179 строки
6.4 KiB
C++
179 строки
6.4 KiB
C++
/*
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* Copyright (c) 2015 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "test/acm_random.h"
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#include "test/util.h"
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#include "test/av1_txfm_test.h"
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#include "av1/common/av1_txfm.h"
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#include "./av1_rtcd.h"
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using libaom_test::ACMRandom;
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using libaom_test::input_base;
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using libaom_test::bd;
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using libaom_test::compute_avg_abs_error;
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using libaom_test::Fwd_Txfm2d_Func;
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using libaom_test::TYPE_TXFM;
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namespace {
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#if CONFIG_AOM_HIGHBITDEPTH
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// tx_type_, tx_size_, max_error_, max_avg_error_
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typedef std::tr1::tuple<TX_TYPE, TX_SIZE, double, double> AV1FwdTxfm2dParam;
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class AV1FwdTxfm2d : public ::testing::TestWithParam<AV1FwdTxfm2dParam> {
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public:
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virtual void SetUp() {
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tx_type_ = GET_PARAM(0);
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tx_size_ = GET_PARAM(1);
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max_error_ = GET_PARAM(2);
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max_avg_error_ = GET_PARAM(3);
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count_ = 500;
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TXFM_2D_FLIP_CFG fwd_txfm_flip_cfg =
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av1_get_fwd_txfm_cfg(tx_type_, tx_size_);
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const TXFM_2D_CFG *fwd_txfm_cfg = fwd_txfm_flip_cfg.cfg;
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int amplify_bit = fwd_txfm_cfg->shift[0] + fwd_txfm_cfg->shift[1] +
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fwd_txfm_cfg->shift[2];
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ud_flip_ = fwd_txfm_flip_cfg.ud_flip;
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lr_flip_ = fwd_txfm_flip_cfg.lr_flip;
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amplify_factor_ =
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amplify_bit >= 0 ? (1 << amplify_bit) : (1.0 / (1 << -amplify_bit));
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fwd_txfm_ = libaom_test::fwd_txfm_func_ls[tx_size_];
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txfm1d_size_ = libaom_test::get_txfm1d_size(tx_size_);
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txfm2d_size_ = txfm1d_size_ * txfm1d_size_;
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get_txfm1d_type(tx_type_, &type0_, &type1_);
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input_ = reinterpret_cast<int16_t *>(
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aom_memalign(16, sizeof(input_[0]) * txfm2d_size_));
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output_ = reinterpret_cast<int32_t *>(
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aom_memalign(16, sizeof(output_[0]) * txfm2d_size_));
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ref_input_ = reinterpret_cast<double *>(
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aom_memalign(16, sizeof(ref_input_[0]) * txfm2d_size_));
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ref_output_ = reinterpret_cast<double *>(
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aom_memalign(16, sizeof(ref_output_[0]) * txfm2d_size_));
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}
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void RunFwdAccuracyCheck() {
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ACMRandom rnd(ACMRandom::DeterministicSeed());
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double avg_abs_error = 0;
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for (int ci = 0; ci < count_; ci++) {
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for (int ni = 0; ni < txfm2d_size_; ++ni) {
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input_[ni] = rnd.Rand16() % input_base;
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ref_input_[ni] = static_cast<double>(input_[ni]);
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output_[ni] = 0;
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ref_output_[ni] = 0;
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}
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fwd_txfm_(input_, output_, txfm1d_size_, tx_type_, bd);
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if (lr_flip_ && ud_flip_)
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libaom_test::fliplrud(ref_input_, txfm1d_size_, txfm1d_size_);
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else if (lr_flip_)
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libaom_test::fliplr(ref_input_, txfm1d_size_, txfm1d_size_);
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else if (ud_flip_)
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libaom_test::flipud(ref_input_, txfm1d_size_, txfm1d_size_);
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reference_hybrid_2d(ref_input_, ref_output_, txfm1d_size_, type0_,
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type1_);
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for (int ni = 0; ni < txfm2d_size_; ++ni) {
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ref_output_[ni] = round(ref_output_[ni] * amplify_factor_);
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EXPECT_GE(max_error_,
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fabs(output_[ni] - ref_output_[ni]) / amplify_factor_);
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}
