Texas Instruments TI89 Developer Guide - Page 737
push_mat_to_list
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Appendix A: System Routines - Lists and Matrices 695 push_mat_to_list Declaration: void push_mat_to_list (EStackIndex mat_idx) Category(ies): Lists and Matrices Description: Convert the matrix indexed by mat_idx to a list and push the result on the estack. Inputs: mat_idx - Indexes the input matrix. Outputs: None Assumptions: None Side Effects: May expand expression stack, cause heap compression, or throw an error. Availability: On AMS 2.00 and higher. TI-89 / TI-92 Plus Differences: None See Also: push_list_to_mat Example: This example code segment takes a list indexed by list_index. If list_index indexes a row or column matrix, then push_mat_to_list is used to create a list. In this way, the code that follows can operate on a list or a vector (row or column matrix). EStackIndex list_index; unsigned short nrows, ncols; . . . if (LIST_TAG != ESTACK(list_index)) ER_throw( ER_DATATYPE ); nrows = ncols = 0; if (ESTACK(list_index - 1u) == LIST_TAG) { /* input is a matrix/vector */ nrows = remaining_element_count (list_index - 1u); ncols = remaining_element_count (list_index - 2u); /* see if it is a vector */ if ( (1 == nrows) || (1 == ncols) ) { push_mat_to_list (list_index); list_index = top_estack; } else ER_throw( ER_DATATYPE ); } . . . TI-89 / TI-92 Plus Developer Guide Not for Distribution Beta Version January 26, 2001
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