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nec2c.c
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nec2c.c
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/******* Translated to the C language by N. Kyriazis 20 Aug 2003 *******/
/* */
/* Program NEC(input,tape5=input,output,tape11,tape12,tape13,tape14, */
/* tape15,tape16,tape20,tape21) */
/* */
/* Numerical Electromagnetics Code (NEC2) developed at Lawrence */
/* Livermore lab., Livermore, CA. (contact G. Burke at 415-422-8414 */
/* for problems with the NEC code. For problems with the vax implem- */
/* entation, contact J. Breakall at 415-422-8196 or E. Domning at 415 */
/* 422-5936) */
/* file created 4/11/80. */
/* */
/* ***********Notice********** */
/* This computer code material was prepared as an account of work */
/* sponsored by the United States government. Neither the United */
/* States nor the United States Department Of Energy, nor any of */
/* their employees, nor any of their contractors, subcontractors, */
/* or their employees, makes any warranty, express or implied, or */
/* assumes any legal liability or responsibility for the accuracy, */
/* completeness or usefulness of any information, apparatus, product */
/* or process disclosed, or represents that its use would not infringe */
/* privately-owned rights. */
/* */
/************************************************************************/
#include "nec2c.h"
/*** common data are implemented as global variables ***/
/* common /data/ */
int n, np, m, mp, ipsym, npm, np2m, np3m; /* n+m,n+2m,n+3m */
int *icon1, *icon2, *itag;
double *x, *y, *z, *si, *bi;
double *x2, *y2, *z2, *cab, *sab, *salp;
double *t1x, *t1y, *t1z, *t2x, *t2y, *t2z;
double *px, *py, *pz, *pbi, *psalp;
double wlam;
/* common /cmb/ */
complex double *cm;
/* common /matpar/ */
int icase, npblk, nlast;
int imat, nbbx, npbx, nlbx, nbbl, npbl, nlbl;
/* common /save/ */
int *ip;
double epsr, sig, scrwlt, scrwrt, fmhz;
/* common /crnt/ */
double *air, *aii, *bir, *bii, *cir, *cii;
complex double *cur;
/* common /gnd/ */
int ksymp, ifar, iperf, nradl;
double t2, cl, ch, scrwl, scrwr;
complex double zrati, zrati2, t1, frati;
/* common /zload/ */
int nload;
complex double *zarray;
/* common /yparm/ */
int ncoup, icoup, *nctag, *ncseg;
complex double *y11a, *y12a;
/* common /segj/ */
int *jco, jsno, nscon, maxcon; /* Max. no. connections */
double *ax, *bx, *cx;
/* common /vsorc/ */
int *ivqd, *isant, *iqds, nvqd, nsant, nqds;
complex double *vqd, *vqds, *vsant;
/* common /netcx/ */
int masym, neq, npeq, neq2, nonet, ntsol, nprint;
int *iseg1, *iseg2, *ntyp;
double *x11r, *x11i, *x12r;
double *x12i, *x22r, *x22i;
double pin, pnls;
complex double zped;
/* common /fpat/ */
int near, nfeh, nrx, nry, nrz, nth, nph, ipd, iavp, inor, iax, ixtyp;
double thets, phis, dth, dph, rfld, gnor, clt, cht, epsr2, sig2;
double xpr6, pinr, pnlr, ploss, xnr, ynr, znr, dxnr, dynr, dznr;
/*common /ggrid/ */
extern int nxa[3], nya[3];
extern double dxa[3], dya[3], xsa[3], ysa[3];
extern complex double epscf, *ar1, *ar2, *ar3;
/* common /gwav/ */
double r1, r2, zmh, zph;
complex double u, u2, xx1, xx2;
/* common /plot/ */
int iplp1, iplp2, iplp3, iplp4;
/* common /dataj/ */
int iexk, ind1, indd1, ind2, indd2, ipgnd;
double s, b, xj, yj, zj, cabj, sabj, salpj, rkh;
