nag_close_file (x04adc) closes a file associated with a given file identifier (as returned by a call of nag_open_file (x04acc)).
On entry: the identifier of the file to be closed. This must have been returned by a call of nag_open_file (x04acc). Note that if the filename passed to nag_open_file (x04acc) was blank or NULL, nag_close_file (x04adc) does nothing.
– NagError *Input/Output
The NAG error argument (see Section 3.7 in How to Use the NAG Library and its Documentation).
Error Indicators and Warnings
Cannot close file associated with
Parallelism and Performance
nag_close_file (x04adc) is not threaded in any implementation.