int DCtrCurv(CKTcircuit *ckt, int restart) { TRCV *job = (TRCV *) ckt->CKTcurJob; int i; double *temp; int converged; int rcode; int vcode; int icode; int j; int error; IFuid varUid; IFuid *nameList; int numNames; int firstTime = 1; static runDesc *plot = NULL; #ifdef WANT_SENSE2 long save; #ifdef SENSDEBUG if (ckt->CKTsenInfo && (ckt->CKTsenInfo->SENmode & DCSEN)) { printf("\nDC Sensitivity Results\n\n"); CKTsenPrint(ckt); } #endif #endif rcode = CKTtypelook("Resistor"); vcode = CKTtypelook("Vsource"); icode = CKTtypelook("Isource"); if (!restart && job->TRCVnestState >= 0) { /* continuing */ i = job->TRCVnestState; /* resume to work? saj*/ error = SPfrontEnd->OUTpBeginPlot (NULL, NULL, NULL, NULL, 0, 666, NULL, 666, &plot); goto resume; } ckt->CKTtime = 0; ckt->CKTdelta = job->TRCVvStep[0]; ckt->CKTmode = (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITJCT; ckt->CKTorder = 1; /* Save the state of the circuit */ for (j = 0; j < 7; j++) ckt->CKTdeltaOld[j] = ckt->CKTdelta; for (i = 0; i <= job->TRCVnestLevel; i++) { if (rcode >= 0) { /* resistances are in this version, so use them */ RESinstance *here; RESmodel *model; for (model = (RESmodel *)ckt->CKThead[rcode]; model; model = model->RESnextModel) for (here = model->RESinstances; here; here = here->RESnextInstance) if (here->RESname == job->TRCVvName[i]) { job->TRCVvElt[i] = (GENinstance *)here; job->TRCVvSave[i] = here->RESresist; job->TRCVgSave[i] = here->RESresGiven; job->TRCVvType[i] = rcode; here->RESresist = job->TRCVvStart[i]; here->RESresGiven = 1; CKTtemp(ckt); goto found; } } if (vcode >= 0) { /* voltage sources are in this version, so use them */ VSRCinstance *here; VSRCmodel *model; for (model = (VSRCmodel *)ckt->CKThead[vcode]; model; model = model->VSRCnextModel) for (here = model->VSRCinstances; here; here = here->VSRCnextInstance) if (here->VSRCname == job->TRCVvName[i]) { job->TRCVvElt[i] = (GENinstance *)here; job->TRCVvSave[i] = here->VSRCdcValue; job->TRCVgSave[i] = here->VSRCdcGiven; job->TRCVvType[i] = vcode; here->VSRCdcValue = job->TRCVvStart[i]; here->VSRCdcGiven = 1; goto found; } } if (icode >= 0) { /* current sources are in this version, so use them */ ISRCinstance *here; ISRCmodel *model; for (model = (ISRCmodel *)ckt->CKThead[icode]; model; model = model->ISRCnextModel) for (here = model->ISRCinstances; here; here = here->ISRCnextInstance) if (here->ISRCname == job->TRCVvName[i]) { job->TRCVvElt[i] = (GENinstance *)here; job->TRCVvSave[i] = here->ISRCdcValue; job->TRCVgSave[i] = here->ISRCdcGiven; job->TRCVvType[i] = icode; here->ISRCdcValue = job->TRCVvStart[i]; here->ISRCdcGiven = 1; goto found; } } if (!strcmp(job->TRCVvName[i], "temp")) { job->TRCVvSave[i] = ckt->CKTtemp; /* Saves the old circuit temperature */ job->TRCVvType[i] = TEMP_CODE; /* Set the sweep type code */ ckt->CKTtemp = job->TRCVvStart[i] + CONSTCtoK; /* Set the new circuit temp */ if (expr_w_temper) inp_evaluate_temper(); CKTtemp(ckt); goto found; } SPfrontEnd->IFerrorf (ERR_FATAL, "DCtrCurv: source / resistor %s not in circuit", job->TRCVvName[i]); return(E_NODEV); found:; } #ifdef