double t1xj, t1yj, t1zj, t2xj, t2yj, t2zj;
complex double exk, eyk, ezk, exs, eys, ezs, exc, eyc, ezc;
/* common /smat/ */
int nop; /* My addition */
complex double *ssx;
/* common /incom/ */
int isnor;
double xo, yo, zo, sn, xsn, ysn;
/* common /tmi/ */
int ija; /* changed to ija to avoid conflict */
double zpk, rkb2;
/*common /tmh/ */
double zpka, rhks;
/* pointers to input/output files */
FILE *input_fp=NULL, *output_fp=NULL, *plot_fp=NULL;
/* signal handler */
static void sig_handler( int signal );
/*-------------------------------------------------------------------*/
int main( int argc, char **argv )
{
char infile[81] = "", otfile[81] = "";
char ain[3], line_buf[81];
/* input card mnemonic list */
/* "XT" stands for "exit", added for testing */
#define CMD_NUM 20
char *atst[CMD_NUM] =
{
"FR", "LD", "GN", "EX", "NT", "TL", \
"XQ", "GD", "RP", "NX", "PT", "KH", \
"NE", "NH", "PQ", "EK", "CP", "PL", \
"EN", "WG"
};
char *hpol[3] = { "LINEAR", "RIGHT", "LEFT" };
char *pnet[3] = { " ", "STRAIGHT", " CROSSED" };
int *ldtyp, *ldtag, *ldtagf, *ldtagt;
int ifrtmw, ifrtmp, mpcnt, ib11=0, ic11=0, id11=0, ix11, igo, nfrq;
int iexk, jump, iptflg, iptflq, iped, iflow, itmp1, iresrv;
int itmp3, itmp2, itmp4, nthi=0, nphi=0, iptag=0, iptagf=0, iptagt=0;
int iptaq=0, iptaqf=0, iptaqt=0, nphic=0, inc=0;
int i, j, itmp5, nthic=0, mhz=0, ifrq=0, isave=0;
int
igox, /* used in place of "igo" in freq loop */
next_job, /* start next job (next sructure) flag */
idx, /* general purpose index */
ain_num, /* ain mnemonic as a number */
jmp_iloop, /* jump to input loop flag */
jmp_floop=0,/* jump to freq. loop flag */
mreq; /* Size req. for malloc's */
double *zlr, *zli, *zlc, *fnorm;
double *xtemp, *ytemp, *ztemp, *sitemp, *bitemp;
double fmhz1, rkh, tmp1, delfrq=0., tmp2, tmp3, tmp4, tmp5, tmp6;
double xpr1=0., xpr2=0., xpr3=0., xpr4=0., xpr5=0.;
double zpnorm=0., thetis=0., phiss=0., extim;
double tim1, tim, tim2, etha, fr, fr2, cmag, ph, ethm, ephm, epha;
complex double eth, eph, curi, ex, ey, ez, epsc;
/* getopt() variables */
extern char *optarg;
extern int optind, opterr, optopt;
int option;
/*** signal handler related code ***/
/* new and old actions for sigaction() */
struct sigaction sa_new, sa_old;
/* initialize new actions */
sa_new.sa_handler = sig_handler;
sigemptyset( &sa_new.sa_mask );
sa_new.sa_flags = 0;
/* register function to handle signals */
sigaction( SIGINT, &sa_new, &sa_old );
sigaction( SIGSEGV, &sa_new, 0 );
sigaction( SIGFPE, &sa_new, 0 );
sigaction( SIGTERM, &sa_new, 0 );
sigaction( SIGABRT, &sa_new, 0 );
/*** command line arguments handler ***/
if( argc == 1 )
{
usage();
exit(-1);
}
/* process command line options */
while( (option = getopt(argc, argv, "i:o:hv") ) != -1 )
{
switch( option )
{
case 'i' : /* specify input file name */
if( strlen(optarg) > 75 )
abort_on_error(-1);
strcpy( infile, optarg );
break;
case 'o' : /* specify output file name */
if( strlen(optarg) > 75 )
abort_on_error(-2);
strcpy( otfile, optarg );
break;
case 'h' : /* print usage and exit */
usage();
exit(0);
case 'v' : /* print nec2c version */
puts( version );
exit(0);
default: /* print usage and exit */
usage();
exit(-1);
} /* end of switch( option ) */
} /* while( (option = getopt(argc, argv, "i:o:hv") ) != -1 ) */
/*** open input file ***/
