| 50 |
character*(*) tag |
| 51 |
integer freq,datein,timein |
| 52 |
|
| 53 |
C- functions: |
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INTEGER ILNBLNK |
| 55 |
EXTERNAL ILNBLNK |
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|
| 57 |
C- local variables: |
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integer myid |
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logical first,set |
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data first /.true./ |
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integer n, iL |
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|
| 63 |
myid = 1 |
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if(first) then |
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ntags = 1 |
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tags(1) = tag |
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freqs(1) = freq |
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dates(1) = datein |
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times(1) = timein |
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iL = ILNBLNK(tag) |
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WRITE(standardMessageUnit,'(A,I8,A,I6.6,A,I10,2A)') |
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& ' Set Alarm for: ', datein, ' ', timein, |
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& ', with frequency: ', freq, ', and Tag: ',tag(1:iL) |
| 74 |
else |
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|
| 76 |
set = .false. |
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do n=1,ntags |
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if(tag.eq.tags(n)) then |
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if( myid.eq.1 ) then |
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print *, 'Warning! Alarm has already been set for Tag: ',tag |
| 81 |
print *, 'Changing Alarm Information:' |
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print *, 'Frequency: ',freqs(n),' (Old) ',freq,' (New)' |
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print *, ' Date0: ',dates(n),' (Old) ',datein,' (New)' |
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print *, ' Time0: ',times(n),' (Old) ',timein,' (New)' |
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endif |
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freqs(n) = freq |
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dates(n) = datein |
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times(n) = timein |
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set = .true. |
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endif |
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enddo |
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if(.not.set) then |
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ntags = ntags+1 |
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if(ntags.gt.maxtag ) then |
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if( myid.eq.1 ) then |
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print *, 'Too many Alarms are Set!!' |
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print *, 'Maximum Number of Alarms = ',maxtag |
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endif |
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call my_finalize |
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call my_exit (101) |
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endif |
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tags(ntags) = tag |
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freqs(ntags) = freq |
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dates(ntags) = datein |
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times(ntags) = timein |
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iL = ILNBLNK(tag) |
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WRITE(standardMessageUnit,'(A,I8,A,I6.6,A,I10,2A)') |
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& ' Set Alarm for: ', datein, ' ', timein, |
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& ', with frequency: ', freq, ', and Tag: ',tag(1:iL) |
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endif |
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endif |
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|
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first = .false. |
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return |
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end |
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|
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subroutine get_alarm (tag,datein,timein,freq,tleft) |
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C*********************************************************************** |
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C Purpose |
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C ------- |
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C Utility to Get Internal Alarm Information |
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C |
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C Input |
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C ----- |
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C tag ....... Character String Tagging Alarm Process |
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C |
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C Output |
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C ------ |
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C datein ...... Begining Date for Alarm |
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C timein ...... Begining Time for Alarm |
