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/* ------------------------------------------------------------------
libofa -- the Open Fingerprint Architecture library
Copyright (C) 2006 MusicIP Corporation
All rights reserved.
-------------------------------------------------------------------*/
// FILE: "fftlibw3_op.cpp"
// MODULE: Wrapper for MIT FFTW ver 3.0 library calls
// AUTHOR: Frode Holm
// DATE CREATED: 1/12/06
#ifdef WIN32
#include "../config_win32.h"
#else
#include "../config.h"
#endif
#include "fftlib_op.h"
void
FFTLib_op::Initialize(int N, bool optimize)
{
if (optimize)
Flags = FFTW_MEASURE;
else
Flags = FFTW_ESTIMATE;
}
void
FFTLib_op::Destroy()
{
fftw_destroy_plan(PlanF);
}
void
FFTLib_op::SetSize(int N, bool optimize, double *in, double *out)
{
if (optimize)
Flags = FFTW_MEASURE;
else
Flags = FFTW_ESTIMATE;
if (PlanF != 0)
{
fftw_destroy_plan(PlanF);
PlanF = 0;
}
PlanF = fftw_plan_r2r_1d(N, in, out, FFTW_R2HC, Flags);
}
void
FFTLib_op::ComputeFrame(int N, double *in, double *out)
{
fftw_execute(PlanF);
}
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