view Lib/fftw-3.2.1/api/fftw3.h @ 1:e86e9c111b29

Updates stuff that potentially fixes the memory leak and also makes it work on Windows and Linux (Need to test). Still have to fix fftw include for linux in Jucer.

/*
 * Copyright (c) 2003, 2007-8 Matteo Frigo
 * Copyright (c) 2003, 2007-8 Massachusetts Institute of Technology
 *
 * The following statement of license applies *only* to this header file,
 * and *not* to the other files distributed with FFTW or derived therefrom:
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/***************************** NOTE TO USERS *********************************
 *
 *                 THIS IS A HEADER FILE, NOT A MANUAL
 *
 *    If you want to know how to use FFTW, please read the manual,
 *    online at http://www.fftw.org/doc/ and also included with FFTW.
 *    For a quick start, see the manual's tutorial section.
 *
 *   (Reading header files to learn how to use a library is a habit
 *    stemming from code lacking a proper manual.  Arguably, it's a
 *    *bad* habit in most cases, because header files can contain
 *    interfaces that are not part of the public, stable API.)
 *
 ****************************************************************************/

#ifndef FFTW3_H
#define FFTW3_H

#include <stdio.h>

#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */

/* If <complex.h> is included, use the C99 complex type.  Otherwise
   define a type bit-compatible with C99 complex */
#if !defined(FFTW_NO_Complex) && defined(_Complex_I) && defined(complex) && defined(I)
#  define FFTW_DEFINE_COMPLEX(R, C) typedef R _Complex C
#else
#  define FFTW_DEFINE_COMPLEX(R, C) typedef R C[2]
#endif

#define FFTW_CONCAT(prefix, name) prefix ## name
#define FFTW_MANGLE_DOUBLE(name) FFTW_CONCAT(fftw_, name)
#define FFTW_MANGLE_FLOAT(name) FFTW_CONCAT(fftwf_, name)
#define FFTW_MANGLE_LONG_DOUBLE(name) FFTW_CONCAT(fftwl_, name)

/* IMPORTANT: for Windows compilers, you should add a line
        #define FFTW_DLL
   here and in kernel/ifftw.h if you are compiling/using FFTW as a
   DLL, in order to do the proper importing/exporting, or
   alternatively compile with -DFFTW_DLL or the equivalent
   command-line flag.  This is not necessary under MinGW/Cygwin, where
   libtool does the imports/exports automatically. */
#if defined(FFTW_DLL) && (defined(_WIN32) || defined(__WIN32__))
   /* annoying Windows syntax for shared-library declarations */
#  if defined(COMPILING_FFTW) /* defined in api.h when compiling FFTW */
#    define FFTW_EXTERN extern __declspec(dllexport) 
#  else /* user is calling FFTW; import symbol */
#    define FFTW_EXTERN extern __declspec(dllimport) 
#  endif
#else
#  define FFTW_EXTERN extern
#endif

enum fftw_r2r_kind_do_not_use_me {
     FFTW_R2HC=0, FFTW_HC2R=1, FFTW_DHT=2,
     FFTW_REDFT00=3, FFTW_REDFT01=4, FFTW_REDFT10=5, FFTW_REDFT11=6,
     FFTW_RODFT00=7, FFTW_RODFT01=8, FFTW_RODFT10=9, FFTW_RODFT11=10
};

struct fftw_iodim_do_not_use_me {
     int n;                     /* dimension size */
     int is;			/* input stride */
     int os;			/* output stride */
};

#include <stddef.h> /* for ptrdiff_t */
struct fftw_iodim64_do_not_use_me {
     ptrdiff_t n;                     /* dimension size */
     ptrdiff_t is;			/* input stride */
     ptrdiff_t os;			/* output stride */
};

/*
  huge second-order macro that defines prototypes for all API
  functions.  We expand this macro for each supported precision
 