if( (input_fp = fopen(infile, "r")) == NULL )
{
char mesg[88] = "nec2c: ";
strcat( mesg, infile );
perror( mesg );
exit(-1);
}
/* make an output file name if not */
/* specified by user on invocation */
if( strlen( otfile ) == 0 )
{
/* strip file name extension if there is one */
idx = 0;
while( (infile[++idx] != '.') && (infile[idx] != '\0') );
infile[idx] = '\0';
/* make the output file name */
strcpy( otfile, infile );
}
/* add extension */
strcat( otfile, ".out" );
/* open output file */
if( (output_fp = fopen(otfile, "w")) == NULL )
{
char mesg[88] = "nec2c: ";
strcat( mesg, otfile );
perror( mesg );
exit(-1);
}
/*** here we had code to read interactively input/output ***/
/*** file names. this is done non-interactively above. ***/
secnds( &extim );
/* Null buffer pointers */
/* type int */
icon1 = icon2 = ncseg = nctag = ivqd = isant = iqds = NULL;
itag = ip = ldtyp = ldtag = ldtagf = ldtagt = jco = NULL;
/* type double */
air = aii = bir = bii = cir = cii = zlr = zli = zlc = fnorm = NULL;
ax = bx = cx = xtemp = ytemp = ztemp = sitemp = bitemp = NULL;
x = y = z = si = bi = x2 = y2 = z2 = cab = sab = salp = NULL;
t1x = t1y = t1z = t2x = t2y = t2z = px = py = pz = pbi = psalp = NULL;
/* type complex double */
ar1 = ar2 = ar3 = cur = cm = zarray = NULL;
y11a = y12a = vqd = vqds = vsant = ssx = NULL;
/* Allocate some buffers */
mem_alloc( (void *)&ar1, sizeof(complex double)*11*10*4 );
mem_alloc( (void *)&ar2, sizeof(complex double)*17*5*4 );
mem_alloc( (void *)&ar3, sizeof(complex double)*9*8*4 );
/* l_1: */
/* main execution loop, exits at various points */
/* depending on error conditions or end of jobs */
while( TRUE )
{
ifrtmw=0;
ifrtmp=0;
/* print the nec2c header to output file */
fprintf( output_fp, "\n\n\n"
" "
" __________________________________________\n"
" "
"| |\n"
" "
"| NUMERICAL ELECTROMAGNETICS CODE (nec2c) |\n"
" "
"| Translated to 'C' in Double Precision |\n"
" "
"|__________________________________________|\n" );
/* read a line from input file */
if( load_line(line_buf, input_fp) == EOF )
abort_on_error(-3);
/* separate card's id mnemonic */
strncpy( ain, line_buf, 2 );
ain[2] = '\0';
/* If its an "XT" card, exit (used for debugging) */
if( strcmp(ain, "XT") == 0 )
{
fprintf( stderr,
"\nnec2c: Exiting after an \"XT\" command in main()\n" );
fprintf( output_fp,
"\n\n nec2c: Exiting after an \"XT\" command in main()" );
stop(0);
}
/* if its a "cm" or "ce" card start reading comments */
if( (strcmp(ain, "CM") == 0) ||
(strcmp(ain, "CE") == 0) )
{
fprintf( output_fp, "\n\n\n"
" "
"---------------- COMMENTS ----------------\n" );
/* write comment to output file */
fprintf( output_fp,
" %s\n",
&line_buf[2] );
/* Keep reading till a non "CM" card */
while( strcmp(ain, "CM") == 0 )
{
/* read a line from input file */
if( load_line(line_buf, input_fp) == EOF )
abort_on_error(-3);
/* separate card's id mnemonic */
strncpy( ain, line_buf, 2 );
ain[2] = '\0';
/* write comment to output file */
fprintf( output_fp,
" %s\n",
&line_buf[2] );
} /* while( strcmp(ain, "CM") == 0 ) */
/* no "ce" card at end of comments */
if( strcmp(ain, "CE") != 0 )
{
fprintf( output_fp,
"\n\n ERROR: INCORRECT LABEL FOR A COMMENT CARD" );
abort_on_error(-4);
}
} /* if( strcmp(ain, "CM") == 0 ... */
else
rewind( input_fp );
/* Free some buffer pointers.
