/*
* Copyright (C) 2002-2007 Akira Nukada. All rights reserved.
* Copyright (C) 2002-2007 The SSI Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE SSI PROJECT ``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 SSI PROJECT 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.
*
*/
#ifndef _FFTSS_H
#define _FFTSS_H
#define FFTSS_VERSION 20071013
typedef void *fftss_plan;
typedef double fftss_complex[2];
#define FFTSS_FORWARD -1
#define FFTSS_BACKWARD 1
#define FFTSS_MEASURE 0
#define FFTSS_DESTROY_INPUT (1<<0)
#define FFTSS_UNALIGNED (1<<1)
#define FFTSS_CONSERVE_MEMORY (1<<2)
#define FFTSS_EXHAUSTIVE (1<<3)
#define FFTSS_PRESERVE_INPUT (1<<4)
#define FFTSS_PATIENT (1<<5)
#define FFTSS_ESTIMATE (1<<6)
#define FFTSS_NO_SIMD (1<<17)
#define FFTSS_VERBOSE (1<<20)
#define FFTSS_INOUT (1<<21)
#ifdef __cplusplus
extern "C" {
#endif
extern void *fftss_malloc(long);
extern void fftss_free(void *);
extern fftss_plan fftss_plan_dft_1d(long, double *, double *, long, long);
extern fftss_plan fftss_plan_dft_2d(long, long, long,
double *, double *, long, long);
extern fftss_plan fftss_plan_dft_3d(long, long, long, long, long,
double *, double *, long, long);
extern void fftss_destroy_plan(fftss_plan);
extern void fftss_set(fftss_plan, double *, double *);
extern void fftss_execute(fftss_plan);
extern void fftss_execute_dft(fftss_plan, double *, double *);
extern double fftss_get_wtime(void);
extern int fftss_init_threads(void);
extern void fftss_cleanup_threads(void);
extern void fftss_plan_with_nthreads(int);
extern int fftss_test_dft_1d(long, double *, double *, long, long);
#ifdef __cplusplus
}
#endif
#endif