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avg_abs_error += compute_avg_abs_error<int32_t, double>(
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output_, ref_output_, txfm2d_size_);
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}
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avg_abs_error /= amplify_factor_;
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avg_abs_error /= count_;
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// max_abs_avg_error comes from upper bound of avg_abs_error
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// printf("type0: %d type1: %d txfm_size: %d accuracy_avg_abs_error:
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// %f\n", type0_, type1_, txfm1d_size_, avg_abs_error);
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EXPECT_GE(max_avg_error_, avg_abs_error);
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}
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virtual void TearDown() {
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aom_free(input_);
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aom_free(output_);
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aom_free(ref_input_);
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aom_free(ref_output_);
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}
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private:
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double max_error_;
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double max_avg_error_;
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int count_;
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double amplify_factor_;
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TX_TYPE tx_type_;
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TX_SIZE tx_size_;
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int txfm1d_size_;
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int txfm2d_size_;
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Fwd_Txfm2d_Func fwd_txfm_;
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TYPE_TXFM type0_;
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TYPE_TXFM type1_;
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int16_t *input_;
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int32_t *output_;
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double *ref_input_;
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double *ref_output_;
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int ud_flip_; // flip upside down
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int lr_flip_; // flip left to right
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};
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TEST_P(AV1FwdTxfm2d, RunFwdAccuracyCheck) { RunFwdAccuracyCheck(); }
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const AV1FwdTxfm2dParam av1_fwd_txfm2d_param_c[] = {
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#if CONFIG_EXT_TX
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AV1FwdTxfm2dParam(FLIPADST_DCT, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(DCT_FLIPADST, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(FLIPADST_FLIPADST, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(ADST_FLIPADST, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(FLIPADST_ADST, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(FLIPADST_DCT, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(DCT_FLIPADST, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(FLIPADST_FLIPADST, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(ADST_FLIPADST, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(FLIPADST_ADST, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(FLIPADST_DCT, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(DCT_FLIPADST, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(FLIPADST_FLIPADST, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(ADST_FLIPADST, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(FLIPADST_ADST, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(FLIPADST_DCT, TX_32X32, 70, 7),
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AV1FwdTxfm2dParam(DCT_FLIPADST, TX_32X32, 70, 7),
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AV1FwdTxfm2dParam(FLIPADST_FLIPADST, TX_32X32, 70, 7),
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AV1FwdTxfm2dParam(ADST_FLIPADST, TX_32X32, 70, 7),
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AV1FwdTxfm2dParam(FLIPADST_ADST, TX_32X32, 70, 7),
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#endif
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AV1FwdTxfm2dParam(DCT_DCT, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(ADST_DCT, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(DCT_ADST, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(ADST_ADST, TX_4X4, 2, 0.2),
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AV1FwdTxfm2dParam(DCT_DCT, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(ADST_DCT, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(DCT_ADST, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(ADST_ADST, TX_8X8, 5, 0.6),
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AV1FwdTxfm2dParam(DCT_DCT, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(ADST_DCT, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(DCT_ADST, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(ADST_ADST, TX_16X16, 11, 1.5),
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AV1FwdTxfm2dParam(DCT_DCT, TX_32X32, 70, 7),
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AV1FwdTxfm2dParam(ADST_DCT, TX_32X32, 70, 7),
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AV1FwdTxfm2dParam(DCT_ADST, TX_32X32, 70, 7),
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AV1FwdTxfm2dParam(ADST_ADST, TX_32X32, 70, 7)
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};
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INSTANTIATE_TEST_CASE_P(C, AV1FwdTxfm2d,
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::testing::ValuesIn(av1_fwd_txfm2d_param_c));
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#endif // CONFIG_AOM_HIGHBITDEPTH
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} // namespace
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