/*** 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 /cmb/ */ complex double *cm; /* common /crnt/ */ crnt_t crnt; /* common /data/ */ data_t data; /*common /ggrid/ */ extern ggrid_t ggrid; /* common /gnd/ */ gnd_t gnd; /* common /matpar/ */ matpar_t matpar; /* common /netcx/ */ netcx_t netcx; /* common /save/ */ save_t save; /* common /segj/ */ segj_t segj; /* common /yparm/ */ yparm_t yparm; /* common /zload/ */ zload_t zload; /* common /vsorc/ */ vsorc_t vsorc; /* common /fpat/ */ fpat_t fpat; /* common /gwav/ */ gwav_t gwav; /* common /plot/ */ plot_t plot; /* common /smat/ */ smat_t smat; /* pointers to input/output files */ FILE *input_fp = NULL, *output_fp = NULL, *plot_fp = NULL; #if defined USE_SIGHANDLER_CODE /* signal handler */ static void sig_handler(int signal); #endif /*-------------------------------------------------------------------*/ int main(int argc, char **argv) { char infile[81] = "", otfile[81] = ""; char ain[3], line_buf[81]; /* input card mnemonic list */ #define NUM_CMNDS 20 char *atst[NUM_CMNDS] = {"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, igo, nfrq; int iexk, 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 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; #if defined USE_SIGHANDLER_CODE /*** 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); #endif /*** here we have code to read interactively input/output ***/ /*** file names for compatibility with 4nec2. ***/ /*** this is done non-interactively below if the user ***/ /*** provides one or more arguments ***/ if (argc == 1) { fgets(infile, 75, stdin); int i = strlen(infile); while (i > 0) { --i; if (infile[i] <= ' ') infile[i] = 0; else break; } fgets(otfile, 75, stdin); i = strlen(otfile); while (i > 0) { --i; if (otfile[i] <= ' ') otfile[i] = 0; else break; } printf("%s -i %s -o %s\n", argv[0], infile, otfile); } /* 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 from input file */ strcpy(otfile, infile); strcat(otfile, ".out"); /* add extension */ } /* open output file */ if ((output_fp = fopen(otfile, "w")) == NULL) { char mesg[88] = "nec2c: "; strcat(mesg, otfile); perror(mesg); exit(-1); } /* force the printing of 2 digit exponents in the C library. To enable this */ /* compile with -posix flag in makefile : e.g. "./configure CFLAGS=-posix" */ setenv("PRINTF_EXPONENT_DIGITS", "2", 1); secnds(&extim); /* Null local buffer pointers */ /* type int */ ldtyp = ldtag = ldtagf = ldtagt = NULL; /* type double */ zlr = zli = zlc = fnorm = NULL; xtemp = ytemp = ztemp = sitemp = bitemp = NULL; /* type complex double */ cm = NULL; /* Null global pointers */ Null_Pointers(); /* Allocate some buffers */ mem_alloc((void *)&ggrid.ar1, sizeof(complex double) * 11 * 10 * 4); mem_alloc((void *)&ggrid.ar2, sizeof(complex double) * 17 * 5 * 4); mem_alloc((void *)&ggrid.ar3, sizeof(complex double) * 9 * 8 * 4); /* Initialize ground grid parameters for somnec */ ggrid.nxa[0] = 11; ggrid.nxa[1] = 17; ggrid.nxa[2] = 9; ggrid.nya[0] = 10; ggrid.nya[1] = 5; ggrid.nya[2] = 8; ggrid.dxa[0] = .02; ggrid.dxa[1] = .05; ggrid.dxa[2] = .1; ggrid.dya[0] = .1745329252; ggrid.dya[1] = .0872664626; ggrid.dya[2] = .1745329252; ggrid.xsa[0] = 0.; ggrid.xsa[1] = .2; ggrid.xsa[2] = .2; ggrid.ysa[0] = 0.; ggrid.ysa[1] = 0.; ggrid.ysa[2] = .3490658504; /* 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, "1\n"); fprintf( output_fp, "\n\n\n" " " "*********************************************\n\n" " " " NUMERICAL ELECTROMAGNETICS CODE (nec2c)\n\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 a "cm" or "ce" card start reading comments */ if ((strcmp(ain, "CM") == 0) || (strcmp(ain, "CE") == 0)) { fprintf( output_fp, "\n\n\n\n" " " "- - - - COMMENTS - - - -\n\n\n"); char *s = &line_buf[2]; int i = strlen(s); while (i && s[i] == ' ') s[i--] = 0; /* write comment to output file */ if (i > 0) fprintf(output_fp, " %s\n", s); /* 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'; s = &line_buf[2]; int i = strlen(s); while (i && s[i] == ' ') s[i--] = 0; /* write comment to output file */ if (i > 0) fprintf( output_fp, " %s\n", s); } /* while( strcmp(ain, "CM") == 0 ) */ /* no "ce" card at end of comments */ if (strcmp(ain, "CE") != 0) { fprintf( output_fp, "\n\n INCORRECT LABEL FOR A COMMENT