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C freq ........ Frequency Interval for Alarm |
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C tleft ....... Time Remaining (seconds) before Alarm is TRUE |
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C |
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C*********************************************************************** |
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|
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implicit none |
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character*(*) tag |
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integer freq,datein,timein,tleft |
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|
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#include "chronos.h" |
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|
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logical set,alarm |
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external alarm |
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integer myid,n,nalarm,nsecf |
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|
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myid = 1 |
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set = .false. |
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do n=1,ntags |
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if (tag.eq.tags(n)) then |
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freq = freqs(n) |
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datein = dates(n) |
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timein = times(n) |
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|
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if ( alarm(tag) ) then |
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tleft = 0 |
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else |
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call get_time (nymd,nhms) |
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tleft = nsecf(freq) - nalarm(freq,nymd,nhms,datein,timein ) |
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endif |
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|
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set = .true. |
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endif |
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enddo |
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|
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if(.not.set) then |
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if( myid.eq.1 ) print *, 'Alarm has not been set for Tag: ',tag |
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freq = 0 |
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datein = 0 |
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timein = 0 |
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tleft = 0 |
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endif |
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|
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return |
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end |
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|
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LOGICAL FUNCTION ALARM (tag) |
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implicit none |
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character*(*) tag |
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#include "chronos.h" |
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|
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integer datein,timein |
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integer n,nalarm |
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external nalarm |
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|
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call get_time (datein,timein) |
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|
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alarm = .false. |
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do n=1,ntags |
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if( tags(n).eq.tag ) then |
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if( freqs(n).eq.0 ) then |
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alarm = (dates(n).eq.datein) .and. (times(n).eq.timein) |
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else |
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alarm = ( datein.gt.dates(n) .or. |
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& (datein.eq.dates(n) .and. timein.ge.times(n)) ) |
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& .and. nalarm( freqs(n),datein,timein,dates(n),times(n) ).eq.0 |
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endif |
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endif |
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enddo |
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|
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return |
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end |
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|
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LOGICAL FUNCTION ALARM2 (tag) |
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implicit none |
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character*(*) tag |
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#include "chronos.h" |
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|
| 208 |
integer datein,timein |
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integer n,nalarm2 |
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external nalarm2 |
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|
