mirror of
https://github.com/DrasLorus/CORDIC_Abs_APFX.git
synced 2024-09-16 23:42:22 +02:00
439 lines
17 KiB
C++
439 lines
17 KiB
C++
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/*
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*
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* Copyright 2022 Camille "DrasLorus" Monière.
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*
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* This file is part of CORDIC_Rotate_APFX.
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*
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* This program is free software: you can redistribute it and/or modify it under the terms of the GNU
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* Lesser General Public License as published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
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* even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with this program.
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* If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#include "CCordicAbs/CCordicAbs.hpp"
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#include <fstream>
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#include <iostream>
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#include <catch2/catch.hpp>
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using namespace std;
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using Catch::Matchers::Floating::WithinAbsMatcher;
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#if defined(SOFTWARE)
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TEST_CASE("Constexpr CordicAbs works with C-Types", "[CORDIC]") {
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SECTION("W:16 - I:4 - Stages:6 - q:64") {
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typedef CCordicAbs<16, 4, 6> cordic_abs;
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string input_fn = "../data/input.dat"; // _8_14_4_17_5_19_7_12
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string output_fn = "../data/output.dat"; // _8_14_4_17_5_19_7_12
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constexpr unsigned n_lines = 100000;
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complex<double> values_in[n_lines];
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double values_out[n_lines];
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double results[n_lines];
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FILE * INPUT = fopen(input_fn.c_str(), "r");
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// Init test vector
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for (unsigned i = 0; i < n_lines; i++) {
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double a, b, r;
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fscanf(INPUT, "%lf,%lf,%lf\n", &a, &b, &r);
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const complex<double> c {a, b};
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values_in[i] = c;
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const double ac = std::abs(c);
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results[i] = ac;
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}
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fclose(INPUT);
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// Save the results to a file
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ofstream outfile("results.dat");
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constexpr double abs_margin = double(1 << (cordic_abs::Out_I - 1)) * 2. / 100.;
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// Executing the encoder
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for (unsigned iter = 0; iter < n_lines; iter++) {
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// Execute
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values_out[iter] = cordic_abs::process(values_in[iter]);
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// Display the results
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// cout << "Series " << iter;
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// cout << " Outcome: ";
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outfile << values_in[iter].real() << " " << values_in[iter].imag() << " " << values_out[iter] << " " << results[iter] << endl;
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REQUIRE_THAT(values_out[iter], WithinAbsMatcher(results[iter], abs_margin));
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}
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outfile.close();
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// Compare the results file with the golden results
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// int retval = 0;
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// Return 0 if the test passed
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}
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}
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#endif
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// TEST_CASE("ROM-based Cordic works with AP-Types", "[CORDIC]") {
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// constexpr unsigned n_lines = 100000;
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// SECTION("W:16 - I:4 - Stages:6 - q:64") {
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// typedef CCordicAbs<16, 4, 6> cordic_abs;
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// static constexpr cordic_abs cordic {};
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// string input_fn = "../data/input.dat";
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// constexpr double rotation = cordic_abs::rotation;
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// constexpr double q = cordic_abs::rom_cordic.q;
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// constexpr uint64_t cnt_mask = 0xFF; // Value dependant of the way the ROM is initialized
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// constexpr unsigned Out_W = cordic_abs::Out_W;
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// constexpr unsigned In_W = cordic_abs::In_W;
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// ap_int<In_W> values_re_in[n_lines];
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// ap_int<In_W> values_im_in[n_lines];
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// ap_int<Out_W> values_re_out[n_lines];
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// ap_int<Out_W> values_im_out[n_lines];
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// double results_re[n_lines];
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// double results_im[n_lines];
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// // ofstream out_stream;
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// ifstream INPUT(input_fn);
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// // Init test vector
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// for (unsigned i = 0; i < n_lines; i++) {
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// double a, b, r;
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// INPUT >> a >> b >> r;