CARD"); abort_on_error(-4); } } /* if( strcmp(ain, "CM") == 0 ... */ else rewind(input_fp); /* initializations etc from original fortran code */ mpcnt = 0; matpar.imat = 0; /* set up geometry data in subroutine datagn */ datagn(); iflow = 1; /* Allocate some buffers */ mreq = data.npm * sizeof(double); mem_realloc((void *)&crnt.air, mreq); mem_realloc((void *)&crnt.aii, mreq); mem_realloc((void *)&crnt.bir, mreq); mem_realloc((void *)&crnt.bii, mreq); mem_realloc((void *)&crnt.cir, mreq); mem_realloc((void *)&crnt.cii, mreq); mem_realloc((void *)&xtemp, mreq); mem_realloc((void *)&ytemp, mreq); mem_realloc((void *)&ztemp, mreq); mem_realloc((void *)&sitemp, mreq); mem_realloc((void *)&bitemp, mreq); mreq = data.np2m * sizeof(int); mem_realloc((void *)&save.ip, mreq); mreq = data.np3m * sizeof(complex double); mem_realloc((void *)&crnt.cur, mreq); /* Matrix parameters */ if (matpar.imat == 0) { netcx.neq = data.n + 2 * data.m; netcx.neq2 = 0; } fprintf(output_fp, "\n\n\n"); /* default values for input parameters and flags */ netcx.npeq = data.np + 2 * data.mp; plot.iplp1 = 0; plot.iplp2 = 0; plot.iplp3 = 0; plot.iplp4 = 0; igo = 1; nfrq = 1; rkh = 1.; iexk = 0; fpat.ixtyp = 0; zload.nload = 0; netcx.nonet = 0; fpat.near = -1; iptflg = -2; iptflq = -1; gnd.ifar = -1; gnd.zrati = CPLX_10; iped = 0; yparm.ncoup = 0; yparm.icoup = 0; save.fmhz = CVEL; gnd.ksymp = 1; gnd.nradl = 0; gnd.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; if (feof(input_fp)) { next_job = TRUE; stop(0); } /* 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 " "%2s%4d %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 < NUM_CMNDS; 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; save.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 */ zload.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 */ zload.nload++; idx = zload.nload * sizeof(int); mem_realloc((void *)&ldtyp, idx); mem_realloc((void *)&ldtag, idx); mem_realloc((void *)&ldtagf, idx); mem_realloc((void *)&ldtagt, idx); idx = zload.nload * sizeof(double); mem_realloc((void *)&zlr, idx); mem_realloc((void *)&zli, idx); mem_realloc((void *)&zlc, idx); idx = zload.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", zload.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) { gnd.ksymp = 1; gnd.nradl = 0; gnd.iperf = 0; continue; /* continue card input loop */ } gnd.iperf = itmp1; gnd.nradl = itmp2; gnd.ksymp = 2; save.epsr = tmp1; save.sig = tmp2; if (gnd.nradl != 0) { if (gnd.iperf == 2) { fprintf( output_fp, "\n\n RADIAL WIRE G.S. APPROXIMATION MAY " "NOT BE USED WITH SOMMERFELD GROUND " "OPTION"); stop(-1); } save.scrwlt = tmp3; save.scrwrt = tmp4; continue; /* continue card input loop */ } fpat.epsr2 = tmp3; fpat.sig2 = tmp4; fpat.clt = tmp5; fpat.cht = tmp6; continue; /* continue card input loop */ case 3: /* "ex" card, excitation parameters */ if (iflow != 5) { /* Free vsource buffers */ free_ptr((void *)&vsorc.ivqd); free_ptr((void *)&vsorc.iqds); free_ptr((void *)&vsorc.vqd); free_ptr((void *)&vsorc.vqds); free_ptr((void *)&vsorc.isant); free_ptr((void *)&vsorc.vsant); vsorc.nsant = 0; vsorc.nvqd = 0; iped = 0; iflow = 5; if (igo > 3) igo = 3; } fpat.ixtyp = itmp1; netcx.masym = itmp4 / 10; if ((itmp1 == 0) || (itmp1 == 5)) { netcx.ntsol = 0; if (fpat.ixtyp == 5) { vsorc.nvqd++; mem_realloc( (void *)&vsorc.ivqd, vsorc.nvqd * sizeof(int)); mem_realloc( (void *)&vsorc.iqds, vsorc.nvqd * sizeof(int)); mem_realloc( (void *)&vsorc.vqd, vsorc.nvqd * sizeof(complex double)); mem_realloc( (void *)&vsorc.vqds, vsorc.nvqd * sizeof(complex double)); { int indx = vsorc.nvqd - 1; vsorc.ivqd[indx] = isegno(itmp2, itmp3); vsorc.vqd[indx] = cmplx(tmp1, tmp2); if (cabsl(vsorc.vqd[indx]) < 1.e-20) vsorc.vqd[indx] = CPLX_10; iped = itmp4 - netcx.masym * 10; zpnorm = tmp3; if ((iped == 1) && (zpnorm > 0.0)) iped = 2; continue; /* continue card input loop */ } } /* if( fpat.ixtyp == 5) */ vsorc.nsant++; mem_realloc( (void *)&vsorc.isant, vsorc.nsant * sizeof(int)); mem_realloc( (void *)&vsorc.vsant, vsorc.nsant * sizeof(complex double)); { int indx = vsorc.nsant - 1; vsorc.isant[indx] = isegno(itmp2, itmp3); vsorc.vsant[indx] = cmplx(tmp1, tmp2); if (cabsl(vsorc.vsant[indx]) < 1.e-20) vsorc.vsant[indx] = CPLX_10; iped = itmp4 - netcx.masym * 10; zpnorm = tmp3; if ((iped == 1) && (zpnorm > 0.0)) iped = 2; continue; /* continue card input loop */ } } /* if( (itmp1 <= 0) || (itmp1 == 5) ) */ nthi = itmp2; nphi = itmp3; xpr1 = tmp1; xpr2 = tmp2; xpr3 = tmp3; xpr4 = tmp4; xpr5 = tmp5; fpat.xpr6 = tmp6; vsorc.nsant = 0; vsorc.