Appendix A: System Routines — EStack Arithmetic
461
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
add_to_top
Declaration:
void
add_to_top
(EStackIndex
i
)
Category(ies):
EStack Arithmetic
Description:
Replaces the expression on the top of the estack with the
internally-simplified sum of the top plus the expression indexed by
i
. If one
operand is a scalar and the other is a square matrix, the scalar is
distributed only over the diagonal of the matrix.
Inputs:
i
— Index to an internally-simplified algebraic expression, algebraic
comparison, or aggregate thereof.
Outputs:
None
Assumptions:
i
and
top_estack
point to the top tag of internally-simplified algebraic
expressions, algebraic comparisons, or aggregates thereof.
Side Effects:
May cause heap compression or throw an error.
Availability:
On AMS 2.02 and higher.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: push_sum, replace_top2_with_sum, push_difference,
subtract_from_top, replace_top2_with_difference, add1_to_top,
subtract1_from_top, push_arg_plus_1, push_arg_minus_1
Example:
void add1_to_top (void)
/* Add 1 or 1.0 the top expression, depending on global computation_mode. */
{ add_to_top (IS_ARITH_APPROX ? Float1Index : Integer1Index);
}
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