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// const complex<double> c {a, b};
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// values_re_in[i] = int64_t(a * double(cordic_abs::in_scale_factor));
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// values_im_in[i] = int64_t(b * double(cordic_abs::in_scale_factor));
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// const complex<double> e = c * exp(complex<double>(0., rotation / q * (i & cnt_mask)));
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// results_re[i] = e.real();
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// results_im[i] = e.imag();
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// }
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// INPUT.close();
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// // Save the results to a file
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// // out_stream.open("results_ap.dat");
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// // FILE * romf = fopen("rom.dat", "w");
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// constexpr double abs_margin = double(1 << (cordic.Out_I - 1)) * 2. / 100.;
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// // Executing the encoder
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// for (unsigned iter = 0; iter < n_lines; iter++) {
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// // Execute
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// const uint8_t counter = uint8_t(iter & cnt_mask);
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// // if (iter < cnt_mask + 1)
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// // fprintf(romf, "%03d\n", (uint16_t) cordic.rom_cordic.rom[counter]);
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// cordic_abs::process(
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// values_re_in[iter], values_im_in[iter],
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// counter,
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// values_re_out[iter], values_im_out[iter]);
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// // Display the results
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// // cout << "Series " << iter;
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// // cout << " Outcome: ";
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// // out_stream << values_re_out[iter].to_int64() << " " << values_im_out[iter].to_int64() << " " << results_re[iter] << " " << results_im[iter] << endl;
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// REQUIRE_THAT(values_re_out[iter].to_double() * 5. / 8. / cordic_abs::out_scale_factor, WithinAbsMatcher(results_re[iter], abs_margin));
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// REQUIRE_THAT(values_im_out[iter].to_double() * 5. / 8. / cordic_abs::out_scale_factor, WithinAbsMatcher(results_im[iter], abs_margin));
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// }
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// // out_stream.close();
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// // fclose(romf);
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// // Compare the results file with the golden results
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// // int retval = 0;
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// // Return 0 if the test passed
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// }
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// SECTION("W:16 - I:4 - Stages:6 - q:64 - internal scaling") {
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// typedef CCordicAbs<16, 4, 6> cordic_abs;
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// static constexpr cordic_abs cordic {};
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// string input_fn = "../data/input.dat";
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// constexpr double rotation = cordic_abs::rotation;
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// constexpr double q = cordic_abs::rom_cordic.q;
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// constexpr uint64_t cnt_mask = 0xFF; // Value dependant of the way the ROM is initialized
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// constexpr unsigned Out_W = cordic_abs::Out_W;
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// constexpr unsigned In_W = cordic_abs::In_W;
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// ap_int<In_W> values_re_in[n_lines];
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// ap_int<In_W> values_im_in[n_lines];
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// ap_int<Out_W> values_re_out[n_lines];
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// ap_int<Out_W> values_im_out[n_lines];
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// double results_re[n_lines];
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// double results_im[n_lines];
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// // ofstream out_stream;
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// ifstream INPUT(input_fn);
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// // Init test vector
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// for (unsigned i = 0; i < n_lines; i++) {
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// double a, b, r;
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// INPUT >> a >> b >> r;
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// const complex<double> c {a, b};
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// values_re_in[i] = int64_t(a * double(cordic_abs::in_scale_factor));
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// values_im_in[i] = int64_t(b * double(cordic_abs::in_scale_factor));
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// const complex<double> e = c * exp(complex<double>(0., rotation / q * (i & cnt_mask)));
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// results_re[i] = e.real();
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// results_im[i] = e.imag();
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// }
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// INPUT.close();
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// // Save the results to a file
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// // out_stream.open("results_ap.dat");
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// // FILE * romf = fopen("rom.dat", "w");
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// constexpr double abs_margin = double(1 << (cordic.Out_I - 1)) * 3. / 100.; // Internal scaling create noise
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// // Executing the encoder
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// for (unsigned iter = 0; iter < n_lines; iter++) {
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// // Execute
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// const uint8_t counter = uint8_t(iter & cnt_mask);
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// // if (iter < cnt_mask + 1)
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// // fprintf(romf, "%03d\n", (uint16_t) cordic.rom_cordic.rom[counter]);
