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|
*
* efstrings.F
*
*
* Returns A testing additional string capabilities
*
* In this subroutine we provide information about
* the function. The user configurable information
* consists of the following:
*
* descr Text description of the function
*
* num_args Required number of arguments
*
* axis_inheritance Type of axis for the result
* ( CUSTOM, IMPLIED_BY_ARGS, NORMAL, efstrings )
* CUSTOM - user defined axis
* IMPLIED_BY_ARGS - same axis as the incoming argument
* NORMAL - the result is normal to this axis
* ABSTRACT - an axis which only has index values
*
* piecemeal_ok For memory optimization:
* axes where calculation may be performed piecemeal
* ( YES, NO )
SUBROUTINE efstrings_init(id)
INCLUDE 'ferret_cmn/EF_Util.cmn'
INTEGER id, arg
* **********************************************************************
* USER CONFIGURABLE PORTION |
* |
* V
CALL ef_set_desc(id,'Demo Function: tests string utilities' )
CALL ef_set_num_args(id, 1)
CALL ef_set_axis_inheritance(id, IMPLIED_BY_ARGS,
. IMPLIED_BY_ARGS, IMPLIED_BY_ARGS, IMPLIED_BY_ARGS)
CALL ef_set_result_type(id, STRING_RETURN)
CALL ef_set_num_work_arrays(id, 1)
arg = 1
CALL ef_set_axis_influence(id, arg, YES, YES, YES, YES)
CALL ef_set_arg_type (id, arg, STRING_ARG)
* ^
* |
* USER CONFIGURABLE PORTION |
* **********************************************************************
RETURN
END
*
* In this subroutine we request an amount of storage to be supplied
* by Ferret and passed as an additional argument.
*
SUBROUTINE efstrings_work_size(id)
INCLUDE 'ferret_cmn/EF_Util.cmn'
INCLUDE 'ferret_cmn/EF_mem_subsc.cmn'
INTEGER id
* **********************************************************************
* USER CONFIGURABLE PORTION |
* |
* V
*
* Set the work array X/Y/Z/T dimensions
*
* ef_set_work_array_dims(id,array #,xlo,ylo,zlo,tlo,xhi,yhi,zhi,thi)
*
INTEGER iarg, ns
INTEGER arg_lo_ss(4,1:EF_MAX_ARGS), arg_hi_ss(4,1:EF_MAX_ARGS),
. arg_incr(4,1:EF_MAX_ARGS)
CALL ef_get_arg_subscripts(id, arg_lo_ss, arg_hi_ss, arg_incr)
iarg = 1
ns = arg_hi_ss(T_AXIS,ARG1) - arg_lo_ss(T_AXIS,ARG1) + 1
CALL ef_set_work_array_dims(id, iarg, 1,1,1,1, 1,1,1,2*ns)
iarg = 2
CALL ef_set_work_array_dims(id, iarg, 1,1,1,1, 1,1,1,20*ns)
* ^
* |
* USER CONFIGURABLE PORTION |
* **********************************************************************
RETURN
END
* In this subroutine we compute the result
*
SUBROUTINE efstrings_compute(id, arg_1, result, tax)
INCLUDE 'ferret_cmn/EF_Util.cmn'
INCLUDE 'ferret_cmn/EF_mem_subsc.cmn'
INTEGER id
* Single precision Ferret: string arg and result need to be twice the length.
INTEGER strdf
#ifdef double_p
PARAMETER (strdf = 1)
#else
PARAMETER (strdf = 2)
#endif
REAL bad_flag(EF_MAX_ARGS), bad_flag_result
REAL arg_1(strdf,mem1lox:mem1hix, mem1loy:mem1hiy,
. mem1loz:mem1hiz, mem1lot:mem1hit)
REAL result(strdf,memreslox:memreshix, memresloy:memreshiy,
. memresloz:memreshiz, memreslot:memreshit)
REAL*8 tax(wrk1lox:wrk1hix, wrk1loy:wrk1hiy,
. wrk1loz:wrk1hiz, wrk1lot:wrk1hit/2)
* After initialization, the 'res_' arrays contain indexing information
* for the result axes. The 'arg_' arrays will contain the indexing
* information for each variable's axes.
