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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Filename: fft_tb.cpp
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// Filename: fft_tb.cpp
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//
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//
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// Project: A Doubletime Pipelined FFT
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// Project: A General Purpose Pipelined FFT Implementation
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//
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//
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// Purpose: A test-bench for the main program, fftmain.v, of the double
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// Purpose: A test-bench for the main program, fftmain.v, of the double
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// clocked FFT. This file may be run autonomously (when
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// clocked FFT. This file may be run autonomously (when
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// fully functional). If so, the last line output will either read
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// fully functional). If so, the last line output will either read
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// "SUCCESS" on success, or some other failure message otherwise.
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// "SUCCESS" on success, or some other failure message otherwise.
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// test fftmain.v
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// test fftmain.v
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//
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//
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// Creator: Dan Gisselquist, Ph.D.
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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// Gisselquist Technology, LLC
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//
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//
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///////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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// Copyright (C) 2015,2018, Gisselquist Technology, LLC
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// Copyright (C) 2015,2018, Gisselquist Technology, LLC
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//
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//
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// This program is free software (firmware): you can redistribute it and/or
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// modify it under the terms of the GNU General Public License as published
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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// for more details.
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//
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//
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// You should have received a copy of the GNU General Public License along
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// You should have received a copy of the GNU General Public License along
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// with this program. (It's in the $(ROOT)/doc directory. Run make with no
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// target there if the PDF file isn't present.) If not, see
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// target there if the PDF file isn't present.) If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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// <http://www.gnu.org/licenses/> for a copy.
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//
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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// http://www.gnu.org/licenses/gpl.html
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//
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//
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//
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//
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///////////////////////////////////////////////////////////////////////////
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////////////////////////////////////////////////////////////////////////////////
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <math.h>
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#include <math.h>
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#include <fftw3.h>
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#include <fftw3.h>
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