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Code Issues Releases Wiki Activity

Use std::bitset<N> instead of std::array<bool, N>

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This commit is contained in:
Carles Fernandez 2019-07-15 15:13:18 +02:00
parent 8e0445264a
commit e7e936f97e
3 changed files with 95 additions and 79 deletions
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11
src/algorithms/libs/beidou_b1i_signal_processing.cc
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@ -32,17 +32,20 @@
#include "beidou_b1i_signal_processing.h"
#include <array>
#include <bitset>
#include <string>
auto auxCeil = [](float x) { return static_cast<int32_t>(static_cast<int64_t>((x) + 1)); };
void beidou_b1i_code_gen_int(gsl::span<int32_t> _dest, int32_t _prn, uint32_t _chip_shift)
{
const uint32_t _code_length = 2046;
std::array<bool, _code_length> G1{};
std::array<bool, _code_length> G2{};
std::bitset<_code_length> G1{};
std::bitset<_code_length> G2{};
std::bitset<11> G1_register(std::string("01010101010"));
std::bitset<11> G2_register(std::string("01010101010"));
std::array<bool, 11> G1_register{false, true, false, true, false, true, false, true, false, true, false};
std::array<bool, 11> G2_register{false, true, false, true, false, true, false, true, false, true, false};
bool feedback1, feedback2;
bool aux;
uint32_t lcv, lcv2;

154
src/algorithms/libs/beidou_b3i_signal_processing.cc
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@ -32,85 +32,90 @@
#include "beidou_b3i_signal_processing.h"
#include <array>
#include <bitset>
#include <string>
auto auxCeil = [](float x) { return static_cast<int>(static_cast<long>((x) + 1)); };
void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int _chip_shift)
{
const unsigned int _code_length = 10230;
std::array<bool, _code_length> G1{};
std::array<bool, _code_length> G2{};
std::array<bool, 13> G1_register = {{true, true, true, true, true, true, true, true, true, true, true, true, true}};
std::array<bool, 13> G2_register = {{true, true, true, true, true, true, true, true, true, true, true, true, true}};
std::array<bool, 13> G1_register_reset = {{false, false, true, true, true, true, true, true, true, true, true, true, true}};
std::bitset<_code_length> G1{};
std::bitset<_code_length> G2{};
auto G1_register = std::move(std::bitset<13>{}.set()); // All true {true, true, true, true, true, true, true, true, true, true, true, true, true};
auto G2_register = std::move(std::bitset<13>{}.set()); // All true {true, true, true, true, true, true, true, true, true, true, true, true, true};
auto G1_register_reset = std::move(std::bitset<13>{}.set());
G1_register_reset.reset(0);
G1_register_reset.reset(1); // {false, false, true, true, true, true, true, true, true, true, true, true, true};
bool feedback1, feedback2, aux;
uint32_t lcv, lcv2, delay;
int32_t prn_idx = _prn - 1;
std::array<std::array<bool, 13>, 63> G2_register_shifted =
{{{{true, false, true, false, true, true, true, true, true, true, true, true, true}},
{{true, true, true, true, false, false, false, true, false, true, false, true, true}},
{{true, false, true, true, true, true, false, false, false, true, false, true, false}},
{{true, true, true, true, true, true, true, true, true, true, false, true, true}},
{{true, true, false, false, true, false, false, false, true, true, true, true, true}},
{{true, false, false, true, false, false, true, true, false, false, true, false, false}},
{{true, true, true, true, true, true, true, false, true, false, false, true, false}},
{{true, true, true, false, true, true, true, true, true, true, true, false, true}},
{{true, false, true, false, false, false, false, false, false, false, false, true, false}},
{{false, false, true, false, false, false, false, false, true, true, false, true, true}},
{{true, true, true, false, true, false, true, true, true, false, false, false, false}},
{{false, false, true, false, true, true, false, false, true, true, true, true, false}},
{{false, true, true, false, false, true, false, false, true, false, true, false, true}},
{{false, true, true, true, false, false, false, true, false, false, true, true, false}},
{{true, false, false, false, true, true, false, false, false, true, false, false, true}},
{{true, true, true, false, false, false, true, true, true, true, true, false, false}},
{{false, false, true, false, false, true, true, false, false, false, true, false, true}},