* These are allocated by realloc()
* so they need to be free()'d
* before reallocation for a new job
*/
free_ptr( (void *)&itag );
free_ptr( (void *)&fnorm );
free_ptr( (void *)&ldtyp );
free_ptr( (void *)&ldtag );
free_ptr( (void *)&ldtagf );
free_ptr( (void *)&ldtagt );
free_ptr( (void *)&zlr );
free_ptr( (void *)&zli );
free_ptr( (void *)&zlc );
free_ptr( (void *)&jco );
free_ptr( (void *)&ax );
free_ptr( (void *)&bx );
free_ptr( (void *)&cx );
free_ptr( (void *)&ivqd );
free_ptr( (void *)&iqds );
free_ptr( (void *)&vqd );
free_ptr( (void *)&vqds );
free_ptr( (void *)&isant );
free_ptr( (void *)&vsant );
free_ptr( (void *)&x );
free_ptr( (void *)&y );
free_ptr( (void *)&z );
free_ptr( (void *)&x2 );
free_ptr( (void *)&y2 );
free_ptr( (void *)&z2 );
free_ptr( (void *)&px );
free_ptr( (void *)&py );
free_ptr( (void *)&pz );
free_ptr( (void *)&t1x );
free_ptr( (void *)&t1y );
free_ptr( (void *)&t1z );
free_ptr( (void *)&t2x );
free_ptr( (void *)&t2y );
free_ptr( (void *)&t2z );
free_ptr( (void *)&si );
free_ptr( (void *)&bi );
free_ptr( (void *)&cab );
free_ptr( (void *)&sab );
free_ptr( (void *)&salp );
free_ptr( (void *)&pbi );
free_ptr( (void *)&psalp );
/* initializations etc from original fortran code */
mpcnt=0;
imat=0;
/* set up geometry data in subroutine datagn */
datagn();
iflow=1;
/* Allocate some buffers */
mreq = npm * sizeof(double);
mem_alloc( (void *)&air, mreq );
mem_alloc( (void *)&aii, mreq );
mem_alloc( (void *)&bir, mreq );
mem_alloc( (void *)&bii, mreq );
mem_alloc( (void *)&cir, mreq );
mem_alloc( (void *)&cii, mreq );
mem_alloc( (void *)&xtemp, mreq );
mem_alloc( (void *)&ytemp, mreq );
mem_alloc( (void *)&ztemp, mreq );
mem_alloc( (void *)&sitemp, mreq );
mem_alloc( (void *)&bitemp, mreq );
mreq = np2m * sizeof(int);
mem_alloc( (void *)&ip, mreq );
mreq = np3m * sizeof( complex double);
mem_alloc( (void *)&cur, mreq );
/* Matrix parameters */
if( imat == 0)
{
neq= n+2*m;
neq2=0;
ib11=0;
ic11=0;
id11=0;
ix11=0;
}
fprintf( output_fp, "\n\n\n" );
/* default values for input parameters and flags */
npeq= np+2*mp;
iplp1=0;
iplp2=0;
iplp3=0;
iplp4=0;
igo=1;
nfrq=1;
rkh=1.;
iexk=0;
ixtyp=0;
nload=0;
nonet=0;
near=-1;
iptflg=-2;
iptflq=-1;
ifar=-1;
zrati=CPLX_10;
iped=0;
ncoup=0;
icoup=0;
fmhz= CVEL;
ksymp=1;
nradl=0;
iperf=0;
/* l_14: */
/* main input section, exits at various points */
/* depending on error conditions or end of job */
next_job = FALSE;
while( ! next_job )
{
jmp_iloop = FALSE;
/* main input section - standard read statement - jumps */
/* to appropriate section for specific parameter set up */
readmn( ain, &itmp1, &itmp2, &itmp3, &itmp4,
&tmp1, &tmp2, &tmp3, &tmp4, &tmp5, &tmp6 );
/* If its an "XT" card, exit */
if( strcmp(ain, "XT" ) == 0 )
{
fprintf( stderr,