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call get_time (datein,timein) |
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|
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alarm2 = .false. |
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do n=1,ntags |
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if( tags(n).eq.tag ) then |
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if( freqs(n).eq.0 ) then |
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alarm2 = (dates(n).eq.datein) .and. (times(n).eq.timein) |
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else |
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alarm2 = ( datein.gt.dates(n) .or. |
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& (datein.eq.dates(n) .and. timein.ge.times(n)) ) |
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& .and. nalarm2( freqs(n),datein,timein,dates(n),times(n) ).eq.0 |
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endif |
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endif |
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enddo |
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|
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return |
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end |
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|
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LOGICAL FUNCTION ALARM2NEXT (tag,deltat) |
| 231 |
implicit none |
| 232 |
character*(*) tag |
| 233 |
_RL deltat |
| 234 |
#include "chronos.h" |
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|
| 236 |
integer datein,timein,ndt |
| 237 |
integer dateminus,timeminus |
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integer n,nalarm2 |
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external nalarm2 |
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|
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ndt = int(deltat) |
| 242 |
call get_time (dateminus,timeminus) |
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datein = dateminus |
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timein = timeminus |
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call tick(datein,timein,ndt) |
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|
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alarm2next = .false. |
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do n=1,ntags |
| 249 |
if( tags(n).eq.tag ) then |
| 250 |
if( freqs(n).eq.0 ) then |
| 251 |
alarm2next = (dates(n).eq.datein) .and. (times(n).eq.timein) |
| 252 |
else |
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alarm2next = ( datein.gt.dates(n) .or. |
| 254 |
& (datein.eq.dates(n) .and. timein.ge.times(n)) ) |
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& .and. nalarm2( freqs(n),datein,timein,dates(n),times(n) ).eq.0 |
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endif |
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endif |
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enddo |
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|
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return |
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end |
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|
| 263 |
subroutine set_time (datein,timein) |
| 264 |
implicit none |
| 265 |
integer datein,timein |
| 266 |
|
| 267 |
#include "chronos.h" |
| 268 |
|
| 269 |
integer myid |
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|
| 271 |
myid = 1 |
| 272 |
if( myid.eq.1 ) then |
| 273 |
print *, 'Setting Clock' |
| 274 |
print *, 'Date: ',datein |
| 275 |
print *, 'Time: ',timein |
| 276 |
endif |
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|
| 278 |
nymd = datein |
| 279 |
nhms = timein |
| 280 |
return |
| 281 |
end |
| 282 |
|
| 283 |
subroutine get_time (datein,timein) |
| 284 |
implicit none |
| 285 |
integer datein,timein |
| 286 |
|
| 287 |
#include "chronos.h" |
| 288 |
|
| 289 |
datein = nymd |
| 290 |
timein = nhms |
| 291 |
return |
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end |
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|
| 294 |
function nsecf (nhms) |
| 295 |
C*********************************************************************** |
| 296 |
C Purpose |
| 297 |
C Converts NHMS format to Total Seconds |
| 298 |
C |
| 299 |
C*********************************************************************** |
| 300 |
implicit none |
| 301 |
integer nhms, nsecf |
| 302 |
nsecf = nhms/10000*3600 + mod(nhms,10000)/100*60 + mod(nhms,100) |
| 303 |
return |
| 304 |
end |
| 305 |
|
| 306 |
function nhmsf (nsec) |
| 307 |
C*********************************************************************** |
| 308 |
C Purpose |
| 309 |
C Converts Total Seconds to NHMS format |
| 310 |
C |
| 311 |
C*********************************************************************** |
| 312 |
implicit none |
| 313 |
integer nhmsf, nsec |
| 314 |
nhmsf = nsec/3600*10000 + mod(nsec,3600)/60*100 + mod(nsec,60) |
| 315 |
return |
| 316 |
end |
| 317 |
|
| 318 |
function nsecf2 (nhhmmss,nmmdd,nymd) |
| 319 |
C*********************************************************************** |
| 320 |
C Purpose |
| 321 |
C Computes the Total Number of seconds from NYMD using NHHMMSS & NMMDD |
| 322 |
C |
| 323 |
C Arguments Description |
| 324 |
C NHHMMSS IntervaL Frequency (HHMMSS) |
| 325 |
C NMMDD Interval Frequency (MMDD) |
| 326 |
C NYMD Current Date (YYMMDD) |
| 327 |
C |
| 328 |
C NOTE: |
| 329 |
C IF (NMMDD.ne.0), THEN HOUR FREQUENCY HH MUST BE < 24 |
| 330 |
C |
| 331 |
C*********************************************************************** |
| 332 |
implicit none |
| 333 |
|
| 334 |
integer nsecf2,nhhmmss,nmmdd,nymd |
| 335 |
|
| 336 |
INTEGER NSDAY, NCYCLE |
