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Remove uses of bitwise operations on signed integer types

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Based in the High Integrity C++ Standard, Section 5.6.1
See https://www.perforce.com/resources/qac/high-integrity-c-coding-standard-expressions

Removed some c arrays by std::array
This commit is contained in:
Carles Fernandez
2019-07-14 23:34:07 +02:00
parent 7ee1394f2f
commit 9572b37da7
9 changed files with 26 additions and 24 deletions
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4
src/algorithms/libs/beidou_b1i_signal_processing.cc
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@@ -70,8 +70,8 @@ void beidou_b1i_code_gen_int(gsl::span<int32_t> _dest, int32_t _prn, uint32_t _c
G1[lcv] = G1_register[0];
G2[lcv] = G2_register[-(phase1[prn_idx] - 11)] ^ G2_register[-(phase2[prn_idx] - 11)];
feedback1 = (G1_register[0] + G1_register[1] + G1_register[2] + G1_register[3] + G1_register[4] + G1_register[10]) & 0x1;
feedback2 = (G2_register[0] + G2_register[2] + G2_register[3] + G2_register[6] + G2_register[7] + G2_register[8] + G2_register[9] + G2_register[10]) & 0x1;
feedback1 = G1_register[0] xor G1_register[1] xor G1_register[2] xor G1_register[3] xor G1_register[4] xor G1_register[10];
feedback2 = G2_register[0] xor G2_register[2] xor G2_register[3] xor G2_register[6] xor G2_register[7] xor G2_register[8] xor G2_register[9] xor G2_register[10];
for (lcv2 = 0; lcv2 < 10; lcv2++)
{

9
src/algorithms/libs/beidou_b3i_signal_processing.cc
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@@ -129,10 +129,9 @@ void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int
G2[lcv] = G2_register[0];
//feedback1 = (test_G1_register[0]+test_G1_register[2]+test_G1_register[3]+test_G1_register[12]) & 0x1;
feedback1 = (G1_register[0] + G1_register[9] + G1_register[10] + G1_register[12]) & 0x01;
feedback2 = (G2_register[0] + G2_register[1] + G2_register[3] + G2_register[4] +
G2_register[6] + G2_register[7] + G2_register[8] + G2_register[12]) &
0x01;
feedback1 = G1_register[0] xor G1_register[9] xor G1_register[10] xor G1_register[12];
feedback2 = G2_register[0] xor G2_register[1] xor G2_register[3] xor G2_register[4] xor
G2_register[6] xor G2_register[7] xor G2_register[8] xor G2_register[12];
for (lcv2 = 0; lcv2 < 12; lcv2++)
{
@@ -157,7 +156,7 @@ void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int
// Generate PRN from G1 and G2 Registers
for (lcv = 0; lcv < _code_length; lcv++)
{
aux = (G1[(lcv + _chip_shift) % _code_length] + G2[delay]) & 0x01;
aux = G1[(lcv + _chip_shift) % _code_length] xor G2[delay];
if (aux == true)
{
_dest[lcv] = 1;

5
src/algorithms/libs/geofunctions.cc
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@@ -30,6 +30,7 @@
*/
#include "geofunctions.h"
#include <array>
#include <cmath> // for sin, cos, sqrt, abs, pow
const double STRP_PI = 3.1415926535898; // Pi as defined in IS-GPS-200E
@@ -350,8 +351,8 @@ arma::mat Euler_to_CTM(const arma::vec &eul)
arma::vec cart2geo(const arma::vec &XYZ, int elipsoid_selection)
{
const double a[5] = {6378388.0, 6378160.0, 6378135.0, 6378137.0, 6378137.0};
const double f[5] = {1.0 / 297.0, 1.0 / 298.247, 1.0 / 298.26, 1.0 / 298.257222101, 1.0 / 298.257223563};
const std::array<double, 5> a{6378388.0, 6378160.0, 6378135.0, 6378137.0, 6378137.0};
const std::array<double, 5> f{1.0 / 297.0, 1.0 / 298.247, 1.0 / 298.26, 1.0 / 298.257222101, 1.0 / 298.257223563};
double lambda = atan2(XYZ[1], XYZ[0]);
double ex2 = (2.0 - f[elipsoid_selection]) * f[elipsoid_selection] / ((1.0 - f[elipsoid_selection]) * (1.0 - f[elipsoid_selection]));

8
src/algorithms/libs/gps_l2c_signal.cc
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@@ -36,19 +36,19 @@
#include <memory>
int32_t gps_l2c_m_shift(int32_t x)
uint32_t gps_l2c_m_shift(uint32_t x)
{
return static_cast<int32_t>((x >> 1) ^ ((x & 1) * 0445112474));
return static_cast<uint32_t>((x >> 1U) ^ ((x & 1U) * 0445112474U));
}
void gps_l2c_m_code(gsl::span<int32_t> _dest, uint32_t _prn)
{
int32_t x;
uint32_t x;
x = GPS_L2C_M_INIT_REG[_prn - 1];
for (int32_t n = 0; n < GPS_L2_M_CODE_LENGTH_CHIPS; n++)
{
_dest[n] = static_cast<int8_t>(x & 1);
_dest[n] = static_cast<int8_t>(x & 1U);
x = gps_l2c_m_shift(x);
}
}

2
src/algorithms/libs/gps_sdr_signal_processing.cc
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@@ -83,7 +83,7 @@ void gps_l1_ca_code_gen_int(gsl::span<int32_t> _dest, int32_t _prn, uint32_t _ch
G2[lcv] = G2_register[0];
feedback1 = G1_register[7] ^ G1_register[0];
feedback2 = (G2_register[8] + G2_register[7] + G2_register[4] + G2_register[2] + G2_register[1] + G2_register[0]) & 0x1;
feedback2 = G2_register[8] xor G2_register[7] xor G2_register[4] xor G2_register[2] xor G2_register[1] xor G2_register[0];
for (lcv2 = 0; lcv2 < 9; lcv2++)
{