"\nnec2c: Exiting after an \"XT\" command in main()\n" );
fprintf( output_fp,
"\n\n nec2c: Exiting after an \"XT\" command in main()" );
stop(0);
}
mpcnt++;
fprintf( output_fp,
"\n DATA CARD No: %3d "
"%s %3d %5d %5d %5d %12.5E %12.5E %12.5E %12.5E %12.5E %12.5E",
mpcnt, ain, itmp1, itmp2, itmp3, itmp4,
tmp1, tmp2, tmp3, tmp4, tmp5, tmp6 );
/* identify card id mnemonic (except "ce" and "cm") */
for( ain_num = 0; ain_num < CMD_NUM; ain_num++ )
if( strncmp( ain, atst[ain_num], 2) == 0 )
break;
/* take action according to card id mnemonic */
switch( ain_num )
{
case 0: /* "fr" card, frequency parameters */
ifrq= itmp1;
nfrq= itmp2;
if( nfrq == 0)
nfrq=1;
fmhz= tmp1;
delfrq= tmp2;
if( iped == 1)
zpnorm=0.;
igo=1;
iflow=1;
continue; /* continue card input loop */
case 1: /* "ld" card, loading parameters */
{
int idx;
if( iflow != 3 )
{
iflow=3;
/* Free loading buffers */
nload=0;
free_ptr( (void *)&ldtyp );
free_ptr( (void *)&ldtag );
free_ptr( (void *)&ldtagf );
free_ptr( (void *)&ldtagt );
free_ptr( (void *)&zlr );
free_ptr( (void *)&zli );
free_ptr( (void *)&zlc );
if( igo > 2 )
igo=2;
if( itmp1 == -1 )
continue; /* continue card input loop */
}
/* Reallocate loading buffers */
nload++;
idx = nload * sizeof(int);
mem_realloc( (void *)&ldtyp, idx );
mem_realloc( (void *)&ldtag, idx );
mem_realloc( (void *)&ldtagf, idx );
mem_realloc( (void *)&ldtagt, idx );
idx = nload * sizeof(double);
mem_realloc( (void *)&zlr, idx );
mem_realloc( (void *)&zli, idx );
mem_realloc( (void *)&zlc, idx );
idx = nload-1;
ldtyp[idx]= itmp1;
ldtag[idx]= itmp2;
if( itmp4 == 0)
itmp4= itmp3;
ldtagf[idx]= itmp3;
ldtagt[idx]= itmp4;
if( itmp4 < itmp3 )
{
fprintf( output_fp,
"\n\n DATA FAULT ON LOADING CARD No: %d: ITAG "
"STEP1: %d IS GREATER THAN ITAG STEP2: %d",
nload, itmp3, itmp4 );
stop(-1);
}
zlr[idx]= tmp1;
zli[idx]= tmp2;
zlc[idx]= tmp3;
}
continue; /* continue card input loop */
case 2: /* "gn" card, ground parameters under the antenna */
iflow=4;
if( igo > 2)
igo=2;
if( itmp1 == -1 )
{
ksymp=1;
nradl=0;
iperf=0;
continue; /* continue card input loop */
}
iperf= itmp1;
nradl= itmp2;
ksymp=2;
epsr= tmp1;
sig= tmp2;
if( nradl != 0)
{
if( iperf == 2)
{
fprintf( output_fp,
"\n\n RADIAL WIRE G.S. APPROXIMATION MAY "
"NOT BE USED WITH SOMMERFELD GROUND OPTION" );
stop(-1);
}
scrwlt= tmp3;
scrwrt= tmp4;
continue; /* continue card input loop */
}
epsr2= tmp3;
sig2= tmp4;
clt= tmp5;
cht= tmp6;
continue; /* continue card input loop */
case 3: /* "ex" card, excitation parameters */
if( iflow != 5)
{
/* Free vsource buffers */
free_ptr( (void *)&ivqd );
free_ptr( (void *)&iqds );
free_ptr( (void *)&vqd );
free_ptr( (void *)&vqds );
free_ptr( (void *)&isant );
free_ptr( (void *)&vsant );
nsant=0;
nvqd=0;
iped=0;
iflow=5;
if( igo > 3)
igo=3;
}
masym= itmp4/10;