  X: name-mangling macro
  R: real data type
  C: complex data type
*/

#define FFTW_DEFINE_API(X, R, C)					   \
									   \
FFTW_DEFINE_COMPLEX(R, C);						   \
									   \
typedef struct X(plan_s) *X(plan);					   \
									   \
typedef struct fftw_iodim_do_not_use_me X(iodim);			   \
typedef struct fftw_iodim64_do_not_use_me X(iodim64);			   \
									   \
typedef enum fftw_r2r_kind_do_not_use_me X(r2r_kind);			   \
									   \
FFTW_EXTERN void X(execute)(const X(plan) p);				   \
									   \
FFTW_EXTERN X(plan) X(plan_dft)(int rank, const int *n,			   \
		    C *in, C *out, int sign, unsigned flags);		   \
									   \
FFTW_EXTERN X(plan) X(plan_dft_1d)(int n, C *in, C *out, int sign,	   \
		       unsigned flags);					   \
FFTW_EXTERN X(plan) X(plan_dft_2d)(int n0, int n1,			   \
		       C *in, C *out, int sign, unsigned flags);	   \
FFTW_EXTERN X(plan) X(plan_dft_3d)(int n0, int n1, int n2,		   \
		       C *in, C *out, int sign, unsigned flags);	   \
									   \
FFTW_EXTERN X(plan) X(plan_many_dft)(int rank, const int *n,		   \
                         int howmany,					   \
                         C *in, const int *inembed,			   \
                         int istride, int idist,			   \
                         C *out, const int *onembed,			   \
                         int ostride, int odist,			   \
                         int sign, unsigned flags);			   \
									   \
FFTW_EXTERN X(plan) X(plan_guru_dft)(int rank, const X(iodim) *dims,	   \
			 int howmany_rank,				   \
			 const X(iodim) *howmany_dims,			   \
			 C *in, C *out,					   \
			 int sign, unsigned flags);			   \
FFTW_EXTERN X(plan) X(plan_guru_split_dft)(int rank, const X(iodim) *dims, \
			 int howmany_rank,				   \
			 const X(iodim) *howmany_dims,			   \
			 R *ri, R *ii, R *ro, R *io,			   \
			 unsigned flags);				   \
									   \
FFTW_EXTERN X(plan) X(plan_guru64_dft)(int rank,			   \
                         const X(iodim64) *dims,			   \
			 int howmany_rank,				   \
			 const X(iodim64) *howmany_dims,		   \
			 C *in, C *out,					   \
			 int sign, unsigned flags);			   \
FFTW_EXTERN X(plan) X(plan_guru64_split_dft)(int rank,			   \
                         const X(iodim64) *dims,			   \
			 int howmany_rank,				   \
			 const X(iodim64) *howmany_dims,		   \
			 R *ri, R *ii, R *ro, R *io,			   \
			 unsigned flags);				   \
									   \
FFTW_EXTERN void X(execute_dft)(const X(plan) p, C *in, C *out);	   \
FFTW_EXTERN void X(execute_split_dft)(const X(plan) p, R *ri, R *ii,	   \
                                      R *ro, R *io);			   \
									   \
FFTW_EXTERN X(plan) X(plan_many_dft_r2c)(int rank, const int *n,	   \
                             int howmany,				   \
                             R *in, const int *inembed,			   \
                             int istride, int idist,			   \
                             C *out, const int *onembed,		   \
                             int ostride, int odist,			   \
                             unsigned flags);				   \
									   \
FFTW_EXTERN X(plan) X(plan_dft_r2c)(int rank, const int *n,		   \
                        R *in, C *out, unsigned flags);			   \
									   \
FFTW_EXTERN X(plan) X(plan_dft_r2c_1d)(int n,R *in,C *out,unsigned flags); \
FFTW_EXTERN X(plan) X(plan_dft_r2c_2d)(int n0, int n1,			   \
			   R *in, C *out, unsigned flags);		   \
FFTW_EXTERN X(plan) X(plan_dft_r2c_3d)(int n0, int n1,			   \
			   int n2,					   \
			   R *in, C *out, unsigned flags);		   \
									   \
									   \
FFTW_EXTERN X(plan) X(plan_many_dft_c2r)(int rank, const int *n,	   \
			     int howmany,				   \
			     C *in, const int *inembed,			   \
			     int istride, int idist,			   \
			     R *out, const int *onembed,		   \
			     int ostride, int odist,			   \
			     unsigned flags);				   \
									   \
FFTW_EXTERN X(plan) X(plan_dft_c2r)(int rank, const int *n,		   \
                        C *in, R *out, unsigned flags);			   \
									   \
FFTW_EXTERN X(plan) X(plan_dft_c2r_1d)(int n,C *in,R *out,unsigned flags); \
FFTW_EXTERN X(plan) X(plan_dft_c2r_2d)(int n0, int n1,			   \
			   C *in, R *out, unsigned flags);		   \
FFTW_EXTERN X(plan) X(plan_dft_c2r_3d)(int n0, int n1,			   \
			   int n2,					   \
			   C *in, R *out, unsigned flags);		   \
									   \
FFTW_EXTERN X(plan) X(plan_guru_dft_r2c)(int rank, const X(iodim) *dims,   \
			     int howmany_rank,				   \
			     const X(iodim) *howmany_dims,		   \
			     R *in, C *out,				   \
			     unsigned flags);				   \
FFTW_EXTERN X(plan) X(plan_guru_dft_c2r)(int rank, const X(iodim) *dims,   \
			     int howmany_rank,				   \
			     const X(iodim) *howmany_dims,		   \
			     C *in, R *out,				   \
			     unsigned flags);				   \
									   \
FFTW_EXTERN X(plan) X(plan_guru_split_dft_r2c)(				   \
                             int rank, const X(iodim) *dims,		   \
			     int howmany_rank,				   \
			     const X(iodim) *howmany_dims,		   \
			     R *in, R *ro, R *io,			   \
			     unsigned flags);				   \
FFTW_EXTERN X(plan) X(plan_guru_split_dft_c2r)(				   \
                             int rank, const X(iodim) *dims,		   \
