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// Copyright (C) 2022 - 2023 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, 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
// AUTHORS OR COPYRIGHT HOLDERS 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.
#include <boost/scope_exit.hpp>
#include <gtest/gtest.h>
#include <math.h>
#include <stdexcept>
#include <utility>
#include <vector>
#include "rocfft_accuracy_test.h"
#include "../../shared/gpubuf.h"
#include "fftw_transform.h"
#include "rocfft/rocfft.h"
#include "rocfft_against_fftw.h"
void fft_vs_reference(rocfft_params& params, bool round_trip)
{
switch(params.precision)
{
case fft_precision_half:
fft_vs_reference_impl<_Float16, rocfft_params>(params, round_trip);
break;
case fft_precision_single:
fft_vs_reference_impl<float, rocfft_params>(params, round_trip);
break;
case fft_precision_double:
fft_vs_reference_impl<double, rocfft_params>(params, round_trip);
break;
}
}
// Test for comparison between FFTW and rocFFT.
TEST_P(accuracy_test, vs_fftw)
{
rocfft_params params(GetParam());
params.validate();
// Test that the tokenization works as expected.
auto token = params.token();
fft_params tokentest;
tokentest.from_token(token);
auto token1 = tokentest.token();
EXPECT_EQ(token, token1);
if(!params.valid(verbose))
{
if(verbose)
{
std::cout << "Invalid parameters, skip this test." << std::endl;
}
GTEST_SKIP();
}
// only do round trip for non-field FFTs
bool round_trip = params.ifields.empty() && params.ofields.empty();
fft_vs_reference(params, round_trip);
SUCCEED();
}
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