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) { netcx.nonet = 0; netcx.ntsol = 0; iflow = 6; /* Free network buffers */ free_ptr((void *)&netcx.ntyp); free_ptr((void *)&netcx.iseg1); free_ptr((void *)&netcx.iseg2); free_ptr((void *)&netcx.x11r); free_ptr((void *)&netcx.x11i); free_ptr((void *)&netcx.x12r); free_ptr((void *)&netcx.x12i); free_ptr((void *)&netcx.x22r); free_ptr((void *)&netcx.x22i); if (igo > 3) igo = 3; if (itmp2 == -1) continue; /* continue card input loop */ } /* Re-allocate network buffers */ netcx.nonet++; idx = netcx.nonet * sizeof(int); mem_realloc((void *)&netcx.ntyp, idx); mem_realloc((void *)&netcx.iseg1, idx); mem_realloc((void *)&netcx.iseg2, idx); idx = netcx.nonet * sizeof(double); mem_realloc((void *)&netcx.x11r, idx); mem_realloc((void *)&netcx.x11i, idx); mem_realloc((void *)&netcx.x12r, idx); mem_realloc((void *)&netcx.x12i, idx); mem_realloc((void *)&netcx.x22r, idx); mem_realloc((void *)&netcx.x22i, idx); idx = netcx.nonet - 1; if (ain_num == 4) netcx.ntyp[idx] = 1; else netcx.ntyp[idx] = 2; netcx.iseg1[idx] = isegno(itmp1, itmp2); netcx.iseg2[idx] = isegno(itmp3, itmp4); netcx.x11r[idx] = tmp1; netcx.x11i[idx] = tmp2; netcx.x12r[idx] = tmp3; netcx.x12i[idx] = tmp4; netcx.x22r[idx] = tmp5; netcx.x22i[idx] = tmp6; if ((netcx.ntyp[idx] == 1) || (tmp1 > 0.)) continue; /* continue card input loop */ netcx.ntyp[idx] = 3; netcx.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 { gnd.ifar = 0; fpat.rfld = 0.; fpat.ipd = 0; fpat.iavp = 0; fpat.inor = 0; fpat.iax = 0; fpat.nth = 91; fpat.nph = 1; fpat.thets = 0.; fpat.phis = 0.; fpat.dth = 1.0; fpat.dph = 0.; if (itmp1 == 2) fpat.phis = 90.; if (itmp1 == 3) { fpat.nph = 2; fpat.dph = 90.; } } /* if( itmp1 == 0) */ break; case 7: /* "gd" card, ground representation */ fpat.epsr2 = tmp1; fpat.sig2 = tmp2; fpat.clt = tmp3; fpat.cht = tmp4; iflow = 9; continue; /* continue card input loop */ case 8: /* "rp" card, standard observation angle parameters */ gnd.ifar = itmp1; fpat.nth = itmp2; fpat.nph = itmp3; if (fpat.nth == 0) fpat.nth = 1; if (fpat.nph == 0) fpat.nph = 1; fpat.ipd = itmp4 / 10; fpat.iavp = itmp4 - fpat.ipd * 10; fpat.inor = fpat.ipd / 10; fpat.ipd = fpat.ipd - fpat.inor * 10; fpat.iax = fpat.inor / 10; fpat.inor = fpat.inor - fpat.iax * 10; if (fpat.iax != 0) fpat.iax = 1; if (fpat.ipd != 0) fpat.ipd = 1; if ((fpat.nth < 2) || (fpat.nph < 2) || (gnd.ifar == 1)) fpat.iavp = 0; fpat.thets = tmp1; fpat.phis = tmp2; fpat.dth = tmp3; fpat.dph = tmp4; fpat.rfld = tmp5; fpat.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) fpat.nfeh = 1; else fpat.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"); } fpat.near = itmp1; fpat.nrx = itmp2; fpat.nry = itmp3; fpat.nrz = itmp4; fpat.xnr = tmp1; fpat.ynr = tmp2; fpat.znr = tmp3; fpat.dxnr = tmp4; fpat.dynr = tmp5; fpat.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 */ break; case 16: /* "cp" card, maximum coupling between antennas */ if (iflow != 2) { yparm.ncoup = 0; free_ptr((void *)&yparm.nctag); free_ptr((void *)&yparm.ncseg); free_ptr((void *)&yparm.y11a); free_ptr((void *)&yparm.y12a); } yparm.icoup = 0; iflow = 2; if (itmp2 == 0) continue; /* continue card input loop */ yparm.ncoup++; mem_realloc( (void *)&yparm.nctag, (yparm.ncoup) * sizeof(int)); mem_realloc( (void *)&yparm.ncseg, (yparm.ncoup) * sizeof(int)); yparm.nctag[yparm.ncoup - 1] = itmp1; yparm.ncseg[yparm.ncoup - 1] = itmp2; if (itmp4 == 0) continue; /* continue card input loop */ yparm.ncoup++; mem_realloc( (void *)&yparm.nctag, (yparm.ncoup) * sizeof(int)); mem_realloc( (void *)&yparm.ncseg, (yparm.ncoup) * sizeof(int)); yparm.nctag[yparm.ncoup - 1] = itmp3; yparm.ncseg[yparm.ncoup - 1] = itmp4; continue; /* continue card input loop */ case 17: /* "pl" card, plot flags */ plot.iplp1 = itmp1; plot.iplp2 = itmp2; plot.iplp3 = itmp3; plot.iplp4 = itmp4; if (plot_fp == NULL) { char plotfile[81]; /* Make a plot file name */ strcpy(plotfile, infile); strcat(plotfile, ".plt"); /* Open