{{false, false, false, false, false, true, true, true, false, true, true, false, false}},
{{true, false, false, false, true, false, true, false, true, false, true, true, true}},
{{false, false, false, true, false, true, true, false, true, true, true, true, false}},
{{false, false, true, false, false, false, false, true, false, true, true, false, true}},
{{false, false, true, false, true, true, false, false, false, true, false, true, false}},
{{false, false, false, true, false, true, true, false, false, true, true, true, true}},
{{false, false, true, true, false, false, true, true, false, false, false, true, false}},
{{false, false, true, true, true, false, true, false, false, true, false, false, false}},
{{false, true, false, false, true, false, false, true, false, true, false, false, true}},
{{true, false, true, true, false, true, true, false, true, false, false, true, true}},
{{true, false, true, false, true, true, true, true, false, false, false, true, false}},
{{false, false, false, true, false, true, true, true, true, false, true, false, true}},
{{false, true, true, true, true, true, true, true, true, true, true, true, true}},
{{false, true, true, false, true, true, false, false, false, true, true, true, true}},
{{true, false, true, false, true, true, false, false, false, true, false, false, true}},
{{true, false, false, true, false, true, false, true, false, true, false, true, true}},
{{true, true, false, false, true, true, false, true, false, false, true, false, true}},
{{true, true, false, true, false, false, true, false, true, true, true, false, true}},
{{true, true, true, true, true, false, true, true, true, false, true, false, false}},
{{false, false, true, false, true, false, true, true, false, false, true, true, true}},
{{true, true, true, false, true, false, false, false, true, false, false, false, false}},
{{true, true, false, true, true, true, false, false, true, false, false, false, false}},
{{true, true, false, true, false, true, true, false, false, true, true, true, false}},
{{true, false, false, false, false, false, false, true, true, false, true, false, false}},
{{false, true, false, true, true, true, true, false, true, true, false, false, true}},
{{false, true, true, false, true, true, false, true, true, true, true, false, false}},
{{true, true, false, true, false, false, true, true, true, false, false, false, true}},
{{false, false, true, true, true, false, false, true, false, false, false, true, false}},
{{false, true, false, true, false, true, true, false, false, false, true, false, true}},
{{true, false, false, true, true, true, true, true, false, false, true, true, false}},
{{true, true, true, true, true, false, true, false, false, true, false, false, false}},
{{false, false, false, false, true, false, true, false, false, true, false, false, true}},
{{true, false, false, false, false, true, false, true, false, true, true, false, false}},
{{true, true, true, true, false, false, true, false, false, true, true, false, false}},
{{false, true, false, false, true, true, false, false, false, true, true, true, true}},
{{false, false, false, false, false, false, false, false, true, true, false, false, false}},
{{true, false, false, false, false, false, false, false, false, false, true, false, false}},
{{false, false, true, true, false, true, false, true, false, false, true, true, false}},
{{true, false, true, true, false, false, true, false, false, false, true, true, false}},
{{false, true, true, true, false, false, true, true, true, true, false, false, false}},
{{false, false, true, false, true, true, true, false, false, true, false, true, false}},
{{true, true, false, false, true, true, true, true, true, false, true, true, false}},
{{true, false, false, true, false, false, true, false, false, false, true, false, true}},
{{false, true, true, true, false, false, false, true, false, false, false, false, false}},
{{false, false, true, true, false, false, true, false, false, false, false, true, false}},
{{false, false, true, false, false, false, true, false, false, true, true, true, false}}}};
const std::array<std::bitset<13>, 63> G2_register_shifted =
{std::bitset<13>(std::string("1010111111111")),
std::bitset<13>(std::string("1111000101011")),
std::bitset<13>(std::string("1011110001010")),
std::bitset<13>(std::string("1111111111011")),
std::bitset<13>(std::string("1100100011111")),
