config_prelude

用于FFT,来自MIT的源码

/* config.c -- this file contains all the codelets the system knows about */

/* $Id: config_prelude 1.1 Tue, 02 Nov 1999 17:15:02 +0100 athena $ */

#include <fftw-int.h>

/* the signature is the same as the size, for now */
#define NOTW_CODELET(x) \
	 &fftw_no_twiddle_##x##_desc
#define NOTWI_CODELET(x) \
	 &fftwi_no_twiddle_##x##_desc

#define TWIDDLE_CODELET(x) \
	 &fftw_twiddle_##x##_desc
                          
#define TWIDDLEI_CODELET(x) \
	 &fftwi_twiddle_##x##_desc

/* automatically-generated list of codelets */