F5/unison
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix coding style

Browse Source
This commit is contained in:
Mathieu Lacage
2009-01-06 15:25:31 +01:00
parent 6966dcc4a3
commit 2bcbf6bbad
1 changed files with 65 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

118
src/devices/wifi/jakes-propagation-loss-model.cc
View File

@@ -31,8 +31,6 @@ NS_LOG_COMPONENT_DEFINE ("Jakes");
namespace ns3 {
class JakesPropagationLossModel::PathCoefficients
{
public:
@@ -68,9 +66,10 @@ JakesPropagationLossModel::PathCoefficients::PathCoefficients (Ptr<const JakesPr
JakesPropagationLossModel::PathCoefficients::~PathCoefficients ()
{
for (uint8_t i = 0; i < m_nRays; i++) {
delete [] m_phases[i];
}
for (uint8_t i = 0; i < m_nRays; i++)
{
delete [] m_phases[i];
}
delete [] m_phases;
}
@@ -78,12 +77,14 @@ void
JakesPropagationLossModel::PathCoefficients::DoConstruct ()
{
m_phases = new double*[m_nRays];
for (uint8_t i = 0; i < m_nRays; i++) {
m_phases[i] = new double[m_nOscillators + 1];
for (uint8_t j = 0; j <= m_nOscillators; j++) {
m_phases[i][j] = 2.0 * JakesPropagationLossModel::PI * m_jakes->m_variable.GetValue ();
for (uint8_t i = 0; i < m_nRays; i++)
{
m_phases[i] = new double[m_nOscillators + 1];
for (uint8_t j = 0; j <= m_nOscillators; j++)
{
m_phases[i][j] = 2.0 * JakesPropagationLossModel::PI * m_jakes->m_variable.GetValue ();
}
}
}
m_lastUpdate = Simulator::Now ();
}
@@ -101,19 +102,23 @@ JakesPropagationLossModel::PathCoefficients::GetLoss (void)
ComplexNumber coef= {0.0, 0.0};
ComplexNumber fading;
double norm = 0.0;
for (uint8_t i = 0; i < m_nRays; i++) {
fading.real = 0.0;
fading.imag = 0.0;
for (uint8_t j = 0; j <= m_nOscillators; j++) {
m_phases[i][j] += 2.0 * JakesPropagationLossModel::PI * cos (2.0 * JakesPropagationLossModel::PI * j / N) * m_jakes->m_fd * interval.GetSeconds ();
m_phases[i][j] -= 2.0 * JakesPropagationLossModel::PI * floor (m_phases[i][j] / 2.0 / JakesPropagationLossModel::PI);
fading.real += m_jakes->m_amp[j].real * cos (m_phases[i][j]);
fading.imag += m_jakes->m_amp[j].imag * cos (m_phases[i][j]);
norm += sqrt(pow (m_jakes->m_amp[j].real, 2) + pow(m_jakes->m_amp[j].imag, 2));
}
for (uint8_t i = 0; i < m_nRays; i++)
{
fading.real = 0.0;
fading.imag = 0.0;
for (uint8_t j = 0; j <= m_nOscillators; j++)
{
m_phases[i][j] += 2.0 * JakesPropagationLossModel::PI *
cos (2.0 * JakesPropagationLossModel::PI * j / N) * m_jakes->m_fd * interval.GetSeconds ();
m_phases[i][j] -= 2.0 * JakesPropagationLossModel::PI *
floor (m_phases[i][j] / 2.0 / JakesPropagationLossModel::PI);
fading.real += m_jakes->m_amp[j].real * cos (m_phases[i][j]);
fading.imag += m_jakes->m_amp[j].imag * cos (m_phases[i][j]);
norm += sqrt(pow (m_jakes->m_amp[j].real, 2) + pow(m_jakes->m_amp[j].imag, 2));
}
coef.real += fading.real;
coef.imag += fading.imag;
}
}
m_lastUpdate = Simulator::Now ();
double k = sqrt (pow (coef.real, 2) + pow (coef.imag, 2)) / norm;
NS_LOG_DEBUG ("Jakes coef "<< k << " (" << 10 * log10 (k) << "dB)");
@@ -136,7 +141,8 @@ JakesPropagationLossModel::GetTypeId (void)
MakeUintegerAccessor (&JakesPropagationLossModel::m_nRays),
MakeUintegerChecker<uint8_t> ())