plot file */ if ((plot_fp = fopen(plotfile, "w")) == NULL) { char mesg[88] = "nec2c: "; strcat(mesg, plotfile); perror(mesg); exit(-1); } } continue; /* continue card input loop */ case 19: /* "wg" card, not supported */ abort_on_error(-5); break; default: if (ain_num != 18 && ain_num != 20) { fprintf( output_fp, "\n\n FAULTY DATA CARD LABEL %d AFTER " "GEOMETRY SECTION", ain_num); stop(-1); } /****************************************************** *** normal exit of nec2c when all jobs complete ok *** ******************************************************/ /* time the process */ secnds(&tmp1); tmp1 -= extim; fprintf( output_fp, "\n\n RUN TIME = %.3f\n", (int)tmp1 / 1000.0); stop(0); break; } /* switch( ain_num ) */ /************************************** *** end of the main input section. *** *** beginning of frequency do loop *** **************************************/ /* Allocate to normalization buffer */ { int mreq1, mreq2; mreq1 = mreq2 = 0; if (iped) mreq1 = 4 * nfrq * sizeof(double); if (iptflg >= 2) mreq2 = nthi * nphi * sizeof(double); if ((mreq1 > 0) || (mreq2 > 0)) { if (mreq1 > mreq2) mem_realloc((void *)&fnorm, mreq1); else mem_realloc((void *)&fnorm, mreq2); } } /* igox is used in place of "igo" in the */ /* freq loop. below is a special igox case */ if (((ain_num == 6) || (ain_num == 8)) && (igo == 5)) igox = 6; else igox = igo; switch (igox) { case 1: /* label 41 */ /* Memory allocation for primary interacton matrix. */ iresrv = data.np2m * (data.np + 2 * data.mp); mem_realloc((void *)&cm, iresrv * sizeof(complex double)); /* Memory allocation for symmetry array */ smat.nop = netcx.neq / netcx.npeq; mem_realloc( (void *)&smat.ssx, smat.nop * smat.nop * sizeof(complex double)); mhz = 1; if ((data.n != 0) && (ifrtmw != 1)) { ifrtmw = 1; for (i = 0; i < data.n; i++) { xtemp[i] = data.x[i]; ytemp[i] = data.y[i]; ztemp[i] = data.z[i]; sitemp[i] = data.si[i]; bitemp[i] = data.bi[i]; } } if ((data.m != 0) && (ifrtmp != 1)) { ifrtmp = 1; for (i = 0; i < data.m; i++) { j = i + data.n; xtemp[j] = data.px[i]; ytemp[j] = data.py[i]; ztemp[j] = data.pz[i]; bitemp[j] = data.pbi[i]; } } /* irngf is not used (NGF function not implemented) */ if (matpar.imat == 0) fblock(netcx.npeq, netcx.neq, iresrv, data.ipsym); /* label 42 */ /* frequency do loop */ do { jmp_floop = FALSE; if (mhz != 1) { if (ifrq == 1) save.fmhz *= delfrq; else save.fmhz += delfrq; } fr = save.fmhz / CVEL; data.wlam = CVEL / save.fmhz; fprintf( output_fp, "\n\n\n\n\n" " " "- - - - - - FREQUENCY - - - - - -\n\n" " " " FREQUENCY= %10.4E MHZ\n" " " " WAVELENGTH= %10.4E METERS\n\n\n", save.fmhz, data.wlam); fprintf( output_fp, "\n\n" " " "APPROXIMATE INTEGRATION EMPLOYED FOR SEGMENTS " "MORE THAN %.3lf WAVELENGTHS APART\n", rkh); /* if( iexk == 1) fprintf( output_fp, "\n" " " "THE EXTENDED THIN WIRE KERNEL WILL BE USED\n" ); */ /* frequency scaling of geometric parameters */ if (data.n != 0) { for (i = 0; i < data.n; i++) { data.x[i] = xtemp[i] * fr; data.y[i] = ytemp[i] * fr; data.z[i] = ztemp[i] * fr; data.si[i] = sitemp[i] * fr; data.bi[i] = bitemp[i] * fr; } } if (data.m != 0) { fr2 = fr * fr; for (i = 0; i < data.m; i++) { j = i + data.n; data.px[i] = xtemp[j] * fr; data.py[i] = ytemp[j] * fr; data.pz[i] = ztemp[j] * fr; data.pbi[i] = bitemp[j] * fr2; } } igo = 2; /* fall through */ /* label 46 */ case 2: /* structure segment loading */ fprintf( output_fp, "\n\n\n" " " "- - - STRUCTURE IMPEDANCE LOADING - - -\n"); if (zload.nload != 0) load( ldtyp, ldtag, ldtagf, ldtagt, zlr, zli, zlc); if (zload.nload == 0) fprintf( output_fp, "\n" " " "THIS STRUCTURE IS NOT LOADED\n"); fprintf( output_fp, "\n\n\n" " " "- - - ANTENNA ENVIRONMENT - - -\n"); if (gnd.ksymp != 1) { gnd.frati = CPLX_10; if (gnd.iperf != 1) { if (save.sig < 0.) save.sig = -save.sig / (59.96 * data.wlam); epsc = cmplx( save.epsr, -save.sig * data.wlam * 59.96); gnd.zrati = 1. / csqrtl(epsc); gwav.u = gnd.zrati; gwav.u2 = gwav.u * gwav.u; if (gnd.nradl != 0) { gnd.scrwl = save.scrwlt / data.wlam; gnd.scrwr = save.scrwrt / data.wlam; gnd.t1 = CPLX_01 * 2367.067 / (double)gnd.nradl; gnd.t2 = gnd.scrwr * (double)gnd.nradl; fprintf( output_fp, "\n" " " " " "RADIAL WIRE GROUND " "SCREEN\n" " " " " "%d WIRES\n" " " " " "WIRE LENGTH: %8.2f " "METERS\n" " " " " "WIRE RADIUS: %10.3E " "METERS", gnd.nradl, save.scrwlt, save.scrwrt); fprintf( output_fp, "\n" " " " " "MEDIUM UNDER SCREEN -"); } /* if( gnd.nradl != 0) */ if (gnd.iperf != 2) fprintf( output_fp, "\n" " " " " "FINITE GROUND. " "REFLECTION COEFFICIENT " "APPROXIMATION"); else { somnec( save.epsr, save.sig, save.fmhz); gnd.frati = (epsc - 1.) / (epsc + 1.); if (cabsl( (ggrid.epscf - epsc) / epsc) >= 1.0e-3) { fprintf( output_fp, "\n ERROR IN " "GROUND " "PARAMETERS -" "\n COMPLEX " "DIELECTRIC " "CONSTANT FROM " "FILE IS: " "%12.5E%+12.5Ej" "\n " " " "REQUESTED: " "%12.5E%+12.5Ej", print_creall( ggrid.epscf), print_cimagl( ggrid.epscf), print_creall( epsc), print_cimagl( epsc)); stop(-1); } fprintf( output_fp, "\n" " " " " "FINITE GROUND. " "SOMMERFELD SOLUTION"); } /* if( gnd.iperf != 2) */ fprintf( output_fp, "\n" " " "RELATIVE DIELECTRIC CONST.= " "%7.3f\n" " " "CONDUCTIVITY= %10.3E MHOS/METER\n" " " "COMPLEX DIELECTRIC CONSTANT= " "%11.4E%+11.4Ej", save.epsr, save.sig, print_creall(epsc), print_cimagl(epsc)); } /* if( gnd.iperf != 1) */ else fprintf( output_fp, "\n" " " " " "PERFECT GROUND"); } /* if( gnd.ksymp != 1) */ else fprintf( output_fp, "\n" " " " " "FREE SPACE"); /* label 50 */ /* fill and factor primary interaction matrix */ secnds(&tim1); cmset(netcx.neq, cm, rkh, iexk); secnds(&tim2); tim = tim2 - tim1; factrs(netcx.npeq, netcx.neq, cm, save.ip); secnds(&tim1); tim2 = tim1 - tim2; fprintf( output_fp, "\n\n\n\n" " - - - MATRIX " "TIMING - - -\n\n" " FILL= %8.3f SEC., " "FACTOR= %8.3f SEC.\n", tim / 1000.0, tim2 / 1000.0); igo = 3; netcx.ntsol = 0; /* fall through */ /* label 53 */ case 3: /* excitation set up (right hand side, -e inc.) */ nthic = 1; nphic = 1; inc = 1; netcx.nprint = 0; /* l_54 */ do { if ((fpat.ixtyp != 0) && (fpat.ixtyp != 5)) { if ((iptflg <= 0) || (fpat.ixtyp == 4)) fprintf( output_fp, "\n\n\n" " " " " "- - - EXCITATION - - -"); tmp5 = TA * xpr5; tmp4 = TA * xpr4; if (fpat.ixtyp == 4) { tmp1 = xpr1 / data.wlam; tmp2 = xpr2 / data.wlam; tmp3 = xpr3 / data.wlam; tmp6 = fpat.xpr6 / (data.wlam * data.wlam); fprintf( output_fp, "\n" " " " " " CURRENT SOURCE\n" " -- " "POSITION (METERS) -- " " ORIENTATION (DEG)\n" " X " " Y Z " " ALPHA BETA " " DIPOLE MOMENT\n" " %10.5f " "%10.5f %10.5f " " %7.2f %7.2f " "%8.3f", xpr1, xpr2, xpr3, xpr4, xpr5, fpat.xpr6); } else { tmp1 = TA * xpr1; tmp2 = TA * xpr2; tmp3 = TA * xpr3; tmp6 = fpat.xpr6; if (iptflg <= 0) fprintf( output_fp, "\n PLANE WAVE - " "THETA: %7.2f " "deg, PHI: %7.2f " "deg," " ETA=%7.2f DEG, " "TYPE - %s AXIAL " "RATIO: %6.3f", xpr1, xpr2, xpr3, hpol [fpat.ixtyp - 1], fpat.xpr6); } /* if( fpat.ixtyp == 4) */ } /* if( (fpat.ixtyp != 0) && (fpat.ixtyp <= 4) ) */ /* fills e field right-hand matrix */ etmns( tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, fpat.ixtyp, crnt.cur); /* matrix solving (netwk calls solves) */ if ((netcx.nonet != 0) && (inc <= 1)) { fprintf( output_fp, "\n\n\n" " " " " "- - - NETWORK DATA - - -"); itmp3 = 0; itmp1 = netcx.ntyp[0]; for (i = 0; i < 2; i++) { if (itmp1 == 3) itmp1 = 2; if (itmp1 == 2) fprintf( output_fp, "\n" " -- FROM - --- " "TO -- " "TRANSMISSION " "LINE " " --------- SHUNT " "ADMITTANCES " "(MHOS) --------- " " LINE\n" " TAG SEG TAG " " SEG " "IMPEDANCE " "LENGTH " " ----- END ONE " "----- ----- " "END TWO ----- " "TYPE\n" " NO: NO: NO: " " NO: " "OHMS METERS " " " " REAL " "IMAGINARY " "REAL " "IMAGINARY"); else if (itmp1 == 1) fprintf( output_fp, "\n" " -- FROM - --- " "TO -- " "--------" " ADMITTANCE " "MATRIX ELEMENTS " "(MHOS) " "---------\n" " TAG SEG TAG " " SEG ----- " "(ONE,ONE) ------ " " " " ----- (ONE,TWO) " "----- ----- " "(TWO,TWO) " "-------\n" " NO: NO: NO: " " NO: REAL " " IMAGINARY " " " " REAL " "IMAGINARY " "REAL " "IMAGINARY"); for (j = 0; j < netcx.nonet; j++) { itmp2 = netcx.ntyp[j]; if ((itmp2 / itmp1) != 1) itmp3 = itmp2; else { int idx4, idx5; itmp4 = netcx.iseg1 [j]; itmp5 = netcx.iseg2 [j]; idx4 = itmp4 - 1; idx5 = itmp5 - 1; if ((itmp2 >= 2) && (netcx.x11i [j] <= 0.)) { double xx, yy, zz; xx = data.x [idx5] - data.x [idx4]; yy = data.y [idx5] - data.y [idx4]; zz = data.z [idx5] - data.z [idx4]; netcx.x11i [j] = data.wlam * sqrtl( xx * xx + yy * yy + zz * zz); } fprintf( output_fp, "\n" " %4d %5d " "%4d %5d " "%11.4E " "%11.4E " "%11.4E " "%11.4E " "%11.4E " "%11.4E " "%s", data.itag [idx4], itmp4, data.itag [idx5], itmp5, netcx.x11r [j], netcx.x11i [j], netcx.x12r [j], netcx.x12i [j], netcx.x22r [j], netcx.x22i [j], pnet [itmp2 - 1]); } /* if(( itmp2/ itmp1) == 1) */ } /* for( j = 0; j < netcx.nonet; j++) */ if (itmp3 == 0) break; itmp1 = itmp3; } /* for( j = 0; j < netcx.nonet; j++) */ } /* if( (netcx.nonet != 0) && (inc <= 1) ) */ if ((inc > 1) && (iptflg > 0)) netcx.nprint = 1; netwk(cm, save.ip, crnt.cur); netcx.ntsol = 1; if (iped != 0) { itmp1 = 4 * (mhz - 1); fnorm[itmp1] = creall(netcx.zped); fnorm[itmp1 + 1] = cimagl(netcx.zped); fnorm[itmp1 + 2] = cabsl(netcx.zped); fnorm[itmp1 + 3] = cang(netcx.zped); if (iped != 2) { if (fnorm[itmp1 + 2] > zpnorm) zpnorm = fnorm[itmp1 + 2]; } } /* if( iped != 0) */ /* printing structure currents */ if (data.n != 0) { if (iptflg != -1) { if (iptflg <= 0) { fprintf( output_fp, "\n\n\n\n" " " " " "- - - CURRENTS " "AND LOCATION - - " "-\n\n" " " " " "DISTANCES IN " "WAVELENGTHS\n"); fprintf( output_fp, "\n\n" " SEG. TAG " "COORD. OF SEG. " "CENTER SEG. " " " " - - - " "CURRENT (AMPS) - " "- -\n" " NO. NO. " "X Y " " Z LENGTH " " " "REAL " "IMAG. MAG. " " PHASE"); } else { if ((iptflg != 3) && (inc <= 1)) fprintf( output_fp, "\n\n\n" " " " " " " "- - - " "RECEIVING" " PATTERN " "PARAMETER" "S - - -\n" " " " " " " " " "ETA= " "%7.2f " "DEGREES\n" " " " " " " " " "TYPE= " "%s\n" " " " " " " " " "AXIAL " "RATIO: " "%6.3f\n\n" " " " " " " "THETA " " PHI " " - " "CURRENT " "- " "SEG\n" " " " " " " "(DEG) " "(DEG) " " MAGNITUD" "E " "PHASE " "NO.", xpr3, hpol [fpat.ixtyp - 1], fpat.xpr6); } /* if( iptflg <= 0) */ } /* if( iptflg != -1) */ fpat.ploss = 0.; itmp1 = 0; for (i = 0; i < data.n; i++) { curi = crnt.cur[i] * data.wlam; cmag = cabsl(curi); ph = cang(curi); if ((zload.nload != 0) && (fabsl(creall( zload.zarray[i])) >= 1.e-20)) fpat.ploss += 0.5 * cmag * cmag * creall( zload.zarray [i]) * data.si[i]; if (iptflg == -1) continue; if (iptflg >= 0) { if ((iptag != 0) && (data.itag[i] != iptag)) continue; itmp1++; if ((itmp1 < iptagf) || (itmp1 > iptagt)) continue; if (iptflg != 0) { if (iptflg >= 2) { fnorm [inc - 1] = cmag; isave = (i + 1); } if (iptflg != 3) { fprintf( output_fp, "\n" " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " "%" "7" "." "2" "f" " " "%" "7" "." "2" "f" " " " " "%" "1" "1" "." "4" "E" " " " " "%" "7" "." "2" "f" " " " " "%" "5" "d", xpr1, xpr2, cmag, ph, i + 1); continue; } } /* if( iptflg != 0) */ else fprintf( output_fp, "\n" " %5d %4d " "%8.4f " "%8.4f " "%8.4f " "%8.5f" " %11.4E " "%11.4E " "%11.4E " "%8.3f", i + 1, data.itag [i], data.x[i], data.y[i], data.z[i], data.si[i], print_creall( curi), print_cimagl( curi), cmag, ph); } /* if( iptflg >= 0 ) */ else { fprintf( output_fp, "\n" " %5d %4d %8.4f " "%8.4f %8.4f %8.5f" " %11.4E %11.4E " "%11.4E %8.3f", i + 1, data.itag[i], data.x[i], data.y[i], data.z[i], data.si[i], print_creall( curi), print_cimagl( curi), cmag, ph); if (plot.iplp1 != 1) continue; if (plot.iplp2 == 1) fprintf( plot_fp, "%12.4E " "%12.4E\n", print_creall( curi), print_cimagl( curi)); else if ( plot.iplp2 == 2) fprintf( plot_fp, "%12.4E " "%12.4E\n", cmag, ph); } } /* for( i = 0; i < n; i++ ) */ if (iptflq != -1) { fprintf( output_fp, "\n\n\n" " " " " "- - - CHARGE DENSITIES - " "- -\n" " " " " " DISTANCES IN " "WAVELENGTHS\n\n" " SEG TAG " "COORDINATES OF SEG " "CENTER SEG " " CHARGE DENSITY " "(COULOMBS/METER)\n" " NO. NO. X " " Y Z " "LENGTH " " REAL IMAGINARY " " MAGN PHASE"); itmp1 = 0; fr = 1.e-6 / save.fmhz; for (i = 0; i < data.n; i++) { if (iptflq != -2) { if ((iptaq != 0) && (data.itag [i] != iptaq)) continue; itmp1++; if ((itmp1 < iptaqf) || (itmp1 > iptaqt)) continue; } /* if( iptflq == -2) */ curi = fr * cmplx( -crnt.bii[i], crnt.bir[i]); cmag = cabsl(curi); ph = cang(curi); fprintf( output_fp, "\n" " %5d %4d %9.4f " "%9.4f %9.4f %9.5f" " %11.4E %11.4E " "%11.4E %8.3f", i + 1, data.itag[i], data.x[i], data.y[i], data.z[i], data.si[i], print_creall( curi), print_cimagl( curi), cmag, ph); } /* for( i = 0; i < n; i++ ) */ } /* if( iptflq != -1) */ } /* if( n != 0) */ if (data.m != 0) { fprintf( output_fp, "\n\n\n" " " " " " - - - - SURFACE PATCH CURRENTS " "- - - -\n" " " " " " DISTANCE