mirror of
https://github.com/jmcnamara/libxlsxwriter
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36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
/*
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* An example of using the new Excel LAMBDA() function with the libxlsxwriter
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* library.
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*
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* Copyright 2014-2025, John McNamara, jmcnamara@cpan.org
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*
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*/
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#include "xlsxwriter.h"
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int main() {
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lxw_workbook *workbook = workbook_new("lambda.xlsx");
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lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
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/* Note that the formula name is prefixed with "_xlfn." and that the
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* lambda function parameters are prefixed with "_xlpm.". These prefixes
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* won't show up in Excel.
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*/
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worksheet_write_dynamic_formula(worksheet, CELL("A1"),
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"=_xlfn.LAMBDA(_xlpm.temp, (5/9) * (_xlpm.temp-32))(32)",
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NULL);
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/* Create the lambda function as a defined name and write it as a dynamic formula. */
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workbook_define_name(workbook,
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"ToCelsius",
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"=_xlfn.LAMBDA(_xlpm.temp, (5/9) * (_xlpm.temp-32))");
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worksheet_write_dynamic_formula(worksheet, CELL("A2"), "=ToCelsius(212)", NULL);
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workbook_close(workbook);
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return 0;
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}
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