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#ifndef FFTW_H
#define FFTW_H
/*
* Copyright (c) 1997 Massachusetts Institute of Technology
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to use, copy, modify, and distribute the Software without
* restriction, provided the Software, including any modified copies made
* under this license, is not distributed for a fee, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE MASSACHUSETTS INSTITUTE OF TECHNOLOGY BE LIABLE
* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the Massachusetts
* Institute of Technology shall not be used in advertising or otherwise
* to promote the sale, use or other dealings in this Software without
* prior written authorization from the Massachusetts Institute of
* Technology.
*
*/
/* fftw.h -- system-wide definitions */
#include <stdlib.h>
#include <stdio.h>
/* ----------- */
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#define c_re(c) ((c).re)
#define c_im(c) ((c).im)
typedef enum {
FFTW_FORWARD = -1, FFTW_BACKWARD = 1
} fftw_direction;
/*********************************************
* Success or failure status
*********************************************/
typedef enum {
FFTW_SUCCESS = 0, FFTW_FAILURE = -1
} fftw_status;
enum fftw_node_type {
FFTW_NOTW, FFTW_TWIDDLE, FFTW_GENERIC
};
/* flags for the planner */
#define FFTW_ESTIMATE (0)
#define FFTW_MEASURE (1)
#define FFTW_IN_PLACE (8)
#define FFTW_USE_WISDOM (16)
void fftw_die(char* s);
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* FFTW_H */
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