if( (itmp1 == 0) || (itmp1 == 5) )
{
ixtyp= itmp1;
ntsol=0;
if( ixtyp != 0)
{
nvqd++;
mem_realloc( (void *)&ivqd, nvqd * sizeof(int) );
mem_realloc( (void *)&iqds, nvqd * sizeof(int) );
mem_realloc( (void *)&vqd, nvqd * sizeof(complex double) );
mem_realloc( (void *)&vqds, nvqd * sizeof(complex double) );
{
int indx = nvqd-1;
ivqd[indx]= isegno( itmp2, itmp3);
vqd[indx]= cmplx( tmp1, tmp2);
if( cabs( vqd[indx]) < 1.e-20)
vqd[indx] = CPLX_10;
iped= itmp4- masym*10;
zpnorm= tmp3;
if( (iped == 1) && (zpnorm > 0.0) )
iped=2;
continue; /* continue card input loop */
}
} /* if( ixtyp != 0) */
nsant++;
mem_realloc( (void *)&isant, nsant * sizeof(int) );
mem_realloc( (void *)&vsant, nsant * sizeof(complex double) );
{
int indx = nsant-1;
isant[indx]= isegno( itmp2, itmp3);
vsant[indx]= cmplx( tmp1, tmp2);
if( cabs( vsant[indx]) < 1.e-20)
vsant[indx] = CPLX_10;
iped= itmp4- masym*10;
zpnorm= tmp3;
if( (iped == 1) && (zpnorm > 0.0) )
iped=2;
continue; /* continue card input loop */
}
} /* if( (itmp1 <= 0) || (itmp1 == 5) ) */
if( (ixtyp == 0) || (ixtyp == 5) )
ntsol=0;
ixtyp= itmp1;
nthi= itmp2;
nphi= itmp3;
xpr1= tmp1;
xpr2= tmp2;
xpr3= tmp3;
xpr4= tmp4;
xpr5= tmp5;
xpr6= tmp6;
nsant=0;
nvqd=0;
thetis= xpr1;
phiss= xpr2;
continue; /* continue card input loop */
case 4: case 5: /* "nt" & "tl" cards, network parameters */
{
int idx;
if( iflow != 6)
{
nonet=0;
ntsol=0;
iflow=6;
/* Free network buffers */
free_ptr( (void *)&ntyp );
free_ptr( (void *)&iseg1 );
free_ptr( (void *)&iseg2 );
free_ptr( (void *)&x11r );
free_ptr( (void *)&x11i );
free_ptr( (void *)&x12r );
free_ptr( (void *)&x12i );
free_ptr( (void *)&x22r );
free_ptr( (void *)&x22i );
if( igo > 3)
igo=3;
if( itmp2 == -1 )
continue; /* continue card input loop */
}
/* Re-allocate network buffers */
nonet++;
idx = nonet * sizeof(int);
mem_realloc( (void *)&ntyp, idx );
mem_realloc( (void *)&iseg1, idx );
mem_realloc( (void *)&iseg2, idx );
idx = nonet * sizeof(double);
mem_realloc( (void *)&x11r, idx );
mem_realloc( (void *)&x11i, idx );
mem_realloc( (void *)&x12r, idx );
mem_realloc( (void *)&x12i, idx );
mem_realloc( (void *)&x22r, idx );
mem_realloc( (void *)&x22i, idx );
idx = nonet-1;
if( ain_num == 4 )
ntyp[idx]=1;
else
ntyp[idx]=2;
iseg1[idx]= isegno( itmp1, itmp2);
iseg2[idx]= isegno( itmp3, itmp4);
x11r[idx]= tmp1;
x11i[idx]= tmp2;
x12r[idx]= tmp3;
x12i[idx]= tmp4;
x22r[idx]= tmp5;
x22i[idx]= tmp6;
if( (ntyp[idx] == 1) || (tmp1 > 0.) )
continue; /* continue card input loop */
ntyp[idx]=3;
x11r[idx]=- tmp1;
continue; /* continue card input loop */
}
case 6: /* "xq" execute card - calc. including radiated fields */
if( ((iflow == 10) && (itmp1 == 0)) ||
((nfrq == 1) && (itmp1 == 0) && (iflow > 7)) )
continue; /* continue card input loop */
if( itmp1 == 0)
{