INTEGER res_lo_ss(4), res_hi_ss(4), res_incr(4)
INTEGER arg_lo_ss(4,EF_MAX_ARGS), arg_hi_ss(4,EF_MAX_ARGS),
. arg_incr(4,EF_MAX_ARGS)
* **********************************************************************
* USER CONFIGURABLE PORTION |
* |
* V
INTEGER i, j, k, l
INTEGER i1, j1, k1, l1
INTEGER rtype, iarg, slen, prec
CHARACTER*32 textstring, datestring
CHARACTER*3 short
CALL ef_get_res_subscripts(id, res_lo_ss, res_hi_ss, res_incr)
CALL ef_get_result_type(id, rtype)
CALL ef_get_arg_subscripts(id, arg_lo_ss, arg_hi_ss, arg_incr)
CALL ef_get_bad_flags(id, bad_flag, bad_flag_result)
CALL ef_get_coordinates (id, ARG1, T_AXIS,
. arg_lo_ss(T_AXIS, ARG1), arg_hi_ss(T_AXIS, ARG1), tax)
* 'dd-mon-yyyy hh:mm:ss' date format
prec = 6
i1 = arg_lo_ss(X_AXIS,ARG1)
DO 400 i=res_lo_ss(X_AXIS), res_hi_ss(X_AXIS)
j1 = arg_lo_ss(Y_AXIS,ARG1)
DO 300 j=res_lo_ss(Y_AXIS), res_hi_ss(Y_AXIS)
k1 = arg_lo_ss(Z_AXIS,ARG1)
DO 200 k=res_lo_ss(Z_AXIS), res_hi_ss(Z_AXIS)
l1 = arg_lo_ss(T_AXIS,ARG1)
DO 100 l=res_lo_ss(T_AXIS), res_hi_ss(T_AXIS)
C get the string and its length
CALL EF_GET_STRING_ARG_ELEMENT (id, ARG1, arg_1,
. i1,j1,k1,l1, slen, textstring)
C get just the length
CALL EF_GET_STRING_ARG_ELEMENT_LEN(id, ARG1, arg_1,
. i1,j1,k1,l1, slen)
C What if the string buffer were declared too short?
CALL EF_GET_STRING_ARG_ELEMENT (id, ARG1, arg_1,
. i1,j1,k1,l1, slen, short)
C just copy the pointer to the result
IF (l .EQ. res_lo_ss(T_AXIS)) THEN
CALL EF_PUT_STRING_PTR
. (arg_1(1,i1,j1,k1,l1),result(1,i,j,k,l))
C Copy a new string to the result
ELSE IF (l .EQ. res_lo_ss(T_AXIS)+1) THEN
textstring = 'new'
slen = 3
CALL EF_PUT_STRING (textstring, slen, result(1,i,j,k,l))
ELSE
C Compute other string values and put them in the result.
CALL EF_GET_AXIS_DATES (id, ARG1, tax(1,1,1,L1), 1, prec, slen, datestring)
CALL EF_PUT_STRING (datestring, slen, result(1,i,j,k,l))
ENDIF
l1 = l1 + arg_incr(T_AXIS,ARG1)
100 CONTINUE
k1 = k1 + arg_incr(Z_AXIS,ARG1)
200 CONTINUE
j1 = j1 + arg_incr(Y_AXIS,ARG1)
300 CONTINUE
i1 = i1 + arg_incr(X_AXIS,ARG1)
400 CONTINUE
* ^
* |
* USER CONFIGURABLE PORTION |
* **********************************************************************
RETURN
END
|
