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/*
* tclArithSeries.h --
*
* This file contains the ArithSeries concrete abstract list
* implementation. It implements the inner workings of the lseq command.
*
* Copyright © 2022 Brian S. Griffin.
*
* See the file "license.terms" for information on usage and redistribution of
* this file, and for a DISCLAIMER OF ALL WARRANTIES.
*/
/*
* The structure used for the ArithSeries internal representation.
* Note that the len can in theory be always computed by start,end,step
* but it's faster to cache it inside the internal representation.
*/
typedef struct {
Tcl_Size len;
Tcl_Obj **elements;
int isDouble;
Tcl_WideInt start;
Tcl_WideInt end;
Tcl_WideInt step;
} ArithSeries;
typedef struct {
Tcl_Size len;
Tcl_Obj **elements;
int isDouble;
double start;
double end;
double step;
} ArithSeriesDbl;
MODULE_SCOPE Tcl_Obj * TclArithSeriesObjCopy(Tcl_Interp *interp,
Tcl_Obj *arithSeriesPtr);
MODULE_SCOPE Tcl_Obj *TclArithSeriesObjIndex(Tcl_Interp *, Tcl_Obj *,
Tcl_WideInt index);
MODULE_SCOPE Tcl_Obj * TclArithSeriesObjRange(Tcl_Interp *interp,
Tcl_Obj *arithSeriesPtr, Tcl_Size fromIdx, Tcl_Size toIdx);
MODULE_SCOPE Tcl_Obj * TclArithSeriesObjReverse(Tcl_Interp *interp,
Tcl_Obj *arithSeriesPtr);
MODULE_SCOPE int TclArithSeriesGetElements(Tcl_Interp *interp,
Tcl_Obj *objPtr, Tcl_Size *objcPtr, Tcl_Obj ***objvPtr);
MODULE_SCOPE int TclNewArithSeriesObj(Tcl_Interp *interp,
Tcl_Obj **arithSeriesObj, int useDoubles,
Tcl_Obj *startObj, Tcl_Obj *endObj,
Tcl_Obj *stepObj, Tcl_Obj *lenObj);
/*
* Local Variables:
* mode: c
* c-basic-offset: 4
* fill-column: 78
* End:
*/
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