| 337 |
PARAMETER ( NSDAY = 86400 ) |
| 338 |
PARAMETER ( NCYCLE = 1461*24*3600 ) |
| 339 |
|
| 340 |
INTEGER YEAR, MONTH, DAY |
| 341 |
|
| 342 |
c INTEGER MNDY(12,4) |
| 343 |
INTEGER MNDY(12*4) |
| 344 |
DATA MNDY /0,31,60,91,121,152,182,213,244,274,305,335,366, |
| 345 |
& 397,34*0 / |
| 346 |
|
| 347 |
integer nsecf,i,nsegm,nsegd,iday,iday2,nday |
| 348 |
|
| 349 |
C*********************************************************************** |
| 350 |
C* COMPUTE # OF SECONDS FROM NHHMMSS * |
| 351 |
C*********************************************************************** |
| 352 |
|
| 353 |
nsecf2 = nsecf( nhhmmss ) |
| 354 |
|
| 355 |
if( nmmdd.eq.0 ) return |
| 356 |
|
| 357 |
C*********************************************************************** |
| 358 |
C* COMPUTE # OF DAYS IN A 4-YEAR CYCLE * |
| 359 |
C*********************************************************************** |
| 360 |
|
| 361 |
DO I=15,48 |
| 362 |
c MNDY(I,1) = MNDY(I-12,1) + 365 |
| 363 |
MNDY(I) = MNDY(I-12) + 365 |
| 364 |
ENDDO |
| 365 |
|
| 366 |
C*********************************************************************** |
| 367 |
C* COMPUTE # OF SECONDS FROM NMMDD * |
| 368 |
C*********************************************************************** |
| 369 |
|
| 370 |
nsegm = nmmdd/100 |
| 371 |
nsegd = mod(nmmdd,100) |
| 372 |
|
| 373 |
YEAR = NYMD / 10000 |
| 374 |
MONTH = MOD(NYMD,10000) / 100 |
| 375 |
DAY = MOD(NYMD,100) |
| 376 |
|
| 377 |
c IDAY = MNDY( MONTH ,MOD(YEAR ,4)+1 ) |
| 378 |
IDAY = MNDY( MONTH +12*MOD(YEAR ,4) ) |
| 379 |
month = month + nsegm |
| 380 |
If( month.gt.12 ) then |
| 381 |
month = month - 12 |
| 382 |
year = year + 1 |
| 383 |
endif |
| 384 |
c IDAY2 = MNDY( MONTH ,MOD(YEAR ,4)+1 ) |
| 385 |
IDAY2 = MNDY( MONTH +12*MOD(YEAR ,4) ) |
| 386 |
|
| 387 |
nday = iday2-iday |
| 388 |
if(nday.lt.0) nday = nday + 1461 |
| 389 |
nday = nday + nsegd |
| 390 |
|
| 391 |
nsecf2 = nsecf2 + nday*nsday |
| 392 |
|
| 393 |
return |
| 394 |
end |
| 395 |
|
| 396 |
subroutine fixdate (nymd) |
| 397 |
implicit none |
| 398 |
integer nymd |
| 399 |
|
| 400 |
C Modify 6-digit YYMMDD for dates between 1950-2050 |
| 401 |
C ------------------------------------------------- |
| 402 |
if (nymd .lt. 500101) then |
| 403 |
nymd = 20000000 + nymd |
| 404 |
else if (nymd .le. 991231) then |
| 405 |
nymd = 19000000 + nymd |
| 406 |
endif |
| 407 |
|
| 408 |
return |
| 409 |
end |
| 410 |
|
| 411 |
subroutine interp_time ( nymd ,nhms , |
| 412 |
& nymd1,nhms1, nymd2,nhms2, fac1,fac2 ) |
| 413 |
C*********************************************************************** |
| 414 |
C |
| 415 |
C PURPOSE: |
| 416 |
C ======== |
| 417 |
C Compute interpolation factors, fac1 & fac2, to be used in the |
| 418 |
C calculation of the instantanious boundary conditions, ie: |
| 419 |
C |
| 420 |
C q(i,j) = fac1*q1(i,j) + fac2*q2(i,j) |
| 421 |
C where: |
| 422 |
C q(i,j) => Boundary Data valid at (nymd , nhms ) |
| 423 |
C q1(i,j) => Boundary Data centered at (nymd1 , nhms1) |
| 424 |
C q2(i,j) => Boundary Data centered at (nymd2 , nhms2) |
| 425 |
C |
| 426 |
C INPUT: |
| 427 |
C ====== |
| 428 |
C nymd : Date (yymmdd) of Current Timestep |
| 429 |
C nhms : Time (hhmmss) of Current Timestep |
| 430 |
C nymd1 : Date (yymmdd) of Boundary Data 1 |
| 431 |
C nhms1 : Time (hhmmss) of Boundary Data 1 |
| 432 |
C nymd2 : Date (yymmdd) of Boundary Data 2 |
| 433 |
C nhms2 : Time (hhmmss) of Boundary Data 2 |
| 434 |
C |
| 435 |
C OUTPUT: |
| 436 |
C ======= |
| 437 |
C fac1 : Interpolation factor for Boundary Data 1 |
| 438 |
C fac2 : Interpolation factor for Boundary Data 2 |
| 439 |
C |
| 440 |
C |
| 441 |
C*********************************************************************** |
| 442 |
implicit none |
| 443 |
|
| 444 |
integer nhms,nymd,nhms1,nymd1,nhms2,nymd2 |
| 445 |
_RL fac1,fac2 |
| 446 |
|
| 447 |
INTEGER YEAR , MONTH , DAY , SEC |
| 448 |
INTEGER YEAR1, MONTH1, DAY1, SEC1 |
| 449 |
INTEGER YEAR2, MONTH2, DAY2, SEC2 |
| 450 |
|
| 451 |
_RL time00, time1, time2 |
| 452 |
|
| 453 |
INTEGER DAYSCY |
| 454 |
parameter ( dayscy = 365*4 + 1 ) |
| 455 |
|
| 456 |
INTEGER MNDY(12*4) |
| 457 |
|
| 458 |
LOGICAL FIRST |
| 459 |
DATA FIRST/.TRUE./ |
| 460 |
|
| 461 |
DATA MNDY /0,31,60,91,121,152,182,213,244,274,305,335,366, |
| 462 |
& 397,34*0 / |
| 463 |
|
| 464 |
integer i,nsecf |
| 465 |
|
| 466 |
C*********************************************************************** |
| 467 |
C* SET TIME BOUNDARIES * |
| 468 |
C*********************************************************************** |
| 469 |
|
| 470 |
YEAR = NYMD / 10000 |
| 471 |
MONTH = MOD(NYMD,10000) / 100 |
| 472 |
DAY = MOD(NYMD,100) |
| 473 |
SEC = NSECF(NHMS) |
| 474 |
|
| 475 |
YEAR1 = NYMD1 / 10000 |
| 476 |
MONTH1 = MOD(NYMD1,10000) / 100 |
| 477 |
DAY1 = MOD(NYMD1,100) |
| 478 |
SEC1 = NSECF(NHMS1) |
| 479 |
|
| 480 |
YEAR2 = NYMD2 / 10000 |
| 481 |
MONTH2 = MOD(NYMD2,10000) / 100 |
| 482 |
DAY2 = MOD(NYMD2,100) |
| 483 |
SEC2 = NSECF(NHMS2) |
| 484 |
|
| 485 |
C*********************************************************************** |
| 486 |
C* COMPUTE DAYS IN 4-YEAR CYCLE * |
| 487 |
C*********************************************************************** |
| 488 |
|
| 489 |
IF(FIRST) THEN |
| 490 |
DO I=15,48 |
| 491 |
MNDY(I) = MNDY(I-12) + 365 |
| 492 |
ENDDO |
| 493 |
FIRST=.FALSE. |
| 494 |
ENDIF |
| 495 |
|
| 496 |
C*********************************************************************** |
| 497 |
C* COMPUTE INTERPOLATION FACTORS * |
| 498 |
C*********************************************************************** |
| 499 |
|
| 500 |
time00 = DAY + MNDY(MONTH +12*MOD(YEAR ,4)) + float(sec )/86400. |
| 501 |
time1 = DAY1 + MNDY(MONTH1+12*MOD(YEAR1,4)) + float(sec1)/86400. |
| 502 |
time2 = DAY2 + MNDY(MONTH2+12*MOD(YEAR2,4)) + float(sec2)/86400. |