IN WAVELENGTHS\n" " " " " " CURRENT IN AMPS/METER\n\n" " " "- - SURFACE COMPONENTS - " " - - - RECTANGULAR COMPONENTS - " "- -\n" " PCH --- PATCH CENTER --- " "TANGENT VECTOR 1 " " TANGENT VECTOR 2 ------- X " "------ ------- Y ------ " " ------- Z ------\n NO. X " " Y Z MAG. " " PHASE MAG. PHASE " "REAL IMAGINARY REAL " " IMAGINARY REAL IMAGINARY"); j = data.n - 3; itmp1 = -1; for (i = 0; i < data.m; i++) { j += 3; itmp1++; ex = crnt.cur[j]; ey = crnt.cur[j + 1]; ez = crnt.cur[j + 2]; eth = ex * data.t1x[itmp1] + ey * data.t1y[itmp1] + ez * data.t1z[itmp1]; eph = ex * data.t2x[itmp1] + ey * data.t2y[itmp1] + ez * data.t2z[itmp1]; ethm = cabsl(eth); etha = cang(eth); ephm = cabsl(eph); epha = cang(eph); fprintf( output_fp, "\n" " %4d %7.3f %7.3f %7.3f " "%9.2E %8.2f %9.2E %8.2f" " %9.2E %9.2E %9.2E %9.2E " "%9.2E %9.2E", i + 1, data.px[itmp1], data.py[itmp1], data.pz[itmp1], ethm, etha, ephm, epha, print_creall(ex), print_cimagl(ex), print_creall(ey), print_cimagl(ey), print_creall(ez), print_cimagl(ez)); if (plot.iplp1 != 1) continue; if (plot.iplp3 == 1) fprintf( plot_fp, "%12.4E %12.4E\n", print_creall(ex), print_cimagl(ex)); if (plot.iplp3 == 2) fprintf( plot_fp, "%12.4E %12.4E\n", print_creall(ey), print_cimagl(ey)); if (plot.iplp3 == 3) fprintf( plot_fp, "%12.4E %12.4E\n", print_creall(ez), print_cimagl(ez)); if (plot.iplp3 == 4) fprintf( plot_fp, "%12.4E %12.4E " "%12.4E %12.4E " "%12.4E %12.4E\n", print_creall(ex), print_cimagl(ex), print_creall(ey), print_cimagl(ey), print_creall(ez), print_cimagl(ez)); } /* for( i=0; i 0) couple(crnt.cur, data.wlam); if (iflow == 7) { if ((fpat.ixtyp > 0) && (fpat.ixtyp < 4)) { nthic++; inc++; xpr1 += xpr4; if (nthic <= nthi) continue; /* continue excitation loop */ nthic = 1; xpr1 = thetis; xpr2 = xpr2 + xpr5; nphic++; if (nphic <= nphi) continue; /* continue excitation loop */ break; } /* if( (fpat.ixtyp >= 1) && (fpat.ixtyp <= 3) ) */ if (nfrq != 1) { jmp_floop = TRUE; break; /* continue the freq loop */ } fprintf(output_fp, "\n\n\n"); jmp_iloop = TRUE; break; /* continue card input loop */ } /*if( iflow == 7) */ /* fall through */ case 4: /* label_71 */ igo = 5; /* fall through */ /* label_72 */ case 5: /* near field calculation */ if (fpat.near != -1) { nfpat(); if (mhz == nfrq) fpat.near = -1; if (nfrq == 1) { fprintf(output_fp, "\n\n\n"); jmp_iloop = TRUE; break; /* continue card input loop */ } } /* if( fpat.near != -1) */ /* fall through */ /* label_78 */ case 6: /* standard far field calculation */ if (gnd.ifar != -1) { fpat.pinr = netcx.pin; fpat.pnlr = netcx.pnls; rdpat(); fprintf(output_fp, "\n\n\n\n"); } if ((fpat.ixtyp == 0) || (fpat.ixtyp >= 4)) { if (mhz == nfrq) gnd.ifar = -1; if (nfrq != 1) { jmp_floop = TRUE; break; } fprintf(output_fp, "\n\n\n"); jmp_iloop = TRUE; break; } /* if( (fpat.ixtyp == 0) || (fpat.ixtyp >= 4) ) */ nthic++; inc++; xpr1 += xpr4; if (nthic <= nthi) continue; /* continue excitation loop */ nthic = 1; xpr1 = thetis; xpr2 += xpr5; nphic++; if (nphic > nphi) break; } /* do (l_54) */ while (TRUE); /* jump to freq. or input loop */ if (jmp_iloop) break; if (jmp_floop) continue; nphic = 1; xpr2 = phiss; /* normalized receiving pattern printed */ if (iptflg >= 2) { itmp1 = nthi * nphi; tmp1 = fnorm[0]; for (j = 1; j < itmp1; j++) if (fnorm[j] > tmp1) tmp1 = fnorm[j]; fprintf( output_fp, "\n\n\n" " " "---- NORMALIZED RECEIVING PATTERN ----\n" " " "NORMALIZATION FACTOR: %11.4E\n" " " "ETA: %7.2f DEGREES\n" " " "TYPE: %s\n" " AXIAL RATIO: " "%6.3f\n" " SEGMENT No: %d\n\n" " " "THETA PHI ---- PATTERN ----\n" " " "(DEG) (DEG) DB MAGNITUDE", tmp1, xpr3, hpol[fpat.ixtyp - 1], fpat.xpr6, isave); for (j = 0; j < nphi; j++) { itmp2 = nthi * j; for (i = 0; i < nthi; i++) { itmp3 = i + itmp2; if (itmp3 < itmp1) { tmp2 = fnorm[itmp3] / tmp1; tmp3 = db20(tmp2); fprintf( output_fp, "\n" " " " %7.2f %7.2f " " %7.2f %11.4E", xpr1, xpr2, tmp3, tmp2); xpr1 += xpr4; } } /* for( i = 0; i < nthi; i++ ) */ xpr1 = thetis; xpr2 += xpr5; } /* for( j = 0; j < nphi; j++ ) */ xpr2 = phiss; } /* if( iptflg >= 2) */ if (mhz == nfrq) gnd.ifar = -1; if (nfrq == 1) { fprintf(output_fp, "\n\n\n"); jmp_iloop = TRUE; break; /* continue card input loop */ } } /*** do (frequency loop) (l_42) ***/ while ((++mhz <= nfrq)); /* Jump to card input loop */ if (jmp_iloop) break; if (iped != 0) { int iss; if (vsorc.nvqd > 0) iss = vsorc.ivqd[vsorc.nvqd - 1]; else iss = vsorc.isant[vsorc.nsant - 1]; fprintf( output_fp, "\n\n\n" " " " -------- INPUT IMPEDANCE DATA --------\n" " " " SOURCE SEGMENT NO.