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Working unit tests
This commit is contained in:
Camille Monière
parent
5b0f6d9a6b
commit
ee535621f9
GPG key ID:
188DD5B072181C0F
3 changed files with 161 additions and 335 deletions
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@ -2,7 +2,7 @@
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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_ABS_APFX.
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* This file is part of CORDIC_Abs_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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@ -30,6 +30,8 @@
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#include <ap_fixed.h>
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#include <ap_int.h>
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#include "hls_abs/hls_abs.hpp"
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#define cst_abs(x) (x > 0 ? x : -x)
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template <unsigned TIn_W, unsigned TIn_I, unsigned Tnb_stages>
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@ -53,8 +55,50 @@ public:
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return in * kn_i / 8U;
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}
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static constexpr int64_t process(int64_t re_in, int64_t im_in) {
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const int64_t re_x = re_in;
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const int64_t im_x = im_in;
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int64_t A = cst_abs(re_x);
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int64_t B = cst_abs(im_x);
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for (uint16_t u = 1; u < nb_stages + 1; u++) {
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const bool sign_B = B > 0;
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const int64_t step_A = +B / int64_t(1U << (u - 1));
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const int64_t step_B = -A / int64_t(1U << (u - 1));
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B = sign_B ? B + step_B : B - step_B;
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A = sign_B ? A + step_A : A - step_A;
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}
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return A;
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}
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static constexpr ap_int<Out_W> process(ap_int<In_W> re_in, ap_int<In_W> im_in) {
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ap_int<Out_W> A = hls_abs<false>::abs(re_in);
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ap_int<Out_W> B = hls_abs<false>::abs(im_in);
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for (uint16_t u = 1; u < nb_stages + 1; u++) {
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const bool sign_B = B > 0;
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const int64_t step_A = (+B) >> (u - 1);
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const int64_t step_B = (-A) >> (u - 1);
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B = sign_B ? B + step_B : B - step_B;
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A = sign_B ? A + step_A : A - step_A;
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}
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return A;
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}
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#if !defined(__SYNTHESIS__) && defined(SOFTWARE)
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static constexpr int64_t process(const std::complex<int64_t> & x_in) {
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static constexpr int64_t
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process(const std::complex<int64_t> & x_in) {
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const int64_t re_x = x_in.real();
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const int64_t im_x = x_in.imag();
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47
sources/hls_abs/hls_abs.hpp
Normal file
47
sources/hls_abs/hls_abs.hpp
Normal file
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@ -0,0 +1,47 @@
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#ifndef _HLS_ABS_HPP_
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#define _HLS_ABS_HPP_
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#include <ap_int.h>
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template <bool balanced>
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struct hls_abs {
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template <int _Tsize>
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static ap_uint<_Tsize> abs(ap_int<_Tsize> value);
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template <int _Tsize>
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static ap_uint<_Tsize> abs(ap_uint<_Tsize> value) {
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return value;
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}
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};
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template <>
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struct hls_abs<true> {
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template <int _Tsize>
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static ap_uint<_Tsize> abs(ap_int<_Tsize> value) {
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const ap_uint<_Tsize - 1> u_value = value.range(_Tsize - 2, 0);
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const bool sign_value = value.bit(_Tsize - 1);
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const ap_uint<_Tsize> a_value = sign_value
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? ap_uint<_Tsize>((~u_value) + 1U)
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: ap_uint<_Tsize>(u_value);
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return a_value;
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}
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};
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template <>
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struct hls_abs<false> {
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template <int _Tsize>
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static ap_uint<_Tsize + 1> abs(ap_int<_Tsize> value) {
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const ap_uint<_Tsize - 1> u_value = value.range(_Tsize - 2, 0);
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const bool sign_value = value.bit(_Tsize - 1);
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const ap_uint<_Tsize + 1> a_value = sign_value
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? ap_uint<_Tsize + 1>((~u_value) + true)
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: ap_uint<_Tsize + 1>(u_value);
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return a_value;
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}
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};
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#endif
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@ -28,8 +28,8 @@ 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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TEST_CASE("Constexpr CordicAbs works with C-Types", "[CORDICABS]") {
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SECTION("W:16 - I:4 - Stages:6") {
