Delete_Between - Texas Instruments TI-89 Developer's Manual

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delete_between

Declaration: void delete_between (EStackIndex low , EStackIndex high )
Category(ies): EStack Utilities
Description: Deletes the quantums occupying from index low + 1 through high by
copying down the quantums from high + 1 through global top_estack,
which is then reduced by the number of deleted quantums.
low, high —
Inputs:
Outputs: None
Assumptions: bottom_estack <= low and low <= high and high <= top_estack.
Side Effects: top_estack is reduced by the number of deleted quantums.
Availability: On AMS 1.05 and higher.
TI-89 / TI-92 Plus
Differences: None
See Also: deleted_between, delete_expression, deleted_expression,
move_between_to_top, moved_between_to_top
Example:
void replace_top2_with_sum (EStackIndex i)
/* i indexes next-to-top expression.
Replaces the top two expressions with their sum.
*/
{ Access_AMS_Global_Variables;
EStackIndex j = top_estack;
push_sum (i, j);
delete_between (next_expression_index (i), j);
}
TI-89 / TI-92 Plus Developer Guide
Appendix A: System Routines — EStack Utilities
Indexes into the estack.
Not for Distribution Beta Version January 26, 2001