;+
; Contains the t97_aj function
;
; :Author:
; Baptiste Cecconi
;
; :History:
; 2004/12/03: Created
;
; 2004/12/03: Last Edit
;-
;
;+
; date conversion T1997.0 -> AAAAJJJ
; T1997.0 -> YYYYDDD
;
; :Returns:
; AAAAJJJ or YYYYDDD
;
; :Examples:
; aj = T97_AJ(t97)
; yd = T97_AJ(t97)
;
; :Params:
; t97: in, required, type=double/dblarr
; T1997.0
;-
Function T97_AJ, t97
aa = dindgen(61)+1997.
deb= double([0,reform(rebin(reform([365,365,365,366],4,1),4,15),60)])
for i=1,60 do deb(i)=deb(i)+deb(i-1)
aj=double(t97)
for i=0l, n_elements(t97)-1 do begin
j=t97(i)-deb
test=where(j ge 1.0)
aj(i)=aa(test(n_elements(test)-1))*1000.d0+j(test(n_elements(test)-1))
endfor
return, aj
end