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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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@ -48,7 +48,7 @@ TEST_CASE("Constexpr CordicAbs works with C-Types", "[CORDIC]") {
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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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@ -58,6 +58,61 @@ TEST_CASE("Constexpr CordicAbs works with C-Types", "[CORDIC]") {
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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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}
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}
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#endif
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TEST_CASE("Constexpr CordicAbs works with AP-Types", "[CORDICABS]") {
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SECTION("W:16 - I:4 - Stages:6") {
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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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ap_int<cordic_abs::In_W> re_values_in[n_lines];
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ap_int<cordic_abs::In_W> im_values_in[n_lines];
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ap_uint<cordic_abs::Out_W> 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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re_values_in[i] = int64_t(floor(a * cordic_abs::in_scale_factor));
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im_values_in[i] = int64_t(floor(b * cordic_abs::in_scale_factor));
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const double ac = std::abs(complex<double> {a, b});
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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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@ -67,15 +122,20 @@ TEST_CASE("Constexpr CordicAbs works with C-Types", "[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_abs::process(values_in[iter]);
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values_out[iter] = cordic_abs::process(re_values_in[iter], im_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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outfile << re_values_in[iter].to_double() / cordic_abs::in_scale_factor << " "
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<< im_values_in[iter].to_double() / cordic_abs::in_scale_factor << " "
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<< cordic_abs::scale_cordic(values_out[iter].to_double()) / cordic_abs::out_scale_factor << " "
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<< results[iter] << endl;
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REQUIRE_THAT(values_out[iter], WithinAbsMatcher(results[iter], abs_margin));
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const double dbl_res = cordic_abs::scale_cordic(values_out[iter].to_double()) / cordic_abs::out_scale_factor;
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REQUIRE_THAT(dbl_res, WithinAbsMatcher(results[iter], abs_margin));
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}
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outfile.close();
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@ -84,334 +144,10 @@ TEST_CASE("Constexpr CordicAbs works with C-Types", "[CORDIC]") {
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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],
|
||||
// counter,
|
||||
// values_re_out[iter], values_im_out[iter]);
|
||||
|
||||
// // Display the results
|
||||
// // cout << "Series " << iter;
|
||||
// // cout << " Outcome: ";
|
||||
|
||||
// // out_stream << values_re_out[iter].to_int64() << " " << values_im_out[iter].to_int64() << " " << results_re[iter] << " " << results_im[iter] << endl;
|
||||
|
||||
// REQUIRE_THAT(values_re_out[iter].to_double() * 5. / 8. / cordic_abs::out_scale_factor, WithinAbsMatcher(results_re[iter], abs_margin));
|
||||
// REQUIRE_THAT(values_im_out[iter].to_double() * 5. / 8. / 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
|
||||
// }
|
||||
|
||||
// SECTION("W:16 - I:4 - Stages:6 - q:64 - divider:4 - internal scaling") {
|
||||
// typedef CCordicAbs<16, 4, 6> cordic_abs;
|
||||
// static constexpr cordic_abs cordic {};
|
||||
|
||||
// string input_fn = "../data/input.dat";
|
||||
|
||||
// constexpr double rotation = cordic_abs::rotation;
|
||||
// constexpr double q = cordic_abs::rom_cordic.q;
|
||||
// constexpr uint64_t cnt_mask = 0xFF; // Value dependant of the way the ROM is initialized
|
||||
|
||||
// constexpr unsigned Out_W = cordic_abs::Out_W;
|
||||
// constexpr unsigned In_W = cordic_abs::In_W;
|
||||
|
||||
// ap_int<In_W> values_re_in[n_lines];
|
||||
// ap_int<In_W> values_im_in[n_lines];
|
||||
// ap_int<Out_W> values_re_out[n_lines];
|
||||
// ap_int<Out_W> values_im_out[n_lines];
|
||||
|
||||
// double results_re[n_lines];
|
||||
// double results_im[n_lines];
|
||||
|
||||
// ofstream out_stream;
|
||||
|
||||
// ifstream INPUT(input_fn);
|
||||
|
||||
// // Init test vector
|
||||
// for (unsigned i = 0; i < n_lines; i++) {
|
||||
// double a, b, r;
|
||||
// INPUT >> a >> b >> r;
|
||||
|
||||
// const complex<double> c {a, b};
|
||||
// values_re_in[i] = int64_t(a * double(cordic_abs::in_scale_factor));
|
||||
// values_im_in[i] = int64_t(b * double(cordic_abs::in_scale_factor));
|
||||
|
||||
// const complex<double> e = c * exp(complex<double>(0., rotation / q * (i & cnt_mask)));
|
||||
// results_re[i] = e.real();
|
||||
// results_im[i] = e.imag();
|
||||
// }
|
||||
|
||||
// INPUT.close();
|
||||
|
||||
// // Save the results to a file
|
||||
// // out_stream.open("results_ap.dat");
|
||||
// // FILE * romf = fopen("rom.dat", "w");
|
||||
|
||||
// constexpr double abs_margin = double(1 << (cordic.Out_I - 1)) * 3. / 100.; // Internal scaling creates noise
|
||||
|
||||
// // Executing the encoder
|
||||
// for (unsigned iter = 0; iter < n_lines; iter++) {
|
||||
// // Execute
|
||||
// const uint8_t counter = uint8_t(iter & cnt_mask);
|
||||
|
||||
// // if (iter < cnt_mask + 1)
|
||||
// // fprintf(romf, "%03d\n", (uint16_t) cordic.rom_cordic.rom[counter]);
|
||||
|
||||
// cordic_abs::process(
|
||||
// values_re_in[iter], values_im_in[iter],
|
||||
// counter,
|
||||
// values_re_out[iter], values_im_out[iter]);
|
||||
|
||||
// // Display the results
|
||||
// // cout << "Series " << iter;
|
||||
// // cout << " Outcome: ";
|
||||
|
||||
// // out_stream << cordic_abs::scale_cordic(values_re_out[iter]).to_double() / cordic_abs::out_scale_factor << " "
|
||||
// // << cordic_abs::scale_cordic(values_im_out[iter]).to_double() / cordic_abs::out_scale_factor << " "
|
||||
// // << results_re[iter] << " "
|
||||
// // << results_im[iter] << endl;
|
||||
|
||||
// REQUIRE_THAT(cordic_abs::scale_cordic(values_re_out[iter]).to_double() / cordic_abs::out_scale_factor,
|
||||
// WithinAbsMatcher(results_re[iter], abs_margin));
|
||||
// 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") {
|
||||
TEST_CASE("Constexpr CordicAbs are evaluated during compilation.", "[CORDICABS]") {
|
||||
SECTION("W:16 - I:4 - Stages:6 - 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};
|
||||
|
|
@ -433,7 +169,6 @@ TEST_CASE("Constexpr CordicAbs are evaluated during compilation.", "[CORDIC]") {
|
|||
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
|
||||
Loading…
Reference in a new issue