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// cordic_abs::process(
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// values_re_in[iter], values_im_in[iter],
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// counter,
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// values_re_out[iter], values_im_out[iter]);
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// // Display the results
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// // cout << "Series " << iter;
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// // cout << " Outcome: ";
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// // out_stream << values_re_out[iter].to_int64() << " " << values_im_out[iter].to_int64() << " " << results_re[iter] << " " << results_im[iter] << endl;
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// REQUIRE_THAT(cordic_abs::scale_cordic(values_re_out[iter]).to_double() / cordic_abs::out_scale_factor,
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// WithinAbsMatcher(results_re[iter],
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// abs_margin));
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// REQUIRE_THAT(cordic_abs::scale_cordic(values_im_out[iter]).to_double() / cordic_abs::out_scale_factor,
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// WithinAbsMatcher(results_im[iter],
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// abs_margin));
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// }
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// // out_stream.close();
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// // fclose(romf);
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// // Compare the results file with the golden results
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// // int retval = 0;
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// // Return 0 if the test passed
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// }
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// SECTION("W:16 - I:4 - Stages:6 - q:64 - divider:4") {
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// typedef CCordicAbs<16, 4, 6> cordic_abs;
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// static constexpr cordic_abs cordic {};
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// string input_fn = "../data/input.dat";
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// constexpr double rotation = cordic_abs::rotation;
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// constexpr double q = cordic_abs::rom_cordic.q;
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// constexpr uint64_t cnt_mask = 0xFF; // Value dependant of the way the ROM is initialized
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// constexpr unsigned Out_W = cordic_abs::Out_W;
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// constexpr unsigned In_W = cordic_abs::In_W;
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// ap_int<In_W> values_re_in[n_lines];
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// ap_int<In_W> values_im_in[n_lines];
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// ap_int<Out_W> values_re_out[n_lines];
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// ap_int<Out_W> values_im_out[n_lines];
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// double results_re[n_lines];
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// double results_im[n_lines];
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// // ofstream out_stream;
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// ifstream INPUT(input_fn);
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// // Init test vector
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// for (unsigned i = 0; i < n_lines; i++) {
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// double a, b, r;
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// INPUT >> a >> b >> r;
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// const complex<double> c {a, b};
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// values_re_in[i] = int64_t(a * double(cordic_abs::in_scale_factor));
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// values_im_in[i] = int64_t(b * double(cordic_abs::in_scale_factor));
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// const complex<double> e = c * exp(complex<double>(0., rotation / q * (i & cnt_mask)));
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// results_re[i] = e.real();
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// results_im[i] = e.imag();
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// }
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// INPUT.close();
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// // Save the results to a file
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// // out_stream.open("results_ap.dat");
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// // FILE * romf = fopen("rom.dat", "w");
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// constexpr double abs_margin = double(1 << (cordic.Out_I - 1)) * 2. / 100.;
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// // Executing the encoder
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// for (unsigned iter = 0; iter < n_lines; iter++) {
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// // Execute
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// const uint8_t counter = uint8_t(iter & cnt_mask);
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// // if (iter < cnt_mask + 1)
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// // fprintf(romf, "%03d\n", (uint16_t) cordic.rom_cordic.rom[counter]);
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// cordic_abs::process(
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// values_re_in[iter], values_im_in[iter],
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// counter,
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// values_re_out[iter], values_im_out[iter]);
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// // Display the results
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// // cout << "Series " << iter;
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// // cout << " Outcome: ";
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// // out_stream << values_re_out[iter].to_int64() << " " << values_im_out[iter].to_int64() << " " << results_re[iter] << " " << results_im[iter] << endl;
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// REQUIRE_THAT(values_re_out[iter].to_double() * 5. / 8. / cordic_abs::out_scale_factor, WithinAbsMatcher(results_re[iter], abs_margin));
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// REQUIRE_THAT(values_im_out[iter].to_double() * 5. / 8. / cordic_abs::out_scale_factor, WithinAbsMatcher(results_im[iter], abs_margin));
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// }
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// // out_stream.close();
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// // fclose(romf);
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// // Compare the results file with the golden results
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// // int retval = 0;
