/usr/lib/x86_64-linux-gnu/fis-gtm/V6.3-000A_x86_64/_h.m is in fis-gtm-6.3-000a 6.3-000A-1.
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; ;
; Copyright 1987, 2003 Sanchez Computer Associates, Inc. ;
; ;
; This source code contains the intellectual property ;
; of its copyright holder(s), and is made available ;
; under a license. If you do not know the terms of ;
; the license, please stop and do not read further. ;
; ;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
%H ;GT.M %H utility - date and time conversions to and from $H format
;invoke with %DT in $H day format at %CDS to set %DAT mm/dd/yyyy
;invoke with %TM in $H time format at %CTS to set %TIM hh:mm:ss
;invoke with %DT in mm/dd/yy[yy] format at %CDN to set %DAT to $H form
;invoke with %TM in hh:mm:ss format at %CTN to set %TIM to $H format
;the labels without the % are corresponding functions
q
%CDS S %DAT=$$CDS(%DT)
q
CDS(dt)
i dt'<0,dt<94658 q +$zd(dt,"MM")_"/"_+$zd(dt,"DD")_$zd(dt,"/YEAR")
q ""
;
%CTS s %TIM=$$CTS(%TM)
q
CTS(tm)
i tm'<0,tm<86400 q $zd(","_tm,"24:60:SS")
q ""
;
%CDN s %DAT=$$CDN(%DT)
q
CDN(dt)
n cc,dat,dd,mm,yy,dh,zd
s mm=+dt,dd=$p(dt,"/",2),yy=$p(dt,"/",3),dat=""
i mm<1 q ""
i mm>13 q ""
i dd<1 q ""
s zd=$ZDATEFORM
i $l(yy)<3 d
. s dh=$H
. s yy=yy+(100*$S('zd:19,(zd>1840)&($L(zd)=4):($E(zd,1,2)+$S($E(zd,3,4)'>yy:0,1:1)),1:$E($ZDATE(dh,"YEAR"),1,2)))
; 20th rolling current century
i dd>$s(+mm'=2:$e(303232332323,mm)+28,yy#4:28,yy#100:29,yy#400:28,1:29) q ""
s dat=yy-1841,mm=mm-1,cc=1
i dat<0 s dd=dd-1,cc=-1
s dat=dat\4*1461+(dat#4-$s(dat'<0:0,1:4)*365)+(mm*30)+$e(10112234455,mm)+dd-(yy-1800\100-(yy-1600\400))
i yy#4,mm>1 s dat=dat-cc
i yy#100=0,mm<2,yy#400 s dat=dat+cc
q dat
;
%CTN s %TIM=$$CTN(%TM)
q
CTN(tm)
n h,m,s
s h=+tm,m=$p(tm,":",2),s=$p(tm,":",3)
i h'<0,h<24,m'<0,m<60,s'<0,s<60 q h*60+m*60+s
q ""
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