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https://github.com/DrasLorus/CORDIC_Rotate_APFX.git
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55e8754626
- Add cl.exe support using CMake and DepFetch module. - Inlining doesn't work, but it compiles
214 lines
8.1 KiB
C++
214 lines
8.1 KiB
C++
/*
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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 "CCordicRotateRom/CCordicRotateRom_@ROM_TYPE@_@CORDIC_W@_@CORDIC_STAGES@_@CORDIC_Q@_@CORDIC_DIVIDER@.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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typedef CCordicRotateRom<4, @ROM_TYPE@, @CORDIC_W@, @CORDIC_STAGES@, @CORDIC_Q@, @CORDIC_DIVIDER@> cordic_rom;
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#if defined(SOFTWARE)
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TEST_CASE("ROM-based Cordic (TPL @ROM_TYPE@, @CORDIC_W@, @CORDIC_STAGES@, @CORDIC_Q@, @CORDIC_DIVIDER@) works with C-Types", "[CORDIC]") {
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SECTION("W:@CORDIC_W@ - I:4 - Stages:@CORDIC_STAGES@ - q:@CORDIC_Q@ - div:@CORDIC_DIVIDER@") {
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static constexpr cordic_rom cordic {};
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string input_fn = "../data/input.dat";
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constexpr unsigned n_lines = 100000;
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vector<complex<double>> values_in(n_lines);
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vector<complex<double>> values_out(n_lines);
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vector<complex<double>> results(n_lines);
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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_in[i] = c;
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constexpr double rotation = cordic_rom::rotation;
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constexpr double q = cordic_rom::q;
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const complex<double> e = exp(complex<double>(0., rotation / q * (i & 255)));
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results[i] = c * e;
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}
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INPUT.close();
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constexpr double abs_margin = double(1 << cordic.Out_I) * 2. / 100.;
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// Executing the CORDIC
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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_rom::cordic(values_in[iter], (iter & 255));
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REQUIRE_THAT(values_out[iter].real(), WithinAbsMatcher(results[iter].real(), abs_margin));
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REQUIRE_THAT(values_out[iter].imag(), WithinAbsMatcher(results[iter].imag(), abs_margin));
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}
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}
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}
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#endif
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TEST_CASE("ROM-based Cordic (TPL @ROM_TYPE@, @CORDIC_W@, @CORDIC_STAGES@, @CORDIC_Q@, @CORDIC_DIVIDER@) works with AP-Types", "[CORDIC]") {
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constexpr unsigned n_lines = 100000;
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SECTION("W:@CORDIC_W@ - I:4 - Stages:@CORDIC_STAGES@ - q:@CORDIC_Q@ - div:@CORDIC_DIVIDER@") {
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static constexpr cordic_rom cordic {};
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string input_fn = "../data/input.dat";
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constexpr double rotation = cordic_rom::rotation;
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constexpr double q = cordic_rom::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_rom::Out_W;
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constexpr unsigned In_W = cordic_rom::In_W;
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vector<ap_int<In_W>> values_re_in(n_lines);
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vector<ap_int<In_W>> values_im_in(n_lines);
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vector<ap_int<Out_W>> values_re_out(n_lines);
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vector<ap_int<Out_W>> values_im_out(n_lines);
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vector<double> results_re(n_lines);
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vector<double> results_im(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_re_in[i] = int64_t(a * double(cordic_rom::in_scale_factor));
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values_im_in[i] = int64_t(b * double(cordic_rom::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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fclose(INPUT);
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constexpr double abs_margin = double(1 << cordic.Out_I) * 2. / 100.;
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// Executing the CORDIC
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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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cordic_rom::cordic(
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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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REQUIRE_THAT(values_re_out[iter].to_double() * 5. / 8. / cordic_rom::out_scale_factor, WithinAbsMatcher(results_re[iter], abs_margin));
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REQUIRE_THAT(values_im_out[iter].to_double() * 5. / 8. / cordic_rom::out_scale_factor, WithinAbsMatcher(results_im[iter], abs_margin));
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}
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}
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SECTION("W:@CORDIC_W@ - I:4 - Stages:@CORDIC_STAGES@ - q:@CORDIC_Q@ - div:@CORDIC_DIVIDER@ - internal scaling") {
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static constexpr cordic_rom cordic {};
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string input_fn = "../data/input.dat";
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constexpr double rotation = cordic_rom::rotation;
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constexpr double q = cordic_rom::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_rom::Out_W;
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constexpr unsigned In_W = cordic_rom::In_W;
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vector<ap_int<In_W>> values_re_in(n_lines);
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vector<ap_int<In_W>> values_im_in(n_lines);
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vector<ap_int<Out_W>> values_re_out(n_lines);
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vector<ap_int<Out_W>> values_im_out(n_lines);
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vector<double> results_re(n_lines);
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vector<double> results_im(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_re_in[i] = int64_t(a * double(cordic_rom::in_scale_factor));
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values_im_in[i] = int64_t(b * double(cordic_rom::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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fclose(INPUT);
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constexpr double abs_margin = double(1 << cordic.Out_I) * 2. / 100.;
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// Executing the CORDIC
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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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cordic_rom::cordic(
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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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REQUIRE_THAT(cordic_rom::scale_cordic(values_re_out[iter]).to_double() / cordic_rom::out_scale_factor,
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WithinAbsMatcher(results_re[iter],
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abs_margin));
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REQUIRE_THAT(cordic_rom::scale_cordic(values_im_out[iter]).to_double() / cordic_rom::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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}
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}
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#if defined(SOFTWARE)
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TEST_CASE("ROM-based Cordic (TPL @ROM_TYPE@, @CORDIC_W@, @CORDIC_STAGES@, @CORDIC_Q@, @CORDIC_DIVIDER@) constexpr are evaluated during compilation.", "[CORDIC]") {
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SECTION("W:@CORDIC_W@ - I:4 - Stages:@CORDIC_STAGES@ - q:@CORDIC_Q@ - div:@CORDIC_DIVIDER@ - C-Types") {
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constexpr complex<int64_t> value_in = (1U << 12) * 97;
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constexpr uint8_t angle = 169;
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constexpr complex<int64_t> res1 = cordic_rom::cordic(value_in, angle);
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constexpr complex<int64_t> res2 = cordic_rom::cordic(value_in, angle);
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static_assert(res1 == res2, "Test");
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REQUIRE_FALSE(res1 == cordic_rom::cordic(complex<int64_t>(1, 0), angle));
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REQUIRE(res1 == cordic_rom::cordic(value_in, angle));
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}
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}
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#endif
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