std::bitset<13>(std::string("1001001100100")),
std::bitset<13>(std::string("1111111010010")),
std::bitset<13>(std::string("1110111111101")),
std::bitset<13>(std::string("1010000000010")),
std::bitset<13>(std::string("0010000011011")),
std::bitset<13>(std::string("1110101110000")),
std::bitset<13>(std::string("0010110011110")),
std::bitset<13>(std::string("0110010010101")),
std::bitset<13>(std::string("0111000100110")),
std::bitset<13>(std::string("1000110001001")),
std::bitset<13>(std::string("1110001111100")),
std::bitset<13>(std::string("0010011000101")),
std::bitset<13>(std::string("0000011101100")),
std::bitset<13>(std::string("1000101010111")),
std::bitset<13>(std::string("0001011011110")),
std::bitset<13>(std::string("0010000101101")),
std::bitset<13>(std::string("0010110001010")),
std::bitset<13>(std::string("0001011001111")),
std::bitset<13>(std::string("0011001100010")),
std::bitset<13>(std::string("0011101001000")),
std::bitset<13>(std::string("0100100101001")),
std::bitset<13>(std::string("1011011010011")),
std::bitset<13>(std::string("1010111100010")),
std::bitset<13>(std::string("0001011110101")),
std::bitset<13>(std::string("0111111111111")),
std::bitset<13>(std::string("0110110001111")),
std::bitset<13>(std::string("1010110001001")),
std::bitset<13>(std::string("1001010101011")),
std::bitset<13>(std::string("1100110100101")),
std::bitset<13>(std::string("1101001011101")),
std::bitset<13>(std::string("1111101110100")),
std::bitset<13>(std::string("0010101100111")),
std::bitset<13>(std::string("1110100010000")),
std::bitset<13>(std::string("1101110010000")),
std::bitset<13>(std::string("1101011001110")),
std::bitset<13>(std::string("1000000110100")),
std::bitset<13>(std::string("0101111011001")),
std::bitset<13>(std::string("0110110111100")),
std::bitset<13>(std::string("1101001110001")),
std::bitset<13>(std::string("0011100100010")),
std::bitset<13>(std::string("0101011000101")),
std::bitset<13>(std::string("1001111100110")),
std::bitset<13>(std::string("1111101001000")),
std::bitset<13>(std::string("0000101001001")),
std::bitset<13>(std::string("1000010101100")),
std::bitset<13>(std::string("1111001001100")),
std::bitset<13>(std::string("0100110001111")),
std::bitset<13>(std::string("0000000011000")),
std::bitset<13>(std::string("1000000000100")),
std::bitset<13>(std::string("0011010100110")),
std::bitset<13>(std::string("1011001000110")),
std::bitset<13>(std::string("0111001111000")),
std::bitset<13>(std::string("0010111001010")),
std::bitset<13>(std::string("1100111110110")),
std::bitset<13>(std::string("1001001000101")),
std::bitset<13>(std::string("0111000100000")),
std::bitset<13>(std::string("0011001000010")),
std::bitset<13>(std::string("0010001001110"))};
// A simple error check
if ((prn_idx < 0) || (prn_idx > 63))
@ -120,7 +125,14 @@ void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int
// Assign shifted G2 register based on prn number
G2_register = G2_register_shifted[prn_idx];
std::reverse(G2_register.begin(), G2_register.end());
// std::reverse(G2_register.begin(), G2_register.end());
for (std::size_t i = 0; i < 6; ++i)
{
bool t = G2_register[i];
G2_register[i] = G2_register[13 - i - 1];
G2_register[13 - i - 1] = t;
}
// Generate G1 and G2 Register
for (lcv = 0; lcv < _code_length; lcv++)
@ -145,7 +157,7 @@ void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int
// Reset G1 register if sequence found
if (G1_register == G1_register_reset)
{
G1_register = {{true, true, true, true, true, true, true, true, true, true, true, true, true}};
G1_register = std::move(std::bitset<13>{}.set()); // All true {{true, true, true, true, true, true, true, true, true, true, true, true, true}};
}
}

9
src/algorithms/libs/gps_sdr_signal_processing.cc
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@ -32,16 +32,17 @@
#include "gps_sdr_signal_processing.h"
#include <array>
#include <bitset>
auto auxCeil = [](float x) { return static_cast<int32_t>(static_cast<int64_t>((x) + 1)); };
void gps_l1_ca_code_gen_int(gsl::span<int32_t> _dest, int32_t _prn, uint32_t _chip_shift)
{
const uint32_t _code_length = 1023;
std::array<bool, _code_length> G1{};
std::array<bool, _code_length> G2{};
std::array<bool, 10> G1_register{};
std::array<bool, 10> G2_register{};
std::bitset<_code_length> G1{};
std::bitset<_code_length> G2{};
std::bitset<10> G1_register{};
std::bitset<10> G2_register{};
bool feedback1, feedback2;
bool aux;
uint32_t lcv, lcv2;