			     int howmany_rank,				   \
			     const X(iodim) *howmany_dims,		   \
			     R *ri, R *ii, R *out,			   \
			     unsigned flags);				   \
									   \
FFTW_EXTERN X(plan) X(plan_guru64_dft_r2c)(int rank,			   \
                             const X(iodim64) *dims,			   \
			     int howmany_rank,				   \
			     const X(iodim64) *howmany_dims,		   \
			     R *in, C *out,				   \
			     unsigned flags);				   \
FFTW_EXTERN X(plan) X(plan_guru64_dft_c2r)(int rank,			   \
                             const X(iodim64) *dims,			   \
			     int howmany_rank,				   \
			     const X(iodim64) *howmany_dims,		   \
			     C *in, R *out,				   \
			     unsigned flags);				   \
									   \
FFTW_EXTERN X(plan) X(plan_guru64_split_dft_r2c)(			   \
                             int rank, const X(iodim64) *dims,		   \
			     int howmany_rank,				   \
			     const X(iodim64) *howmany_dims,		   \
			     R *in, R *ro, R *io,			   \
			     unsigned flags);				   \
FFTW_EXTERN X(plan) X(plan_guru64_split_dft_c2r)(			   \
                             int rank, const X(iodim64) *dims,		   \
			     int howmany_rank,				   \
			     const X(iodim64) *howmany_dims,		   \
			     R *ri, R *ii, R *out,			   \
			     unsigned flags);				   \
									   \
FFTW_EXTERN void X(execute_dft_r2c)(const X(plan) p, R *in, C *out);	   \
FFTW_EXTERN void X(execute_dft_c2r)(const X(plan) p, C *in, R *out);	   \
									   \
FFTW_EXTERN void X(execute_split_dft_r2c)(const X(plan) p,		   \
                                          R *in, R *ro, R *io);		   \
FFTW_EXTERN void X(execute_split_dft_c2r)(const X(plan) p,		   \
                                          R *ri, R *ii, R *out);	   \
									   \
FFTW_EXTERN X(plan) X(plan_many_r2r)(int rank, const int *n,		   \
                         int howmany,					   \
                         R *in, const int *inembed,			   \
                         int istride, int idist,			   \
                         R *out, const int *onembed,			   \
                         int ostride, int odist,			   \
                         const X(r2r_kind) *kind, unsigned flags);	   \
									   \
FFTW_EXTERN X(plan) X(plan_r2r)(int rank, const int *n, R *in, R *out,	   \
                    const X(r2r_kind) *kind, unsigned flags);		   \
									   \
FFTW_EXTERN X(plan) X(plan_r2r_1d)(int n, R *in, R *out,		   \
                       X(r2r_kind) kind, unsigned flags);		   \
FFTW_EXTERN X(plan) X(plan_r2r_2d)(int n0, int n1, R *in, R *out,	   \
                       X(r2r_kind) kind0, X(r2r_kind) kind1,		   \
                       unsigned flags);					   \
FFTW_EXTERN X(plan) X(plan_r2r_3d)(int n0, int n1, int n2,		   \
                       R *in, R *out, X(r2r_kind) kind0,		   \
                       X(r2r_kind) kind1, X(r2r_kind) kind2,		   \
                       unsigned flags);					   \
									   \
FFTW_EXTERN X(plan) X(plan_guru_r2r)(int rank, const X(iodim) *dims,	   \
                         int howmany_rank,				   \
                         const X(iodim) *howmany_dims,			   \
                         R *in, R *out,					   \
                         const X(r2r_kind) *kind, unsigned flags);	   \
									   \
FFTW_EXTERN X(plan) X(plan_guru64_r2r)(int rank, const X(iodim64) *dims,   \
                         int howmany_rank,				   \
                         const X(iodim64) *howmany_dims,		   \
                         R *in, R *out,					   \
                         const X(r2r_kind) *kind, unsigned flags);	   \
									   \
FFTW_EXTERN void X(execute_r2r)(const X(plan) p, R *in, R *out);	   \
									   \
FFTW_EXTERN void X(destroy_plan)(X(plan) p);				   \
FFTW_EXTERN void X(forget_wisdom)(void);				   \
FFTW_EXTERN void X(cleanup)(void);					   \
									   \
FFTW_EXTERN void X(set_timelimit)(double);				   \
									   \
FFTW_EXTERN void X(plan_with_nthreads)(int nthreads);			   \
FFTW_EXTERN int X(init_threads)(void);					   \
FFTW_EXTERN void X(cleanup_threads)(void);				   \
									   \
FFTW_EXTERN void X(export_wisdom_to_file)(FILE *output_file);		   \
FFTW_EXTERN char *X(export_wisdom_to_string)(void);			   \
FFTW_EXTERN void X(export_wisdom)(void (*write_char)(char c, void *),	   \
                                  void *data);				   \
FFTW_EXTERN int X(import_system_wisdom)(void);				   \
FFTW_EXTERN int X(import_wisdom_from_file)(FILE *input_file);		   \
FFTW_EXTERN int X(import_wisdom_from_string)(const char *input_string);	   \
FFTW_EXTERN int X(import_wisdom)(int (*read_char)(void *), void *data);	   \
									   \
FFTW_EXTERN void X(fprint_plan)(const X(plan) p, FILE *output_file);	   \
FFTW_EXTERN void X(print_plan)(const X(plan) p);			   \
									   \
FFTW_EXTERN void *X(malloc)(size_t n);					   \
FFTW_EXTERN void X(free)(void *p);					   \
									   \
FFTW_EXTERN void X(flops)(const X(plan) p,				   \
                          double *add, double *mul, double *fmas);	   \
FFTW_EXTERN double X(estimate_cost)(const X(plan) p);			   \
									   \
FFTW_EXTERN const char X(version)[];					   \
FFTW_EXTERN const char X(cc)[];						   \
FFTW_EXTERN const char X(codelet_optim)[];


