📄 total_power3.c
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Thits32 = fct_caltpts(Phitijk, Phitjk, planes , nplanes , material , &tflag32 , Phit_nt);
Thits33 = fct_caltpts(Phitjk, Phitk, planes , nplanes , material , &tflag33 , Phit_nt);
Thits34 = fct_caltpts(Phitk, RX , planes , nplanes , material , &tflag34 , Phit_nt);
nb_pts = (tflag31+tflag32+tflag33+tflag34+5);
path3 = mxMalloc(nb_pts*5*sizeof(double));
path3[0] = TX[0];
path3[1] = TX[1];
path3[2] = TX[2];
path3[3] = 0.0;
path3[4] = 0.0;
indice = (tflag31+1)*5;
for(j = 5 ; j < indice ; j++)
{
path3[j] = Thits31[j - 5];
}
path3[0 + indice] = Phitijk[0];
path3[1 + indice] = Phitijk[1];
path3[2 + indice] = Phitijk[2];
path3[3 + indice] = rpath3[3 + id];
path3[4 + indice] = rpath3[4 + id];
ind = (tflag31+2)*5;
indice = (tflag31+tflag32 + 2)*5;
for(j = ind; j <indice ; j++)
{
path3[j] = Thits32[j - ind];
}
path3[0 + indice] = Phitjk[0];
path3[1 + indice] = Phitjk[1];
path3[2 + indice] = Phitjk[2];
path3[3 + indice] = rpath3[8 + id];
path3[4 + indice] = rpath3[9 + id];
ind = (tflag31+tflag32+3)*5;
indice = (tflag31+tflag32+tflag33+3)*5;
for(j = ind; j < indice ; j++)
{
path3[j] = Thits33[j - ind];
}
path3[0 + indice] = Phitk[0];
path3[1 + indice] = Phitk[1];
path3[2 + indice] = Phitk[2];
path3[3 + indice] = rpath3[13 + id];
path3[4 + indice] = rpath3[14 + id];
ind = (tflag31+tflag32+tflag33+4)*5;
indice = (tflag31+tflag32+tflag33+tflag34+4)*5;
for(j = ind ; j < indice; j++)
{
path3[j] = Thits34[j - ind];
}
path3[0 + indice] = RX[0];
path3[1 + indice] = RX[1];
path3[2 + indice] = RX[2];
path3[3 + indice] = 0.0;
path3[4 + indice] = 0.0;
compute_distloss(path3 , nb_pts , planes , material , fc , flp_scale , currentpath , distance , lossfac);
if(Thits31 != NULL)
{
free(Thits31);
Thits31 = NULL;
}
if(Thits32 != NULL)
{
free(Thits32);
Thits32= NULL;
}
if(Thits33 != NULL)
{
free(Thits33);
Thits33 = NULL;
}
if(Thits34 != NULL)
{
free(Thits34);
Thits34 = NULL;
}
if(path3 != NULL)
{
mxFree(path3);
path3 = NULL;
}
}
// Compute final Value //
temp = 0.0;
for (i = 0 ; i < npath ; i++)
{
temp += (lossfac[i]*lossfac[i]);
}
rs_amp[n + ld] = sqrt(temp);
if(rpath1 !=NULL)
{
mxFree(rpath1);
rpath1 = NULL;
}
if(rpath2 !=NULL)
{
mxFree(rpath2);
rpath2 = NULL;
}
if(rpath3 !=NULL)
{
mxFree(rpath3);
rpath3 = NULL;
}
if(nr == 0 )
{
mxFree(path1);
mxFree(path2);
mxFree(path3);
path1 = path2 = path3 = NULL;
}
if(nr == 1 )
{
mxFree(path2);
mxFree(path3);
path2 = path3 = NULL;
}
if(nr == 2 )
{
mxFree(path3);
path3 = NULL;
}
if(distance != NULL)
{
mxFree(distance);
distance = NULL;
}
if(lossfac != NULL)
{
mxFree(lossfac);
lossfac = NULL;
}
}
}
mxFree(TX_i);
mxFree(TX_j);
mxFree(TX_k);
mxFree(Phiti);
mxFree(Phitj);
mxFree(Phitij);
mxFree(Phitk);
mxFree(Phitjk);
mxFree(Phitijk);
mxFree(Phit_nt);
mxFree(TX);
mxFree(RX);
}
/* ------------------------------------------------------------------------------------------------------------------------------------------------------------ */
void compute_distloss(double *path , int num_pts , double *planes , double *material , double fc , double flp_scale , int currentpath , double *distance , double *lossfac)
{
int j , jd , flagP2 , ind , ind1 , ind2;
double P1P2x , P1P2y , P1P2z , dj , loss_jreal , loss_jimag , epsreal, epsimag , uy;
double lossreal = 1.0, lossimag = 0.0 , tmp1 , tmp2 , tmp;
double Vd , vs , vs2;
double x1 , x2 , y1 , y2 , x3 , y3 , x4 , y4 , x5 , y5 , r1 , r2;
double lambda , Ao , cte = 1.0/flp_scale;
lambda = c/fc;
Ao = lambda/(4.0*PI);
distance[currentpath] = 0.0;
lossfac[currentpath] = 1.0;
for (j = 0 ; j < num_pts - 1 ; j++)
{
jd = j*5;
P1P2x = path[5 + jd] - path[0 + jd];
P1P2y = path[6 + jd] - path[1 + jd];
P1P2z = path[7 + jd] - path[2 + jd];
jd += 5;
flagP2 = (int)path[4 + jd];
ind = (int)path[3 + jd];
ind1 = ind*22;
uy = planes[13 + ind1];
dj = sqrt(P1P2x*P1P2x + P1P2y*P1P2y + P1P2z*P1P2z);
loss_jreal = 1.0;
loss_jimag = 0.0;
if( (flagP2 == 1))
{
ind2 = ind*6;
epsreal = material[4 + ind2];
epsimag = -60.0*lambda*material[5 + ind2];
tmp = 1.0/dj;
Vd = planes[12 + ind1]*P1P2x*tmp + uy*P1P2y*tmp + planes[14 + ind1]*P1P2z*tmp;
vs = fabs(Vd);
vs2 = vs*vs;
x1 = epsreal - (1.0 - vs2);
y1 = epsimag;
r1 = sqrt(x1*x1 + y1*y1);
x2 = sqrt((r1 + x1)*0.5);
y2 = y1/(2.0*x2);
if(fabs(uy) > 0.5)
{
x3 = epsreal*vs - x2;
y3 = epsimag*vs - y2;
x4 = epsreal*vs + x2;
y4 = epsimag*vs + y2;
r2 = 1.0/(x4*x4 + y4*y4);
loss_jreal = (x3*x4 + y3*y4)*r2;
loss_jimag = (y3*x4 - x3*y4)*r2;
}
else
{
x3 = vs - x2;
y3 = -y2;
x4 = vs + x2;
y4 = y2;
r2 = 1.0/(x4*x4 + y4*y4);
loss_jreal = (x3*x4 + y3*y4)*r2;
loss_jimag = (y3*x4 - x3*y4)*r2;
}
}
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