if( iflow > 7)
iflow=11;
else
iflow=7;
}
else
{
ifar=0;
rfld=0.;
ipd=0;
iavp=0;
inor=0;
iax=0;
nth=91;
nph=1;
thets=0.;
phis=0.;
dth=1.0;
dph=0.;
if( itmp1 == 2)
phis=90.;
if( itmp1 == 3)
{
nph=2;
dph=90.;
}
} /* if( itmp1 == 0) */
break;
case 7: /* "gd" card, ground representation */
epsr2= tmp1;
sig2= tmp2;
clt= tmp3;
cht= tmp4;
iflow=9;
continue; /* continue card input loop */
case 8: /* "rp" card, standard observation angle parameters */
ifar= itmp1;
nth= itmp2;
nph= itmp3;
if( nth == 0)
nth=1;
if( nph == 0)
nph=1;
ipd= itmp4/10;
iavp= itmp4- ipd*10;
inor= ipd/10;
ipd= ipd- inor*10;
iax= inor/10;
inor= inor- iax*10;
if( iax != 0)
iax=1;
if( ipd != 0)
ipd=1;
if( (nth < 2) || (nph < 2) || (ifar == 1) )
iavp=0;
thets= tmp1;
phis= tmp2;
dth= tmp3;
dph= tmp4;
rfld= tmp5;
gnor= tmp6;
iflow=10;
break;
case 9: /* "nx" card, do next job */
next_job = TRUE;
continue; /* continue card input loop */
case 10: /* "pt" card, print control for current */
iptflg= itmp1;
iptag= itmp2;
iptagf= itmp3;
iptagt= itmp4;
if( (itmp3 == 0) && (iptflg != -1) )
iptflg=-2;
if( itmp4 == 0)
iptagt= iptagf;
continue; /* continue card input loop */
case 11: /* "kh" card, matrix integration limit */
rkh= tmp1;
if( igo > 2)
igo=2;
iflow=1;
continue; /* continue card input loop */
case 12: case 13: /* "ne"/"nh" cards, near field calculation parameters */
if( ain_num == 13 )
nfeh=1;
else
nfeh=0;
if( (iflow == 8) && (nfrq != 1) )
{
fprintf( output_fp,
"\n\n WHEN MULTIPLE FREQUENCIES ARE REQUESTED, "
"ONLY ONE NEAR FIELD CARD CAN BE USED -"
"\n LAST CARD READ WILL BE USED" );
}
near= itmp1;
nrx= itmp2;
nry= itmp3;
nrz= itmp4;
xnr= tmp1;
ynr= tmp2;
znr= tmp3;
dxnr= tmp4;
dynr= tmp5;
dznr= tmp6;
iflow=8;
if( nfrq != 1)
continue; /* continue card input loop */
break;
case 14: /* "pq" card, write control for charge */
iptflq= itmp1;
iptaq= itmp2;
iptaqf= itmp3;
iptaqt= itmp4;
if( (itmp3 == 0) && (iptflq != -1) )
iptflq=-2;
if( itmp4 == 0)
iptaqt= iptaqf;
continue; /* continue card input loop */
case 15: /* "ek" card, extended thin wire kernel option */
iexk=1;
if( itmp1 == -1)
iexk=0;
if( igo > 2)
igo=2;
iflow=1;
continue; /* continue card input loop */
case 16: /* "cp" card, maximum coupling between antennas */
if( iflow != 2)
{
ncoup=0;
free_ptr( (void *)&nctag );
free_ptr( (void *)&ncseg );
free_ptr( (void *)&y11a );
free_ptr( (void *)&y12a );
}
icoup=0;
iflow=2;
if( itmp2 == 0)
continue; /* continue card input loop */
ncoup++;
mem_realloc( (void *)&nctag, (ncoup) * sizeof(int) );
mem_realloc( (void *)&ncseg, (ncoup) * sizeof(int) );
nctag[ncoup-1]= itmp1;
ncseg[ncoup-1]= itmp2;
if( itmp4 == 0)
continue; /* continue card input loop */
ncoup++;
mem_realloc( (void *)&nctag, (ncoup) * sizeof(int) );
mem_realloc( (void *)&ncseg, (ncoup) * sizeof(int) );