.AddAttribute ("NumberOfOscillatorsPerRay",
"The number of oscillators to use by default for compute the coeficent for a given ray of a given path (default is 4)",
"The number of oscillators to use by default for compute the coeficent for a given ray of a given "
"path (default is 4)",
UintegerValue (4),
MakeUintegerAccessor (&JakesPropagationLossModel::m_nOscillators),
MakeUintegerChecker<uint8_t> ())
@@ -162,14 +168,16 @@ JakesPropagationLossModel::JakesPropagationLossModel ()
JakesPropagationLossModel::~JakesPropagationLossModel ()
{
delete [] m_amp;
for (PathsList::iterator i = m_paths.end (); i != m_paths.begin (); i--) {
PathsSet *ps = *i;
for (DestinationList::iterator r = ps->receivers.begin (); r != ps->receivers.end (); r++) {
PathCoefficients *pc = *r;
delete pc;
for (PathsList::iterator i = m_paths.end (); i != m_paths.begin (); i--)
{
PathsSet *ps = *i;
for (DestinationList::iterator r = ps->receivers.begin (); r != ps->receivers.end (); r++)
{
PathCoefficients *pc = *r;
delete pc;
}
delete ps;
}
delete ps;
}
}
void
@@ -179,11 +187,12 @@ JakesPropagationLossModel::DoConstruct ()
m_amp = new ComplexNumber[m_nOscillators + 1];
m_amp[0].real = 2.0 * sqrt(2.0 / N) * cos (PI / 4.0);
m_amp[0].imag = 2.0 * sqrt(2.0 / N) * sin (PI / 4.0);
for (uint8_t i = 1; i <= m_nOscillators; i++) {
double beta = PI * (double)i / m_nOscillators;
m_amp[i].real = 4.0 * cos (beta) / sqrt(N);
m_amp[i].imag = 4.0 * sin (beta) / sqrt(N);
}
for (uint8_t i = 1; i <= m_nOscillators; i++)
{
double beta = PI * (double)i / m_nOscillators;
m_amp[i].real = 4.0 * cos (beta) / sqrt(N);
m_amp[i].imag = 4.0 * sin (beta) / sqrt(N);
}
}
void
@@ -203,25 +212,29 @@ JakesPropagationLossModel::DoGetLoss (Ptr<MobilityModel> a,
Ptr<MobilityModel> b) const
{
PathsList::iterator i = m_paths.end ();
while (i != m_paths.begin ()) {
i--;
PathsSet *ps = *i;
if (PeekPointer (ps->sender) == PeekPointer(a)) {
m_paths.erase (i);
m_paths.push_back (ps);
for (DestinationList::iterator r = ps->receivers.begin (); r != ps->receivers.end (); r++) {
PathCoefficients *pc = *r;
if (PeekPointer (pc->GetReceiver ()) == PeekPointer (b)) {
ps->receivers.erase (r);
ps->receivers.push_back (pc);
return pc->GetLoss ();
}
}
PathCoefficients *pc = new PathCoefficients (this, b, m_nRays, m_nOscillators);
ps->receivers.push_back (pc);
return pc->GetLoss ();
while (i != m_paths.begin ())
{
i--;
PathsSet *ps = *i;
if (PeekPointer (ps->sender) == PeekPointer(a))
{
m_paths.erase (i);
m_paths.push_back (ps);
for (DestinationList::iterator r = ps->receivers.begin (); r != ps->receivers.end (); r++)
{
PathCoefficients *pc = *r;
if (PeekPointer (pc->GetReceiver ()) == PeekPointer (b))
{
ps->receivers.erase (r);
ps->receivers.push_back (pc);
return pc->GetLoss ();
}
}
PathCoefficients *pc = new PathCoefficients (this, b, m_nRays, m_nOscillators);
ps->receivers.push_back (pc);
return pc->GetLoss ();
}
}
}
PathsSet *ps = new PathsSet;
ps->sender = a;
PathCoefficients *pc = new PathCoefficients (this, b, m_nRays, m_nOscillators);
@@ -230,6 +243,5 @@ JakesPropagationLossModel::DoGetLoss (Ptr<MobilityModel> a,
return pc->GetLoss ();
}
} // namespace ns3