libxlsxwriter
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array_formula.c
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Example of writing array formulas to a worksheet.

array_formula.png
/*
* Example of how to use the libxlsxwriter library to write simple
* array formulas.
*
* Copyright 2014-2017, John McNamara, jmcnamara@cpan.org
*
*/
#include "xlsxwriter.h"
int main() {
/* Create a new workbook and add a worksheet. */
lxw_workbook *workbook = workbook_new("array_formula.xlsx");
lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
/* Write some data for the formulas. */
worksheet_write_number(worksheet, 0, 1, 500, NULL);
worksheet_write_number(worksheet, 1, 1, 10, NULL);
worksheet_write_number(worksheet, 4, 1, 1, NULL);
worksheet_write_number(worksheet, 5, 1, 2, NULL);
worksheet_write_number(worksheet, 6, 1, 3, NULL);
worksheet_write_number(worksheet, 0, 2, 300, NULL);
worksheet_write_number(worksheet, 1, 2, 15, NULL);
worksheet_write_number(worksheet, 4, 2, 20234, NULL);
worksheet_write_number(worksheet, 5, 2, 21003, NULL);
worksheet_write_number(worksheet, 6, 2, 10000, NULL);
/* Write an array formula that returns a single value. */
worksheet_write_array_formula(worksheet, 0, 0, 0, 0, "{=SUM(B1:C1*B2:C2)}", NULL);
/* Similar to above but using the RANGE macro. */
worksheet_write_array_formula(worksheet, RANGE("A2:A2"), "{=SUM(B1:C1*B2:C2)}", NULL);
/* Write an array formula that returns a range of values. */
worksheet_write_array_formula(worksheet, 4, 0, 6, 0, "{=TREND(C5:C7,B5:B7)}", NULL);
workbook_close(workbook);
return 0;
}