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// // Return 0 if the test passed
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// }
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// SECTION("W:16 - I:4 - Stages:6 - q:64 - divider:4 - internal scaling") {
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// typedef CCordicAbs<16, 4, 6> cordic_abs;
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// static constexpr cordic_abs cordic {};
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// string input_fn = "../data/input.dat";
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// constexpr double rotation = cordic_abs::rotation;
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// constexpr double q = cordic_abs::rom_cordic.q;
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// constexpr uint64_t cnt_mask = 0xFF; // Value dependant of the way the ROM is initialized
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// constexpr unsigned Out_W = cordic_abs::Out_W;
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// constexpr unsigned In_W = cordic_abs::In_W;
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// ap_int<In_W> values_re_in[n_lines];
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// ap_int<In_W> values_im_in[n_lines];
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// ap_int<Out_W> values_re_out[n_lines];
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// ap_int<Out_W> values_im_out[n_lines];
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// double results_re[n_lines];
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// double results_im[n_lines];
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// ofstream out_stream;
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// ifstream INPUT(input_fn);
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// // Init test vector
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// for (unsigned i = 0; i < n_lines; i++) {
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// double a, b, r;
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// INPUT >> a >> b >> r;
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// const complex<double> c {a, b};
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// values_re_in[i] = int64_t(a * double(cordic_abs::in_scale_factor));
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// values_im_in[i] = int64_t(b * double(cordic_abs::in_scale_factor));
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// const complex<double> e = c * exp(complex<double>(0., rotation / q * (i & cnt_mask)));
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// results_re[i] = e.real();
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// results_im[i] = e.imag();
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// }
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// INPUT.close();
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// // Save the results to a file
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// // out_stream.open("results_ap.dat");
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// // FILE * romf = fopen("rom.dat", "w");
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// constexpr double abs_margin = double(1 << (cordic.Out_I - 1)) * 3. / 100.; // Internal scaling creates noise
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// // Executing the encoder
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// for (unsigned iter = 0; iter < n_lines; iter++) {
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// // Execute
|
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// const uint8_t counter = uint8_t(iter & cnt_mask);
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// // if (iter < cnt_mask + 1)
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// // fprintf(romf, "%03d\n", (uint16_t) cordic.rom_cordic.rom[counter]);
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// cordic_abs::process(
|
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// values_re_in[iter], values_im_in[iter],
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// counter,
|
||
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// values_re_out[iter], values_im_out[iter]);
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// // Display the results
|
||
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// // cout << "Series " << iter;
|
||
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// // cout << " Outcome: ";
|
||
|
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||
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// // out_stream << cordic_abs::scale_cordic(values_re_out[iter]).to_double() / cordic_abs::out_scale_factor << " "
|
||
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// // << cordic_abs::scale_cordic(values_im_out[iter]).to_double() / cordic_abs::out_scale_factor << " "
|
||
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// // << results_re[iter] << " "
|
||
|
|
// // << results_im[iter] << endl;
|
||
|
|
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||
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// REQUIRE_THAT(cordic_abs::scale_cordic(values_re_out[iter]).to_double() / cordic_abs::out_scale_factor,
|
||
|
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// WithinAbsMatcher(results_re[iter], abs_margin));
|
||
|
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// REQUIRE_THAT(cordic_abs::scale_cordic(values_im_out[iter]).to_double() / cordic_abs::out_scale_factor,
|
||
|
|
// WithinAbsMatcher(results_im[iter], abs_margin));
|
||
|
|
// }
|
||
|
|
// // out_stream.close();
|
||
|
|
// // fclose(romf);
|
||
|
|
|
||
|
|
// // Compare the results file with the golden results
|
||
|
|
// // int retval = 0;
|
||
|
|
// // Return 0 if the test passed
|
||
|
|
// }
|
||
|
|
// }
|
||
|
|
|
||
|
|
#if defined(SOFTWARE)
|
||
|
|
TEST_CASE("Constexpr CordicAbs are evaluated during compilation.", "[CORDIC]") {
|
||
|
|
SECTION("W:16 - I:4 - Stages:6 - q:64 - C-Types") {
|
||
|
|
typedef CCordicAbs<16, 4, 6> cordic_abs;
|
||
|
|
|
||
|
|
constexpr const complex<int64_t> value_in[3] = {(1U << 12) * 97, -(1U << 12) * 33, (1U << 3) * 12};
|
||
|
|
|
||
|
|
constexpr int64_t res10 = cordic_abs::process(value_in[0]);
|
||
|
|
constexpr int64_t res20 = cordic_abs::process(value_in[0]);
|
||
|
|
static_assert(res10 == res20, "Test");
|
||
|
|
REQUIRE_FALSE(res10 == cordic_abs::process(complex<int64_t>(1, 0)));
|
||
|
|
REQUIRE(res10 == cordic_abs::process(value_in[0]));
|
||
|
|
|
||
|
|
constexpr int64_t res11 = cordic_abs::process(value_in[1]);
|
||
|
|
constexpr int64_t res21 = cordic_abs::process(value_in[1]);
|
||
|
|
static_assert(res11 == res21, "Test");
|
||
|
|
REQUIRE_FALSE(res11 == cordic_abs::process(complex<int64_t>(1, 0)));
|
||
|
|
REQUIRE(res11 == cordic_abs::process(value_in[1]));
|
||
|
|
|
||
|
|
constexpr int64_t res12 = cordic_abs::process(value_in[2]);
|
||
|
|
constexpr int64_t res22 = cordic_abs::process(value_in[2]);
|
||
|
|
static_assert(res12 == res22, "Test");
|
||
|
|
REQUIRE_FALSE(res12 == cordic_abs::process(complex<int64_t>(1, 0)));
|
||
|
|
REQUIRE(res12 == cordic_abs::process(value_in[2]));
|
||
|
|
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif
|