| 503 |
|
| 504 |
if( time00 .lt.time1 ) time00 = time00 + dayscy |
| 505 |
if( time2.lt.time1 ) time2 = time2 + dayscy |
| 506 |
|
| 507 |
fac1 = (time2-time00)/(time2-time1) |
| 508 |
fac2 = (time00-time1)/(time2-time1) |
| 509 |
|
| 510 |
RETURN |
| 511 |
END |
| 512 |
|
| 513 |
subroutine tick (nymd,nhms,ndt) |
| 514 |
C*********************************************************************** |
| 515 |
C Purpose |
| 516 |
C Tick the Date (nymd) and Time (nhms) by NDT (seconds) |
| 517 |
C |
| 518 |
C*********************************************************************** |
| 519 |
implicit none |
| 520 |
|
| 521 |
integer nymd,nhms,ndt |
| 522 |
|
| 523 |
integer nsec,nsecf,incymd,nhmsf |
| 524 |
|
| 525 |
IF(NDT.NE.0) THEN |
| 526 |
NSEC = NSECF(NHMS) + NDT |
| 527 |
|
| 528 |
IF (NSEC.GT.86400) THEN |
| 529 |
DO WHILE (NSEC.GT.86400) |
| 530 |
NSEC = NSEC - 86400 |
| 531 |
NYMD = INCYMD (NYMD,1) |
| 532 |
ENDDO |
| 533 |
ENDIF |
| 534 |
|
| 535 |
IF (NSEC.EQ.86400) THEN |
| 536 |
NSEC = 0 |
| 537 |
NYMD = INCYMD (NYMD,1) |
| 538 |
ENDIF |
| 539 |
|
| 540 |
IF (NSEC.LT.00000) THEN |
| 541 |
DO WHILE (NSEC.LT.0) |
| 542 |
NSEC = 86400 + NSEC |
| 543 |
NYMD = INCYMD (NYMD,-1) |
| 544 |
ENDDO |
| 545 |
ENDIF |
| 546 |
|
| 547 |
NHMS = NHMSF (NSEC) |
| 548 |
ENDIF |
| 549 |
|
| 550 |
#ifdef FIZHI_USE_FIXED_DAY |
| 551 |
NYMD = 20040321 |
| 552 |
#endif |
| 553 |
|
| 554 |
RETURN |
| 555 |
END |
| 556 |
|
| 557 |
subroutine tic_time (mymd,mhms,ndt) |
| 558 |
C*********************************************************************** |
| 559 |
C PURPOSE |
| 560 |
C Tick the Clock by NDT (seconds) |
| 561 |
C |
| 562 |
C*********************************************************************** |
| 563 |
implicit none |
| 564 |
#include "chronos.h" |
| 565 |
|
| 566 |
integer mymd,mhms,ndt |
| 567 |
|
| 568 |
integer nsec,nsecf,incymd,nhmsf |
| 569 |
|
| 570 |
IF(NDT.NE.0) THEN |
| 571 |
NSEC = NSECF(NHMS) + NDT |
| 572 |
|
| 573 |
IF (NSEC.GT.86400) THEN |
| 574 |
DO WHILE (NSEC.GT.86400) |
| 575 |
NSEC = NSEC - 86400 |
| 576 |
NYMD = INCYMD (NYMD,1) |
| 577 |
ENDDO |
| 578 |
ENDIF |
| 579 |
|
| 580 |
IF (NSEC.EQ.86400) THEN |
| 581 |
NSEC = 0 |
| 582 |
NYMD = INCYMD (NYMD,1) |
| 583 |
ENDIF |
| 584 |
|
| 585 |
IF (NSEC.LT.00000) THEN |
| 586 |
DO WHILE (NSEC.LT.0) |
| 587 |
NSEC = 86400 + NSEC |
| 588 |
NYMD = INCYMD (NYMD,-1) |
| 589 |
ENDDO |
| 590 |
ENDIF |
| 591 |
|
| 592 |
NHMS = NHMSF (NSEC) |
| 593 |
ENDIF |
| 594 |
|
| 595 |
C Pass Back Current Updated Time |
| 596 |
C ------------------------------ |
| 597 |
mymd = nymd |
| 598 |
mhms = nhms |
| 599 |
|
| 600 |
RETURN |
| 601 |
END |
| 602 |
|
| 603 |
FUNCTION NALARM (MHMS,NYMD,NHMS,NYMD0,NHMS0) |
| 604 |
C*********************************************************************** |
| 605 |
C PURPOSE |
| 606 |
C COMPUTES MODULO-FRACTION BETWEEN MHHS AND TOTAL TIME |
| 607 |
C USAGE |
| 608 |
C ARGUMENTS DESCRIPTION |
| 609 |
C MHMS INTERVAL FREQUENCY (HHMMSS) |
| 610 |
C NYMD CURRENT YYMMDD |
| 611 |
C NHMS CURRENT HHMMSS |
| 612 |
C NYMD0 BEGINNING YYMMDD |
| 613 |
C NHMS0 BEGINNING HHMMSS |
| 614 |
C |
| 615 |
C*********************************************************************** |
| 616 |
implicit none |
| 617 |
|
| 618 |
integer nalarm,MHMS,NYMD,NHMS,NYMD0,NHMS0 |
| 619 |
|
| 620 |
integer nsday, ncycle |
| 621 |
PARAMETER ( NSDAY = 86400 ) |
| 622 |
PARAMETER ( NCYCLE = 1461*24*3600 ) |
| 623 |
|
| 624 |
INTEGER YEAR, MONTH, DAY, SEC, YEAR0, MONTH0, DAY0, SEC0 |
| 625 |
|
| 626 |
integer MNDY(12*4) |
| 627 |
DATA MNDY /0,31,60,91,121,152,182,213,244,274,305,335,366, |
| 628 |
& 397,34*0 / |
| 629 |
|
| 630 |
integer i,nsecf,iday,iday0,nsec,nsec0,ntime |
| 631 |
|
| 632 |
C*********************************************************************** |
| 633 |
C* COMPUTE # OF DAYS IN A 4-YEAR CYCLE * |
| 634 |
C*********************************************************************** |
| 635 |
|
| 636 |
DO I=15,48 |
| 637 |
MNDY(I) = MNDY(I-12) + 365 |
| 638 |
ENDDO |
| 639 |
|
| 640 |
C*********************************************************************** |
| 641 |
C* SET CURRENT AND BEGINNING TIMES * |
| 642 |
C*********************************************************************** |
| 643 |
|
| 644 |
YEAR = NYMD / 10000 |
| 645 |
MONTH = MOD(NYMD,10000) / 100 |
| 646 |
DAY = MOD(NYMD,100) |
| 647 |
SEC = NSECF(NHMS) |
| 648 |
|
| 649 |
YEAR0 = NYMD0 / 10000 |
| 650 |
MONTH0 = MOD(NYMD0,10000) / 100 |
| 651 |
DAY0 = MOD(NYMD0,100) |
| 652 |
SEC0 = NSECF(NHMS0) |
| 653 |
|
| 654 |
C*********************************************************************** |
| 655 |
C* COMPUTE POSITIONS IN CYCLE FOR CURRENT AND BEGINNING TIMES * |
| 656 |
C*********************************************************************** |
| 657 |
|
| 658 |
IDAY = (DAY -1) + MNDY( MONTH +12*MOD(YEAR ,4) ) |
| 659 |
IDAY0 = (DAY0-1) + MNDY( MONTH0+12*MOD(YEAR0,4) ) |
| 660 |
|
| 661 |
NSEC = IDAY *NSDAY + SEC |
| 662 |
NSEC0 = IDAY0*NSDAY + SEC0 |
| 663 |
|
| 664 |
NTIME = NSEC-NSEC0 |
| 665 |
IF (NTIME.LT.0 ) NTIME = NTIME + NCYCLE |
| 666 |
NALARM = NTIME |
| 667 |
IF ( MHMS.NE.0 ) NALARM = MOD( NALARM,NSECF(MHMS) ) |
| 668 |
|
| 669 |
RETURN |
| 670 |
END |
| 671 |
|
| 672 |
FUNCTION NALARM2(MHMS,NYMD,NHMS,NYMD0,NHMS0) |
| 673 |
C*********************************************************************** |
| 674 |
C PURPOSE |
| 675 |
C COMPUTES MODULO-FRACTION BETWEEN MHHS AND TOTAL TIME |
| 676 |
C USAGE |
| 677 |
C ARGUMENTS DESCRIPTION |
| 678 |
C MHMS INTERVAL FREQUENCY (MMDDHHMMSS) |
| 679 |
C NYMD CURRENT YYMMDD |
| 680 |
C NHMS CURRENT HHMMSS |
| 681 |
C NYMD0 BEGINNING YYMMDD |
| 682 |
C NHMS0 BEGINNING HHMMSS |
| 683 |
C |
| 684 |
C*********************************************************************** |