/* end of FFTW_DEFINE_API macro */

FFTW_DEFINE_API(FFTW_MANGLE_DOUBLE, double, fftw_complex)
FFTW_DEFINE_API(FFTW_MANGLE_FLOAT, float, fftwf_complex)
FFTW_DEFINE_API(FFTW_MANGLE_LONG_DOUBLE, long double, fftwl_complex)

#define FFTW_FORWARD (-1)
#define FFTW_BACKWARD (+1)

#define FFTW_NO_TIMELIMIT (-1.0)

/* documented flags */
#define FFTW_MEASURE (0U)
#define FFTW_DESTROY_INPUT (1U << 0)
#define FFTW_UNALIGNED (1U << 1)
#define FFTW_CONSERVE_MEMORY (1U << 2)
#define FFTW_EXHAUSTIVE (1U << 3) /* NO_EXHAUSTIVE is default */
#define FFTW_PRESERVE_INPUT (1U << 4) /* cancels FFTW_DESTROY_INPUT */
#define FFTW_PATIENT (1U << 5) /* IMPATIENT is default */
#define FFTW_ESTIMATE (1U << 6)

/* undocumented beyond-guru flags */
#define FFTW_ESTIMATE_PATIENT (1U << 7)
#define FFTW_BELIEVE_PCOST (1U << 8)
#define FFTW_NO_DFT_R2HC (1U << 9)
#define FFTW_NO_NONTHREADED (1U << 10)
#define FFTW_NO_BUFFERING (1U << 11)
#define FFTW_NO_INDIRECT_OP (1U << 12)
#define FFTW_ALLOW_LARGE_GENERIC (1U << 13) /* NO_LARGE_GENERIC is default */
#define FFTW_NO_RANK_SPLITS (1U << 14)
#define FFTW_NO_VRANK_SPLITS (1U << 15)
#define FFTW_NO_VRECURSE (1U << 16)
#define FFTW_NO_SIMD (1U << 17)
#define FFTW_NO_SLOW (1U << 18)
#define FFTW_NO_FIXED_RADIX_LARGE_N (1U << 19)
#define FFTW_ALLOW_PRUNING (1U << 20)
#define FFTW_WISDOM_ONLY (1U << 21)

#ifdef __cplusplus
}  /* extern "C" */
#endif /* __cplusplus */

#endif /* FFTW3_H */