85 lines
3.1 KiB
C
85 lines
3.1 KiB
C
/*
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* Copyright (C) 2002-2007 Akira Nukada. All rights reserved.
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* Copyright (C) 2002-2007 The SSI Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE SSI PROJECT ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE SSI PROJECT BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _FFTSS_H
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#define _FFTSS_H
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#define FFTSS_VERSION 20071013
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typedef void *fftss_plan;
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typedef double fftss_complex[2];
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#define FFTSS_FORWARD -1
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#define FFTSS_BACKWARD 1
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#define FFTSS_MEASURE 0
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#define FFTSS_DESTROY_INPUT (1<<0)
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#define FFTSS_UNALIGNED (1<<1)
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#define FFTSS_CONSERVE_MEMORY (1<<2)
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#define FFTSS_EXHAUSTIVE (1<<3)
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#define FFTSS_PRESERVE_INPUT (1<<4)
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#define FFTSS_PATIENT (1<<5)
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#define FFTSS_ESTIMATE (1<<6)
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#define FFTSS_NO_SIMD (1<<17)
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#define FFTSS_VERBOSE (1<<20)
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#define FFTSS_INOUT (1<<21)
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern void *fftss_malloc(long);
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extern void fftss_free(void *);
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extern fftss_plan fftss_plan_dft_1d(long, double *, double *, long, long);
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extern fftss_plan fftss_plan_dft_2d(long, long, long,
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double *, double *, long, long);
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extern fftss_plan fftss_plan_dft_3d(long, long, long, long, long,
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double *, double *, long, long);
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extern void fftss_destroy_plan(fftss_plan);
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extern void fftss_set(fftss_plan, double *, double *);
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extern void fftss_execute(fftss_plan);
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extern void fftss_execute_dft(fftss_plan, double *, double *);
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extern double fftss_get_wtime(void);
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extern int fftss_init_threads(void);
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extern void fftss_cleanup_threads(void);
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extern void fftss_plan_with_nthreads(int);
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extern int fftss_test_dft_1d(long, double *, double *, long, long);
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#ifdef __cplusplus
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}
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#endif
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#endif
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