| 685 |
implicit none |
| 686 |
|
| 687 |
integer nalarm2,MHMS,NYMD,NHMS,NYMD0,NHMS0 |
| 688 |
|
| 689 |
integer nsday, ncycle |
| 690 |
PARAMETER ( NSDAY = 86400 ) |
| 691 |
PARAMETER ( NCYCLE = 1461*24*3600 ) |
| 692 |
|
| 693 |
INTEGER YEAR, MONTH, DAY, SEC, YEAR0, MONTH0, DAY0, SEC0 |
| 694 |
|
| 695 |
integer MNDY(12*4) |
| 696 |
DATA MNDY /0,31,60,91,121,152,182,213,244,274,305,335,366, |
| 697 |
& 397,34*0 / |
| 698 |
INTEGER NDPM(12) |
| 699 |
DATA NDPM /31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31/ |
| 700 |
|
| 701 |
integer i,nsecf,iday,iday0,nsec,nsec0,ntime |
| 702 |
integer NHMMSS,NMMDD |
| 703 |
integer iloop |
| 704 |
integer testnymd,testnhms,testndpm |
| 705 |
|
| 706 |
C*********************************************************************** |
| 707 |
C* COMPUTE # OF DAYS IN A 4-YEAR CYCLE * |
| 708 |
C*********************************************************************** |
| 709 |
|
| 710 |
DO I=15,48 |
| 711 |
MNDY(I) = MNDY(I-12) + 365 |
| 712 |
ENDDO |
| 713 |
|
| 714 |
C*********************************************************************** |
| 715 |
C* SET CURRENT AND BEGINNING TIMES * |
| 716 |
C*********************************************************************** |
| 717 |
|
| 718 |
YEAR = NYMD / 10000 |
| 719 |
MONTH = MOD(NYMD,10000) / 100 |
| 720 |
DAY = MOD(NYMD,100) |
| 721 |
SEC = NSECF(NHMS) |
| 722 |
|
| 723 |
YEAR0 = NYMD0 / 10000 |
| 724 |
MONTH0 = MOD(NYMD0,10000) / 100 |
| 725 |
DAY0 = MOD(NYMD0,100) |
| 726 |
SEC0 = NSECF(NHMS0) |
| 727 |
|
| 728 |
C*********************************************************************** |
| 729 |
C* COMPUTE POSITIONS IN CYCLE FOR CURRENT AND BEGINNING TIMES * |
| 730 |
C*********************************************************************** |
| 731 |
|
| 732 |
IDAY = (DAY -1) + MNDY( MONTH +12*MOD(YEAR ,4) ) |
| 733 |
IDAY0 = (DAY0-1) + MNDY( MONTH0+12*MOD(YEAR0,4) ) |
| 734 |
|
| 735 |
NSEC = IDAY *NSDAY + SEC |
| 736 |
NSEC0 = IDAY0*NSDAY + SEC0 |
| 737 |
|
| 738 |
NTIME = NSEC-NSEC0 |
| 739 |
IF(NTIME.LT.0) NTIME = NTIME + NCYCLE |
| 740 |
NALARM2 = NTIME |
| 741 |
IF(MHMS.NE.0)NALARM2 = MOD( NALARM2,NSECF(MHMS) ) |
| 742 |
IF(MHMS.GE.1000000) THEN |
| 743 |
testnymd=nymd0 |
| 744 |
testnhms=nhms0 |
| 745 |
NMMDD = MHMS / 1000000 |
| 746 |
NHMMSS = MOD(MHMS,1000000) |
| 747 |
do iloop=1,100000 |
| 748 |
testnymd=testnymd + nmmdd |
| 749 |
testnhms=testnhms + nhmmss |
| 750 |
year0=testnymd/10000 |
| 751 |
month0=mod(testnymd,10000)/100 |
| 752 |
day0 = mod(testnymd,100) |
| 753 |
testndpm = ndpm(month0) |
| 754 |
if( month0.eq.2 .and. mod(year0,4).eq.0) testndpm = 29 |
| 755 |
if(testnhms.ge.240000) then |
| 756 |
testnhms = testnhms-240000 |
| 757 |
testnymd = testnymd + 1 |
| 758 |
day0 = day0 + 1 |
| 759 |
endif |
| 760 |
if(day0.gt.testndpm) then |
| 761 |
testnymd = testnymd - testndpm |
| 762 |
testnymd = testnymd + 100 |
| 763 |
day0 = day0 - testndpm |
| 764 |
month0 = month0 + 1 |
| 765 |
endif |
| 766 |
if(month0.gt.12) then |
| 767 |
month0 = month0 - 12 |
| 768 |
year0 = year0 + 1 |
| 769 |
testnymd = testnymd + 10000 - 1200 |
| 770 |
endif |
| 771 |
sec0 = nsecf(testnhms) |
| 772 |
iday0 = (day0-1) + MNDY(month0+12*mod(year0,4) ) |
| 773 |
nsec0 = iday0 *nsday + sec0 |
| 774 |
if( (testnymd.gt.nymd) .or. |
| 775 |
& (testnymd.eq.testnymd) .and. (testnhms.gt.nhms) ) |
| 776 |
& go to 200 |
| 777 |
nalarm2 = nsec-nsec0 |
| 778 |
enddo |
| 779 |
200 continue |
| 780 |
ENDIF |
| 781 |
|
| 782 |
RETURN |
| 783 |
END |
| 784 |
|
| 785 |
FUNCTION INCYMD (NYMD,M) |
| 786 |
C*********************************************************************** |
| 787 |
C PURPOSE |
| 788 |
C INCYMD: NYMD CHANGED BY ONE DAY |
| 789 |
C MODYMD: NYMD CONVERTED TO JULIAN DATE |
| 790 |
C DESCRIPTION OF INPUT VARIABLES |
| 791 |
C NYMD CURRENT DATE IN YYMMDD FORMAT |
| 792 |
C M +/- 1 (DAY ADJUSTMENT) |
| 793 |
C |
| 794 |
C*********************************************************************** |
| 795 |
implicit none |
| 796 |
integer incymd,nymd,m |
| 797 |
|
| 798 |
integer ny,nm,nd,ny00,modymd |
| 799 |
|
| 800 |
INTEGER NDPM(12) |
| 801 |
DATA NDPM /31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31/ |
| 802 |
LOGICAL LEAP |
| 803 |
DATA NY00 /1900 / |
| 804 |
LEAP(NY) = MOD(NY,4).EQ.0 .AND. (NY.NE.0 .OR. MOD(NY00,400).EQ.0) |
| 805 |
|
| 806 |
C*********************************************************************** |
| 807 |
C |
| 808 |
NY = NYMD / 10000 |
| 809 |
NM = MOD(NYMD,10000) / 100 |
| 810 |
ND = MOD(NYMD,100) + M |
| 811 |
|
| 812 |
IF (ND.EQ.0) THEN |
| 813 |
NM = NM - 1 |
| 814 |
IF (NM.EQ.0) THEN |
| 815 |
NM = 12 |
| 816 |
NY = NY - 1 |
| 817 |
ENDIF |
| 818 |
ND = NDPM(NM) |
| 819 |
IF (NM.EQ.2 .AND. LEAP(NY)) ND = 29 |
| 820 |
ENDIF |
| 821 |
|
| 822 |
IF (ND.EQ.29 .AND. NM.EQ.2 .AND. LEAP(NY)) GO TO 20 |
| 823 |
|
| 824 |
IF (ND.GT.NDPM(NM)) THEN |
| 825 |
ND = 1 |
| 826 |
NM = NM + 1 |
| 827 |
IF (NM.GT.12) THEN |
| 828 |
NM = 1 |
| 829 |
NY = NY + 1 |
| 830 |
ENDIF |
| 831 |
ENDIF |
| 832 |
|
| 833 |
20 CONTINUE |
| 834 |
INCYMD = NY*10000 + NM*100 + ND |
| 835 |
|
| 836 |
RETURN |
| 837 |
|
| 838 |
C*********************************************************************** |
| 839 |
C E N T R Y M O D Y M D |
| 840 |
C*********************************************************************** |
| 841 |
|
| 842 |
ENTRY MODYMD (NYMD) |
| 843 |
|
| 844 |
NY = NYMD / 10000 |
| 845 |
NM = MOD(NYMD,10000) / 100 |
| 846 |
ND = MOD(NYMD,100) |
| 847 |
|
| 848 |
40 CONTINUE |
| 849 |
IF (NM.LE.1) GO TO 60 |
| 850 |
NM = NM - 1 |
| 851 |
ND = ND + NDPM(NM) |
| 852 |
IF (NM.EQ.2 .AND. LEAP(NY)) ND = ND + 1 |
| 853 |
GO TO 40 |
| 854 |
|
| 855 |
60 CONTINUE |
| 856 |
MODYMD = ND |
| 857 |
|
| 858 |
RETURN |
| 859 |
END |
| 860 |
|
| 861 |