= %d\n" " " " NORMALIZATION FACTOR:%12.5E\n\n" " ----------- UNNORMALIZED IMPEDANCE " "---------- " " ------------ NORMALIZED IMPEDANCE -----------\n" " FREQ RESISTANCE REACTANCE " "MAGNITUDE PHASE " " RESISTANCE REACTANCE MAGNITUDE PHASE\n" " MHz OHMS OHMS OHMS " " DEGREES " " OHMS OHMS OHMS DEGREES", iss, zpnorm); itmp1 = nfrq; if (ifrq == 0) tmp1 = save.fmhz - (nfrq - 1) * delfrq; else if (ifrq == 1) tmp1 = save.fmhz / (powl(delfrq, (nfrq - 1))); for (i = 0; i < itmp1; i++) { itmp2 = 4 * i; tmp2 = fnorm[itmp2] / zpnorm; tmp3 = fnorm[itmp2 + 1] / zpnorm; tmp4 = fnorm[itmp2 + 2] / zpnorm; tmp5 = fnorm[itmp2 + 3]; fprintf( output_fp, "\n" " %9.3f %11.4E %11.4E %11.4E %7.2f " " %11.4E %11.4E %11.4E %7.2f", tmp1, fnorm[itmp2], fnorm[itmp2 + 1], fnorm[itmp2 + 2], fnorm[itmp2 + 3], tmp2, tmp3, tmp4, tmp5); if (ifrq == 0) tmp1 += delfrq; else if (ifrq == 1) tmp1 *= delfrq; } /* for( i = 0; i < itmp1; i++ ) */ fprintf(output_fp, "\n\n\n"); } /* if( iped != 0) */ nfrq = 1; mhz = 1; } /* switch( igox ) */ } /* while( ! next_job ): Main input section (l_14) */ } /* while(TRUE): Main execution loop (l_1) */ fclose(output_fp); return (0); } /* end of main() */ /*-----------------------------------------------------------------------*/ /* Null_Pointers() * * Nulls pointers used in mem_realloc */ void Null_Pointers(void) { crnt.air = crnt.aii = NULL; crnt.bir = crnt.bii = NULL; crnt.cir = crnt.cii = NULL; crnt.cur = NULL; data.x = data.y = data.z = NULL; data.x1 = data.y1 = data.z1 = NULL; data.x2 = data.y2 = data.z2 = NULL; data.si = data.bi = data.sab = NULL; data.cab = data.salp = NULL; data.itag = data.icon1 = data.icon2 = NULL; data.px = data.py = data.pz = NULL; data.t1x = data.t1y = data.t1z = NULL; data.t2x = data.t2y = data.t2z = NULL; data.pbi = data.psalp = NULL; netcx.ntyp = netcx.iseg1 = netcx.iseg2 = NULL; netcx.x11r = netcx.x11i = NULL; netcx.x12r = netcx.x12i = NULL; netcx.x22r = netcx.x22i = NULL; save.ip = NULL; segj.jco = NULL; segj.ax = segj.bx = segj.cx = NULL; smat.ssx = NULL; vsorc.isant = vsorc.ivqd = vsorc.iqds = NULL; vsorc.vqd = vsorc.vqds = vsorc.vsant = NULL; yparm.y11a = yparm.y12a = NULL; yparm.ncseg = yparm.nctag = NULL; zload.zarray = NULL; } /* Null_Pointers() */ /*-----------------------------------------------------------------------*/ /* prnt sets up the print formats for impedance loading */ void prnt( int in1, int in2, int in3, double fl1, double fl2, double fl3, double fl4, double fl5, double fl6, char *ia, int ichar) { /* record to be output and buffer used to make it */ char record[101 + ichar * 4], buff[15]; int in[3], i1, i; double fl[6]; in[0] = in1; in[1] = in2; in[2] = in3; fl[0] = fl1; fl[1] = fl2; fl[2] = fl3; fl[3] = fl4; fl[4] = fl5; fl[5] = fl6; /* integer format */ i1 = 0; strcpy(record, "\n "); if ((in1 == 0) && (in2 == 0) && (in3 == 0)) { strcat(record, " ALL"); i1 = 1; } for (i = i1; i < 3; i++) { if (in[i] == 0) strcat(record, " "); else { snprintf(buff, 6, "%5d", in[i]); strcat(record, buff); } } /* floating point format */ for (i = 0; i < 6; i++) { if (fabsl(fl[i]) >= 1.0e-20) { snprintf(buff, 15, " %11.4f", (double)fl[i]); strcat(record, buff); } else strcat(record, " "); } strcat(record, " "); strcat(record, ia); fprintf(output_fp, "%s", record); return; } /*-----------------------------------------------------------------------*/ #if defined USE_SIG_HANDLER static void sig_handler(int signal) { fprintf(stderr, "\n"); switch (signal) { case SIGINT: fprintf(stderr, "%s\n", "nec2c: exiting via user interrupt"); exit(signal); case SIGSEGV: fprintf(stderr, "%s\n", "nec2c: segmentation fault"); exit(signal); case SIGFPE: fprintf(stderr, "%s\n", "nec2c: floating point exception"); exit(signal); case SIGABRT: fprintf(stderr, "%s\n", "nec2c: abort signal received"); exit(signal); case SIGTERM: fprintf(stderr, "%s\n", "nec2c: termination request received"); stop(signal); } } /* end of sig_handler() */ #endif /*------------------------------------------------------------------------*/