Name

sfft_exit, dfft_exit, cfft_exit, zfft_exit − Final step for fast fourier transform in one dimension

FORMAT

status = {S,D,C,Z}FFT_EXIT (fft_struct)

Arguments

fft_structrecord /dxml$s_fft_structure/ for single-precision real operations
record /dxml$d_fft_structure/ for double-precision real operations
record /dxml$c_fft_structure/ for single-precision complex operations
record /dxml$z_fft_structure/ for double-precision complex operations
This argument must be included but it is not necessary to modify it in any way. It refers to the data structure that was specified by the initialization step. See <REFERENCE>(fft_struct_sec) for more information on the data structure.

Description

The _FFT_EXIT functions remove the internal data structures created in the _FFT_INIT functions.  These functions are the final step in a three-step procedure. They release the virtual memory that was allocated by the _FFT_INIT functions. 

Return Values

0DXML$_SUCCESS()

12DXML$_INS_RES()