SUBROUTINE ASTRO ( NYMD,NHMS,ALAT,ALON,IRUN,COSZ,RA ) |
| 862 |
C*********************************************************************** |
| 863 |
C |
| 864 |
C INPUT: |
| 865 |
C ====== |
| 866 |
C NYMD : CURRENT YYMMDD |
| 867 |
C NHMS : CURRENT HHMMSS |
| 868 |
C ALAT(IRUN):LATITUDES IN DEGREES. |
| 869 |
C ALON(IRUN):LONGITUDES IN DEGREES. (0 = GREENWICH, + = EAST). |
| 870 |
C IRUN : # OF POINTS TO CALCULATE |
| 871 |
C |
| 872 |
C OUTPUT: |
| 873 |
C ======= |
| 874 |
C COSZ(IRUN) : COSINE OF ZENITH ANGLE. |
| 875 |
C RA : EARTH-SUN DISTANCE IN UNITS OF |
| 876 |
C THE ORBITS SEMI-MAJOR AXIS. |
| 877 |
C |
| 878 |
C NOTE: |
| 879 |
C ===== |
| 880 |
C THE INSOLATION AT THE TOP OF THE ATMOSPHERE IS: |
| 881 |
C |
| 882 |
C S(I) = (SOLAR CONSTANT)*(1/RA**2)*COSZ(I), |
| 883 |
C |
| 884 |
C WHERE: |
| 885 |
C RA AND COSZ(I) ARE THE TWO OUTPUTS OF THIS SUBROUTINE. |
| 886 |
C |
| 887 |
C*********************************************************************** |
| 888 |
|
| 889 |
implicit none |
| 890 |
|
| 891 |
C Input Variables |
| 892 |
C --------------- |
| 893 |
integer nymd, nhms, irun |
| 894 |
_RL getcon, cosz(irun), alat(irun), alon(irun), ra |
| 895 |
|
| 896 |
C Local Variables |
| 897 |
C --------------- |
| 898 |
integer year, day, sec, month, iday, idayp1 |
| 899 |
integer dayscy |
| 900 |
integer i,nsecf,k,km,kp |
| 901 |
|
| 902 |
_RL hc |
| 903 |
_RL pi, zero, one, two, six, dg2rd, yrlen, eqnx, ob, ecc, per |
| 904 |
_RL daylen, fac, thm, thp, thnow, zs, zc, sj, cj |
| 905 |
|
| 906 |
parameter ( zero = 0.0 ) |
| 907 |
parameter ( one = 1.0 ) |
| 908 |
parameter ( two = 2.0 ) |
| 909 |
parameter ( six = 6.0 ) |
| 910 |
parameter ( dayscy = 365*4 + 1 ) |
| 911 |
|
| 912 |
_RL TH(DAYSCY),T0,T1,T2,T3,T4,FUN,Y |
| 913 |
INTEGER MNDY(12*4) |
| 914 |
|
| 915 |
LOGICAL FIRST |
| 916 |
DATA FIRST/.TRUE./ |
| 917 |
SAVE |
| 918 |
|
| 919 |
DATA MNDY /0,31,60,91,121,152,182,213,244,274,305,335,366, |
| 920 |
& 397,34*0 / |
| 921 |
|
| 922 |
FUN(Y,PI,ECC,YRLEN,PER) = (TWO*PI/((ONE-ECC**2)**1.5))*(ONE/YRLEN) |
| 923 |
& * (ONE - ECC*COS(Y-PER)) ** 2 |
| 924 |
|
| 925 |
C*********************************************************************** |
| 926 |
C* SET SOME CONSTANTS * |
| 927 |
C*********************************************************************** |
| 928 |
pi = getcon('PI') |
| 929 |
dg2rd = getcon('DEG2RAD') |
| 930 |
yrlen = getcon('YRLEN') |
| 931 |
ob = getcon('OBLDEG') * dg2rd |
| 932 |
daylen = getcon('SDAY') |
| 933 |
eqnx = getcon('VERNAL EQUINOX') |
| 934 |
ecc = getcon('ECCENTRICITY') |
| 935 |
per = getcon('PERIHELION') * dg2rd |
| 936 |
|
| 937 |
C*********************************************************************** |
| 938 |
C* SET CURRENT TIME * |
| 939 |
C*********************************************************************** |
| 940 |
|
| 941 |
YEAR = NYMD / 10000 |
| 942 |
MONTH = MOD(NYMD,10000) / 100 |
| 943 |
DAY = MOD(NYMD,100) |
| 944 |
SEC = NSECF(NHMS) |
| 945 |
|
| 946 |
C*********************************************************************** |
| 947 |
C* COMPUTE DAY-ANGLES FOR 4-YEAR CYCLE * |
| 948 |
C*********************************************************************** |
| 949 |
|
| 950 |
IF(FIRST) THEN |
| 951 |
DO 100 I=15,48 |
| 952 |
MNDY(I) = MNDY(I-12) + 365 |
| 953 |
100 CONTINUE |
| 954 |
|
| 955 |
KM = INT(EQNX) + 1 |
| 956 |
FAC = KM-EQNX |
| 957 |
T0 = ZERO |
| 958 |
T1 = FUN(T0,PI,ECC,YRLEN,PER )*FAC |
| 959 |
T2 = FUN(ZERO+T1/TWO,PI,ECC,YRLEN,PER)*FAC |
| 960 |
T3 = FUN(ZERO+T2/TWO,PI,ECC,YRLEN,PER)*FAC |
| 961 |
T4 = FUN(ZERO+T3,PI,ECC,YRLEN,PER )*FAC |
| 962 |
TH(KM) = (T1 + TWO*(T2 + T3) + T4) / SIX |
| 963 |
|
| 964 |
DO 200 K=2,DAYSCY |
| 965 |
T1 = FUN(TH(KM),PI,ECC,YRLEN,PER ) |
| 966 |
T2 = FUN(TH(KM)+T1/TWO,PI,ECC,YRLEN,PER) |
| 967 |
T3 = FUN(TH(KM)+T2/TWO,PI,ECC,YRLEN,PER) |
| 968 |
T4 = FUN(TH(KM)+T3,PI,ECC,YRLEN,PER ) |
| 969 |
KP = MOD(KM,DAYSCY) + 1 |
| 970 |
TH(KP) = TH(KM) + (T1 + TWO*(T2 + T3) + T4) / SIX |
| 971 |
KM = KP |
| 972 |
200 CONTINUE |
| 973 |
|
| 974 |
FIRST=.FALSE. |
| 975 |
ENDIF |
| 976 |
|
| 977 |
C*********************************************************************** |
| 978 |
C* COMPUTE EARTH-SUN DISTANCE TO CURRENT SECOND * |
| 979 |
C*********************************************************************** |
| 980 |
|
| 981 |
IDAY = DAY + MNDY(MONTH+12*MOD(YEAR,4) ) |
| 982 |
IDAYP1 = MOD( IDAY,DAYSCY) + 1 |
| 983 |
THM = MOD( TH(IDAY) ,TWO*PI) |
| 984 |
THP = MOD( TH(IDAYP1),TWO*PI) |
| 985 |
|
| 986 |
IF(THP.LT.THM) THP = THP + TWO*PI |
| 987 |
FAC = FLOAT(SEC)/DAYLEN |
| 988 |
THNOW = THM*(ONE-FAC) + THP*FAC |
| 989 |
|
| 990 |
ZS = SIN(THNOW) * SIN(OB) |
| 991 |
ZC = SQRT(ONE-ZS*ZS) |
| 992 |
RA = (1.-ECC*ECC) / ( ONE-ECC*COS(THNOW-PER) ) |
| 993 |
|
| 994 |
C*********************************************************************** |
| 995 |
C* COMPUTE COSINE OF THE ZENITH ANGLE * |
| 996 |
C*********************************************************************** |
| 997 |
|
| 998 |
FAC = FAC*TWO*PI + PI |
| 999 |
DO I = 1,IRUN |
| 1000 |
|
| 1001 |
HC = COS( FAC+ALON(I)*DG2RD ) |
| 1002 |
SJ = SIN(ALAT(I)*DG2RD) |
| 1003 |
CJ = SQRT(ONE-SJ*SJ) |
| 1004 |
|
| 1005 |
COSZ(I) = SJ*ZS + CJ*ZC*HC |
| 1006 |
IF( COSZ(I).LT.ZERO ) COSZ(I) = ZERO |
| 1007 |
ENDDO |
| 1008 |
|
| 1009 |
RETURN |
| 1010 |
END |
| 1011 |
|
| 1012 |
subroutine time_bound(nymd,nhms,nymd1,nhms1,nymd2,nhms2,imnm,imnp) |
| 1013 |
C*********************************************************************** |
| 1014 |
C PURPOSE |
| 1015 |
C Compute Date and Time boundaries. |
| 1016 |
C |
| 1017 |
C ARGUMENTS DESCRIPTION |
| 1018 |
C nymd .... Current Date |
| 1019 |
C nhms .... Current Time |
| 1020 |
C nymd1 ... Previous Date Boundary |
| 1021 |
C nhms1 ... Previous Time Boundary |
| 1022 |
