34 lines
921 B
C
34 lines
921 B
C
/*
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* This file is part of pocketfft.
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* Licensed under a 3-clause BSD style license - see LICENSE.md
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*/
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/*! \file pocketfft.h
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* Public interface of the pocketfft library
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*
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* Copyright (C) 2008-2019 Max-Planck-Society
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* \author Martin Reinecke
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*/
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#ifndef POCKETFFT_H
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#define POCKETFFT_H
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#include <stdlib.h>
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struct cfft_plan_i;
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typedef struct cfft_plan_i * cfft_plan;
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cfft_plan make_cfft_plan (size_t length);
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void destroy_cfft_plan (cfft_plan plan);
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int cfft_backward(cfft_plan plan, double c[], double fct);
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int cfft_forward(cfft_plan plan, double c[], double fct);
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size_t cfft_length(cfft_plan plan);
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struct rfft_plan_i;
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typedef struct rfft_plan_i * rfft_plan;
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rfft_plan make_rfft_plan (size_t length);
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void destroy_rfft_plan (rfft_plan plan);
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int rfft_backward(rfft_plan plan, double c[], double fct);
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int rfft_forward(rfft_plan plan, double c[], double fct);
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size_t rfft_length(rfft_plan plan);
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#endif
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