C nymd2 ... Subsequent Date Boundary |
| 1023 |
C nhms2 ... Subsequent Time Boundary |
| 1024 |
C |
| 1025 |
C imnm .... Previous Time Index for Interpolation |
| 1026 |
C imnp .... Subsequent Time Index for Interpolation |
| 1027 |
C |
| 1028 |
C*********************************************************************** |
| 1029 |
|
| 1030 |
implicit none |
| 1031 |
integer nymd,nhms, nymd1,nhms1, nymd2,nhms2 |
| 1032 |
|
| 1033 |
C Local Variables |
| 1034 |
C --------------- |
| 1035 |
integer month,day,nyear,midmon1,midmon,midmon2 |
| 1036 |
integer imnm,imnp |
| 1037 |
INTEGER DAYS(14), daysm, days0, daysp |
| 1038 |
DATA DAYS /31,31,28,31,30,31,30,31,31,30,31,30,31,31/ |
| 1039 |
|
| 1040 |
integer nmonf,ndayf,n |
| 1041 |
NMONF(N) = MOD(N,10000)/100 |
| 1042 |
NDAYF(N) = MOD(N,100) |
| 1043 |
|
| 1044 |
C********************************************************************* |
| 1045 |
C**** Find Proper Month and Time Boundaries for Climatological Data ** |
| 1046 |
C********************************************************************* |
| 1047 |
|
| 1048 |
MONTH = NMONF(NYMD) |
| 1049 |
DAY = NDAYF(NYMD) |
| 1050 |
|
| 1051 |
daysm = days(month ) |
| 1052 |
days0 = days(month+1) |
| 1053 |
daysp = days(month+2) |
| 1054 |
|
| 1055 |
C Check for Leap Year |
| 1056 |
C ------------------- |
| 1057 |
nyear = nymd/10000 |
| 1058 |
if( 4*(nyear/4).eq.nyear ) then |
| 1059 |
if( month.eq.3 ) daysm = daysm+1 |
| 1060 |
if( month.eq.2 ) days0 = days0+1 |
| 1061 |
if( month.eq.1 ) daysp = daysp+1 |
| 1062 |
endif |
| 1063 |
|
| 1064 |
MIDMON1 = daysm/2 + 1 |
| 1065 |
MIDMON = days0/2 + 1 |
| 1066 |
MIDMON2 = daysp/2 + 1 |
| 1067 |
|
| 1068 |
|
| 1069 |
IF(DAY.LT.MIDMON) THEN |
| 1070 |
imnm = month |
| 1071 |
imnp = month + 1 |
| 1072 |
nymd2 = (nymd/10000)*10000 + month*100 + midmon |
| 1073 |
nhms2 = 000000 |
| 1074 |
nymd1 = nymd2 |
| 1075 |
nhms1 = nhms2 |
| 1076 |
call tick ( nymd1,nhms1, -midmon *86400 ) |
| 1077 |
call tick ( nymd1,nhms1,-(daysm-midmon1)*86400 ) |
| 1078 |
ELSE |
| 1079 |
IMNM = MONTH + 1 |
| 1080 |
IMNP = MONTH + 2 |
| 1081 |
nymd1 = (nymd/10000)*10000 + month*100 + midmon |
| 1082 |
nhms1 = 000000 |
| 1083 |
nymd2 = nymd1 |
| 1084 |
nhms2 = nhms1 |
| 1085 |
call tick ( nymd2,nhms2,(days0-midmon)*86400 ) |
| 1086 |
call tick ( nymd2,nhms2, midmon2*86400 ) |
| 1087 |
ENDIF |
| 1088 |
|
| 1089 |
C ------------------------------------------------------------- |
| 1090 |
C Note: At this point, imnm & imnp range between 01-14, where |
| 1091 |
C 01 -> Previous years December |
| 1092 |
C 02-13 -> Current years January-December |
| 1093 |
C 14 -> Next years January |
| 1094 |
C ------------------------------------------------------------- |
| 1095 |
|
| 1096 |
imnm = imnm-1 |
| 1097 |
imnp = imnp-1 |
| 1098 |
|
| 1099 |
if( imnm.eq.0 ) imnm = 12 |
| 1100 |
if( imnp.eq.0 ) imnp = 12 |
| 1101 |
if( imnm.eq.13 ) imnm = 1 |
| 1102 |
if( imnp.eq.13 ) imnp = 1 |
| 1103 |
|
| 1104 |
return |
| 1105 |
end |
| 1106 |
subroutine time2freq2(MMDD,NYMD,NHMS,timeleft) |
| 1107 |
C*********************************************************************** |
| 1108 |
C PURPOSE |
| 1109 |
C COMPUTES TIME IN SECONDS UNTIL WE REACH THE NEXT MMDD |
| 1110 |
C (ASSUME that the target time is 0Z) |
| 1111 |
C |
| 1112 |
C ARGUMENTS DESCRIPTION |
| 1113 |
C MMDD FREQUENCY (MMDDHHMMSS) |
| 1114 |
C NYMD CURRENT YYMMDD |
| 1115 |
C NHMS CURRENT HHMMSS |
| 1116 |
C TIMELEFT TIME LEFT (SECONDS) |
| 1117 |
C |
| 1118 |
C NOTES - Only used when the frequency is in units of months |
| 1119 |
C Assumes that we always want to be at a month boundary |
| 1120 |
C*********************************************************************** |
| 1121 |
implicit none |
| 1122 |
|
| 1123 |
integer mmdd,nymd,nhms,timeleft,daysleft |
| 1124 |
|
| 1125 |
integer nsday |
| 1126 |
PARAMETER ( NSDAY = 86400 ) |
| 1127 |
integer year, month, day, sec |
| 1128 |
integer yearnext, monthnext, daynext |
| 1129 |
integer i,nsecf,iday,idaynext,nsec |
| 1130 |
integer testnymd |
| 1131 |
integer MNDY(12*4) |
| 1132 |
DATA MNDY /0,31,60,91,121,152,182,213,244,274,305,335,366, |
| 1133 |
& 397,34*0 / |
| 1134 |
|
| 1135 |
C*********************************************************************** |
| 1136 |
C* COMPUTE # OF DAYS IN A 4-YEAR CYCLE * |
| 1137 |
C*********************************************************************** |
| 1138 |
DO I=15,48 |
| 1139 |
MNDY(I) = MNDY(I-12) + 365 |
| 1140 |
ENDDO |
| 1141 |
C*********************************************************************** |
| 1142 |
C* SET CURRENT TIME ELEMENTS * |
| 1143 |
C*********************************************************************** |
| 1144 |
YEAR = NYMD / 10000 |
| 1145 |
MONTH = MOD(NYMD,10000) / 100 |
| 1146 |
DAY = MOD(NYMD,100) |
| 1147 |
SEC = NSECF(NHMS) |
| 1148 |
C*********************************************************************** |
| 1149 |
C* COMPUTE POSITIONS IN CYCLE FOR CURRENT AND BEGINNING TIMES * |
| 1150 |
C*********************************************************************** |
| 1151 |
IDAY = (DAY -1) + MNDY( MONTH +12*MOD(YEAR ,4) ) |
| 1152 |
NSEC = IDAY *NSDAY + SEC |
| 1153 |
|
| 1154 |
testnymd=nymd + mmdd |
| 1155 |
yearnext=testnymd/10000 |
| 1156 |
monthnext=mod(testnymd,10000)/100 |
| 1157 |
daynext = 1 |
| 1158 |
if(monthnext.gt.12) then |
| 1159 |
monthnext = monthnext - 12 |
| 1160 |
yearnext = yearnext + 1 |
| 1161 |
endif |
| 1162 |
testnymd = yearnext*10000 + monthnext*100 + daynext |
| 1163 |
idaynext = MNDY(monthnext+12*mod(yearnext,4) ) |
| 1164 |
daysleft = idaynext - iday |
| 1165 |
if(daysleft.lt.0) daysleft = daysleft + 1461 |
| 1166 |
|
| 1167 |
timeleft = daysleft * nsday - sec |
| 1168 |
|
| 1169 |
RETURN |
| 1170 |
END |
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