HAS_PROGREP actval = job->TRCVvStart[job->TRCVnestLevel]; actdiff = job->TRCVvStart[job->TRCVnestLevel] - job->TRCVvStop[job->TRCVnestLevel]; #endif #ifdef XSPICE /* gtri - add - wbk - 12/19/90 - Add IPC stuff and anal_init and anal_type */ /* Tell the beginPlot routine what mode we're in */ g_ipc.anal_type = IPC_ANAL_DCTRCURVE; /* Tell the code models what mode we're in */ g_mif_info.circuit.anal_type = MIF_DC; g_mif_info.circuit.anal_init = MIF_TRUE; /* gtri - end - wbk */ #endif error = CKTnames(ckt, &numNames, &nameList); if (error) return(error); i = job->TRCVnestLevel; if (job->TRCVvType[i] == vcode) SPfrontEnd->IFnewUid (ckt, &varUid, NULL, "v-sweep", UID_OTHER, NULL); else if (job->TRCVvType[i] == icode) SPfrontEnd->IFnewUid (ckt, &varUid, NULL, "i-sweep", UID_OTHER, NULL); else if (job->TRCVvType[i] == TEMP_CODE) SPfrontEnd->IFnewUid (ckt, &varUid, NULL, "temp-sweep", UID_OTHER, NULL); else if (job->TRCVvType[i] == rcode) SPfrontEnd->IFnewUid (ckt, &varUid, NULL, "res-sweep", UID_OTHER, NULL); else SPfrontEnd->IFnewUid (ckt, &varUid, NULL, "?-sweep", UID_OTHER, NULL); error = SPfrontEnd->OUTpBeginPlot (ckt, ckt->CKTcurJob, ckt->CKTcurJob->JOBname, varUid, IF_REAL, numNames, nameList, IF_REAL, &plot); tfree(nameList); if (error) return(error); /* initialize CKTsoaCheck `warn' counters */ if (ckt->CKTsoaCheck) error = CKTsoaInit(); /* now have finished the initialization - can start doing hard part */ i = 0; resume: for (;;) { if (job->TRCVvType[i] == vcode) { /* voltage source */ if (SGN(job->TRCVvStep[i]) * (((VSRCinstance*)(job->TRCVvElt[i]))->VSRCdcValue - job->TRCVvStop[i]) > DBL_EPSILON * 1e+03) { i++; firstTime = 1; ckt->CKTmode = (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITJCT; if (i > job->TRCVnestLevel) break; goto nextstep; } } else if (job->TRCVvType[i] == icode) { /* current source */ if (SGN(job->TRCVvStep[i]) * (((ISRCinstance*)(job->TRCVvElt[i]))->ISRCdcValue - job->TRCVvStop[i]) > DBL_EPSILON * 1e+03) { i++; firstTime = 1; ckt->CKTmode = (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITJCT; if (i > job->TRCVnestLevel) break; goto nextstep; } } else if (job->TRCVvType[i] == rcode) { /* resistance */ if (SGN(job->TRCVvStep[i]) * (((RESinstance*)(job->TRCVvElt[i]))->RESresist - job->TRCVvStop[i]) > DBL_EPSILON * 1e+03) { i++; firstTime = 1; ckt->CKTmode = (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITJCT; if (i > job->TRCVnestLevel) break; goto nextstep; } } else if (job->TRCVvType[i] == TEMP_CODE) { /* temp sweep */ if (SGN(job->TRCVvStep[i]) * ((ckt->CKTtemp - CONSTCtoK) - job->TRCVvStop[i]) > DBL_EPSILON * 1e+03) { i++; firstTime = 1; ckt->CKTmode = (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITJCT; if (i > job->TRCVnestLevel) break; goto nextstep; } } while (--i >= 0) if (job->TRCVvType[i] == vcode) { /* voltage source */ ((VSRCinstance *)(job->TRCVvElt[i]))->VSRCdcValue = job->TRCVvStart[i]; } else if (job->TRCVvType[i] == icode) { /* current source */ ((ISRCinstance *)(job->TRCVvElt[i]))->ISRCdcValue = job->TRCVvStart[i]; } else if (job->TRCVvType[i] == TEMP_CODE) { ckt->CKTtemp = job->TRCVvStart[i] + CONSTCtoK; if (expr_w_temper) inp_evaluate_temper(); CKTtemp(ckt); } else if (job->TRCVvType[i] == rcode) { ((RESinstance *)(job->TRCVvElt[i]))->RESresist = job->TRCVvStart[i]; /* RESload() needs conductance as well */ ((RESinstance *)(job->TRCVvElt[i]))->RESconduct = 1 / (((RESinstance *)(job->TRCVvElt[i]))->RESresist); DEVices[rcode]->DEVload(job->TRCVvElt[i]->GENmodPtr, ckt); } /* Rotate state vectors. */ temp = ckt->CKTstates[ckt->CKTmaxOrder + 1]; for (j = ckt->CKTmaxOrder; j >= 0; j--) ckt->CKTstates[j + 1] = ckt->CKTstates[j]; ckt->CKTstate0 = temp; /* do operation */ #ifdef XSPICE /* gtri - begin - wbk - Do EVTop if event instances exist */ if (ckt->evt->counts.num_insts == 0) { /* If no event-driven instances, do what SPICE normally does */ #endif converged = NIiter(ckt, ckt->CKTdcTrcvMaxIter); if (converged != 0) { converged = CKTop(ckt, (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITJCT, (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITFLOAT, ckt->CKTdcMaxIter); if (converged != 0) return(converged); } #ifdef XSPICE } else { /* else do new algorithm */ /* first get the current step in the analysis */ if (job->TRCVvType[0] == vcode) { g_mif_info.circuit.evt_step = ((VSRCinstance *)(job->TRCVvElt[0]))->VSRCdcValue; } else if (job->TRCVvType[0] == icode) { g_mif_info.circuit.evt_step = ((ISRCinstance *)(job->TRCVvElt[0]))->ISRCdcValue; } else if (job->TRCVvType[0] == rcode) { g_mif_info.circuit.evt_step = ((RESinstance*)(job->TRCVvElt[0]->GENmodPtr))->RESresist; } else if (job->TRCVvType[0] == TEMP_CODE) { g_mif_info.circuit.evt_step = ckt->CKTtemp - CONSTCtoK; } /* if first time through, call EVTop immediately and save event results */ if (firstTime) { converged = EVTop(ckt, (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITJCT, (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITFLOAT, ckt->CKTdcMaxIter, MIF_TRUE); EVTdump(ckt, IPC_ANAL_DCOP, g_mif_info.circuit.evt_step); EVTop_save(ckt, MIF_FALSE, g_mif_info.circuit.evt_step); if (converged != 0) return(converged); } /* else, call NIiter first with mode = MODEINITPRED */ /* to attempt quick analog solution. Then call all hybrids and call */ /* EVTop only if event outputs have changed, or if non-converged */ else { converged = NIiter(ckt, ckt->CKTdcTrcvMaxIter); EVTcall_hybrids(ckt); if ((converged != 0) || (ckt->evt->queue.output.num_changed != 0)) { converged = EVTop(ckt, (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITJCT, (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITFLOAT, ckt->CKTdcMaxIter, MIF_FALSE); EVTdump(ckt, IPC_ANAL_DCTRCURVE, g_mif_info.circuit.evt_step); EVTop_save(ckt, MIF_FALSE, g_mif_info.circuit.evt_step); if (converged != 0) return(converged); } } } /* gtri - end - wbk - Do EVTop if event instances exist */ #endif ckt->CKTmode = (ckt->CKTmode & MODEUIC) | MODEDCTRANCURVE | MODEINITPRED; if (job->TRCVvType[0] == vcode) ckt->CKTtime = ((VSRCinstance *)(job->TRCVvElt[0]))->VSRCdcValue; else if (job->TRCVvType[0] == icode) ckt->CKTtime = ((ISRCinstance *)(job->TRCVvElt[0]))->ISRCdcValue; else if (job->TRCVvType[0] == rcode) ckt->CKTtime = ((RESinstance *)(job->TRCVvElt[0]))->RESresist; else if (job->TRCVvType[0] == TEMP_CODE) ckt->CKTtime = ckt->CKTtemp - CONSTCtoK; #ifdef XSPICE /* gtri - add - wbk - 12/19/90 - Add IPC stuff */ /* If first time through, call CKTdump to output Operating Point info */ /* for Mspice compatibility */ if (g_ipc.enabled && firstTime) { ipc_send_dcop_prefix(); CKTdump(ckt, 0.0, plot); ipc_send_dcop_suffix(); } /* gtri - end - wbk */ #endif #ifdef WANT_SENSE2 /* if (!ckt->CKTsenInfo) printf("sensitivity structure does not exist\n"); */ if (ckt->CKTsenInfo && (ckt->CKTsenInfo->SENmode & DCSEN)) { int senmode; #ifdef SENSDEBUG if (job->TRCVvType[0] == vcode) { /* voltage source */ printf("Voltage Source Value : %.5e V\n", ((VSRCinstance*) (job->TRCVvElt[0]))->VSRCdcValue); } if (job->TRCVvType[0] == icode) { /* current source */ printf("Current Source Value : %.5e A\n", ((ISRCinstance*)(job->TRCVvElt[0]))->ISRCdcValue); } if (job->TRCVvType[0] == rcode) { /* resistance */ printf("Current Resistance Value : %.5e Ohm\n", ((RESinstance*)(job->TRCVvElt[0]->GENmodPtr))->RESresist); } if (job->TRCVvType[0] == TEMP_CODE) { /* Temperature */ printf("Current Circuit Temperature : %.5e C\n", ckt->CKTtemp - CONSTCtoK); } #endif senmode = ckt->CKTsenInfo->SENmode; save = ckt->CKTmode; ckt->CKTsenInfo->SENmode = DCSEN; error = CKTsenDCtran(ckt); if (error) return(error); ckt->CKTmode = save; ckt->CKTsenInfo->SENmode = senmode; } #endif #ifdef XSPICE /* gtri - modify - wbk - 12/19/90 - Send IPC delimiters */ if (g_ipc.enabled) ipc_send_data_prefix(ckt->CKTtime); #endif CKTdump(ckt,ckt->CKTtime,plot); if (ckt->CKTsoaCheck) error = CKTsoaCheck(ckt); #ifdef XSPICE if (g_ipc.enabled) ipc_send_data_suffix(); /* gtri - end - wbk */ #endif if (firstTime) { firstTime = 0; memcpy(ckt->CKTstate1, ckt->CKTstate0, (size_t) ckt->CKTnumStates * sizeof(double)); } i = 0; nextstep:; if (job->TRCVvType[i] == vcode) { /* voltage source */ ((VSRCinstance*)(job->TRCVvElt[i]))->VSRCdcValue += job->TRCVvStep[i]; } else if (job->TRCVvType[i] == icode) { /* current source */ ((ISRCinstance*)(job->TRCVvElt[i]))->ISRCdcValue += job->TRCVvStep[i]; } else if (job->TRCVvType[i] == rcode) { /* resistance */ ((RESinstance*)(job->TRCVvElt[i]))->RESresist += job->TRCVvStep[i]; /* RESload() needs conductance as well */ ((RESinstance*)(job->TRCVvElt[i]))->RESconduct = 1 / (((RESinstance*)(job->TRCVvElt[i]))->RESresist); DEVices[rcode]->DEVload(job->TRCVvElt[i]->GENmodPtr, ckt); } else if (job->TRCVvType[i] == TEMP_CODE) { /* temperature */ ckt->CKTtemp += job->TRCVvStep[i]; if (expr_w_temper) inp_evaluate_temper(); CKTtemp(ckt); } if (SPfrontEnd->IFpauseTest()) { /* user asked us to pause, so save state */ job->TRCVnestState = i; return(E_PAUSE); } #ifdef HAS_PROGREP if (i == job->TRCVnestLevel) { actval += job->TRCVvStep[job->TRCVnestLevel]; SetAnalyse("dc", abs((int)(actval * 1000. / actdiff))); } #endif } /* all done, lets put everything back */ for (i = 0; i <= job->TRCVnestLevel; i++) if (job->TRCVvType[i] == vcode) { /* voltage source */ ((VSRCinstance*)(job->TRCVvElt[i]))->VSRCdcValue = job->TRCVvSave[i]; ((VSRCinstance*)(job->TRCVvElt[i]))->VSRCdcGiven = (job->TRCVgSave[i] != 0); } else if (job->TRCVvType[i] == icode) { /*current source */ ((ISRCinstance*)(job->TRCVvElt[i]))->ISRCdcValue = job->TRCVvSave[i]; ((ISRCinstance*)(job->TRCVvElt[i]))->ISRCdcGiven = (job->TRCVgSave[i] != 0); } else if (job->TRCVvType[i] == rcode) { /* Resistance */ ((RESinstance*)(job->TRCVvElt[i]))->RESresist = job->TRCVvSave[i]; /* RESload() needs conductance as well */ ((RESinstance*)(job->TRCVvElt[i]))->RESconduct = 1 / (((RESinstance*)(job->TRCVvElt[i]))->RESresist); ((RESinstance*)(job->TRCVvElt[i]))->RESresGiven = (job->TRCVgSave[i] != 0); DEVices[rcode]->DEVload(job->TRCVvElt[i]->GENmodPtr, ckt); } else if (job->TRCVvType[i] == TEMP_CODE) { ckt->CKTtemp = job->TRCVvSave[i]; if (expr_w_temper) inp_evaluate_temper(); CKTtemp(ckt); } SPfrontEnd->OUTendPlot (plot); return(OK); }
int ACan(CKTcircuit *ckt, int restart) { double freq; double freqTol; /* tolerence parameter for finding final frequency */ double startdTime; double startsTime; double startlTime; double startcTime; double startkTime; double startTime; int error; int numNames; IFuid *nameList; /* va: tmalloc'ed list of names */ IFuid freqUid; static void *acPlot = NULL; void *plot = NULL; #ifdef XSPICE /* gtri - add - wbk - 12/19/90 - Add IPC stuff and anal_init and anal_type */ /* Tell the beginPlot routine what mode we're in */ g_ipc.anal_type = IPC_ANAL_AC; /* Tell the code models what mode we're in */ g_mif_info.circuit.anal_type = MIF_DC; g_mif_info.circuit.anal_init = MIF_TRUE; /* gtri - end - wbk */ #endif /* start at beginning */ if(((ACAN*)ckt->CKTcurJob)->ACsaveFreq == 0 || restart) { if (((ACAN*)ckt->CKTcurJob)->ACnumberSteps < 1) ((ACAN*)ckt->CKTcurJob)->ACnumberSteps = 1; switch(((ACAN*)ckt->CKTcurJob)->ACstepType) { case DECADE: ((ACAN*)ckt->CKTcurJob)->ACfreqDelta = exp(log(10.0)/((ACAN*)ckt->CKTcurJob)->ACnumberSteps); break; case OCTAVE: ((ACAN*)ckt->CKTcurJob)->ACfreqDelta = exp(log(2.0)/((ACAN*)ckt->CKTcurJob)->ACnumberSteps); break; case LINEAR: if (((ACAN*)ckt->CKTcurJob)->ACnumberSteps-1 > 1) ((ACAN*)ckt->CKTcurJob)->ACfreqDelta = (((ACAN*)ckt->CKTcurJob)->ACstopFreq - ((ACAN*)ckt->CKTcurJob)->ACstartFreq)/ (((ACAN*)ckt->CKTcurJob)->ACnumberSteps-1); else /* Patch from: Richard McRoberts * This patch is for a rather pathological case: * a linear step with only one point */ ((ACAN*)ckt->CKTcurJob)->ACfreqDelta = 0; break; default: return(E_BADPARM); } #ifdef XSPICE /* gtri - begin - wbk - Call EVTop if event-driven instances exist */ if(ckt->evt->counts.num_insts != 0) { error = EVTop(ckt, (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITJCT, (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITFLOAT, ckt->CKTdcMaxIter, MIF_TRUE); EVTdump(ckt, IPC_ANAL_DCOP, 0.0); EVTop_save(ckt, MIF_TRUE, 0.0); } else #endif /* If no event-driven instances, do what SPICE normally does */ error = CKTop(ckt, (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITJCT, (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITFLOAT, ckt->CKTdcMaxIter); if(error){ fprintf(stdout,"\nAC operating point failed -\n"); CKTncDump(ckt); return(error); } #ifdef XSPICE /* gtri - add - wbk - 12/19/90 - Add IPC stuff */ /* Send the operating point results for Mspice compatibility */ if(g_ipc.enabled) { /* Call CKTnames to get names of nodes/branches used by BeginPlot */ /* Probably should free nameList after this block since called again... */ error = CKTnames(ckt,&numNames,&nameList); if(error) return(error); /* We have to do a beginPlot here since the data to return is * different for the DCOP than it is for the AC analysis. * Moreover the begin plot has not even been done yet at this * point... */ (*(SPfrontEnd->OUTpBeginPlot))(ckt,(void*)ckt->CKTcurJob, ckt->CKTcurJob->JOBname,(IFuid)NULL,IF_REAL,numNames,nameList, IF_REAL,&acPlot); tfree(nameList); ipc_send_dcop_prefix(); CKTdump(ckt,(double)0,acPlot); ipc_send_dcop_suffix(); (*(SPfrontEnd->OUTendPlot))(acPlot); } /* gtri - end - wbk */ #endif ckt->CKTmode = (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITSMSIG; error = CKTload(ckt); if(error) return(error); error = CKTnames(ckt,&numNames,&nameList); if(error) return(error); if (ckt->CKTkeepOpInfo) { /* Dump operating point. */ error = (*(SPfrontEnd->OUTpBeginPlot))(ckt, (void*)ckt->CKTcurJob, "AC Operating Point", (IFuid)NULL,IF_REAL,numNames,nameList, IF_REAL,&plot); if(error) return(error); CKTdump(ckt,(double)0,plot); (*(SPfrontEnd->OUTendPlot))(plot); plot = NULL; } (*(SPfrontEnd->IFnewUid))(ckt,&freqUid,(IFuid)NULL, "frequency", UID_OTHER, NULL); error = (*(SPfrontEnd->OUTpBeginPlot))(ckt, (void*)ckt->CKTcurJob, ckt->CKTcurJob->JOBname,freqUid,IF_REAL,numNames,nameList, IF_COMPLEX,&acPlot); tfree(nameList); if(error) return(error); if (((ACAN*)ckt->CKTcurJob)->ACstepType != LINEAR) { (*(SPfrontEnd->OUTattributes))((void *)acPlot,NULL, OUT_SCALE_LOG, NULL); } freq = ((ACAN*)ckt->CKTcurJob)->ACstartFreq; } else { /* continue previous analysis */ freq = ((ACAN*)ckt->CKTcurJob)->ACsaveFreq; ((ACAN*)ckt->CKTcurJob)->ACsaveFreq = 0; /* clear the 'old' frequency */ /* fix resume? saj*/ error = (*(SPfrontEnd->OUTpBeginPlot))(ckt, (void*)ckt->CKTcurJob, ckt->CKTcurJob->JOBname,freqUid,IF_REAL,numNames,nameList, IF_COMPLEX,&acPlot); /* saj*/ } switch(((ACAN*)ckt->CKTcurJob)->ACstepType) { case DECADE: case OCTAVE: freqTol = ((ACAN*)ckt->CKTcurJob)->ACfreqDelta * ((ACAN*)ckt->CKTcurJob)->ACstopFreq * ckt->CKTreltol; break; case LINEAR: freqTol = ((ACAN*)ckt->CKTcurJob)->ACfreqDelta * ckt->CKTreltol; break; default: return(E_BADPARM); } #ifdef XSPICE /* gtri - add - wbk - 12/19/90 - Set anal_init and anal_type */ g_mif_info.circuit.anal_init = MIF_TRUE; /* Tell the code models what mode we're in */ g_mif_info.circuit.anal_type = MIF_AC; /* gtri - end - wbk */ #endif startTime = SPfrontEnd->IFseconds(); startdTime = ckt->CKTstat->STATdecompTime; startsTime = ckt->CKTstat->STATsolveTime; startlTime = ckt->CKTstat->STATloadTime; startcTime = ckt->CKTstat->STATcombineTime; startkTime = ckt->CKTstat->STATsyncTime; /* main loop through all scheduled frequencies */ while(freq <= ((ACAN*)ckt->CKTcurJob)->ACstopFreq+freqTol) { if( (*(SPfrontEnd->IFpauseTest))() ) { /* user asked us to pause via an interrupt */ ((ACAN*)ckt->CKTcurJob)->ACsaveFreq = freq; return(E_PAUSE); } ckt->CKTomega = 2.0 * M_PI *freq; /* Update opertating point, if variable 'hertz' is given */ if (ckt->CKTvarHertz) { #ifdef XSPICE /* Call EVTop if event-driven instances exist */ if(ckt->evt->counts.num_insts != 0) { error = EVTop(ckt, (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITJCT, (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITFLOAT, ckt->CKTdcMaxIter, MIF_TRUE); EVTdump(ckt, IPC_ANAL_DCOP, 0.0); EVTop_save(ckt, MIF_TRUE, 0.0); } else #endif // If no event-driven instances, do what SPICE normally does error = CKTop(ckt, (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITJCT, (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITFLOAT, ckt->CKTdcMaxIter); if(error){ fprintf(stdout,"\nAC operating point failed -\n"); CKTncDump(ckt); return(error); } ckt->CKTmode = (ckt->CKTmode & MODEUIC) | MODEDCOP | MODEINITSMSIG; error = CKTload(ckt); if(error) return(error); } ckt->CKTmode = (ckt->CKTmode&MODEUIC) | MODEAC; error = NIacIter(ckt); if (error) { ckt->CKTcurrentAnalysis = DOING_AC; ckt->CKTstat->STATacTime += SPfrontEnd->IFseconds() - startTime; ckt->CKTstat->STATacDecompTime += ckt->CKTstat->STATdecompTime - startdTime; ckt->CKTstat->STATacSolveTime += ckt->CKTstat->STATsolveTime - startsTime; ckt->CKTstat->STATacLoadTime += ckt->CKTstat->STATloadTime - startlTime; ckt->CKTstat->STATacCombTime += ckt->CKTstat->STATcombineTime - startcTime; ckt->CKTstat->STATacSyncTime += ckt->CKTstat->STATsyncTime - startkTime; return(error); } #ifdef WANT_SENSE2 if(ckt->CKTsenInfo && (ckt->CKTsenInfo->SENmode&ACSEN) ){ save = ckt->CKTmode; ckt->CKTmode=(ckt->CKTmode&MODEUIC)|MODEDCOP|MODEINITSMSIG; save1 = ckt->CKTsenInfo->SENmode; ckt->CKTsenInfo->SENmode = ACSEN; if(freq == ((ACAN*)ckt->CKTcurJob)->ACstartFreq){ ckt->CKTsenInfo->SENacpertflag = 1; } else{ ckt->CKTsenInfo->SENacpertflag = 0; } if(error = CKTsenAC(ckt)) return (error); ckt->CKTmode = save; ckt->CKTsenInfo->SENmode = save1; } #endif #ifdef XSPICE /* gtri - modify - wbk - 12/19/90 - Send IPC stuff */ if(g_ipc.enabled) ipc_send_data_prefix(freq); error = CKTacDump(ckt,freq,acPlot); if(g_ipc.enabled) ipc_send_data_suffix(); /* gtri - modify - wbk - 12/19/90 - Send IPC stuff */ #else error = CKTacDump(ckt,freq,acPlot); #endif if (error) { ckt->CKTcurrentAnalysis = DOING_AC; ckt->CKTstat->STATacTime += SPfrontEnd->IFseconds() - startTime; ckt->CKTstat->STATacDecompTime += ckt->CKTstat->STATdecompTime - startdTime; ckt->CKTstat->STATacSolveTime += ckt->CKTstat->STATsolveTime - startsTime; ckt->CKTstat->STATacLoadTime += ckt->CKTstat->STATloadTime - startlTime; ckt->CKTstat->STATacCombTime += ckt->CKTstat->STATcombineTime - startcTime; ckt->CKTstat->STATacSyncTime += ckt->CKTstat->STATsyncTime - startkTime; return(error); } /* increment frequency */ switch(((ACAN*)ckt->CKTcurJob)->ACstepType) { case DECADE: case OCTAVE: /* inserted again 14.12.2001 */ #ifdef HAS_WINDOWS { double endfreq = ((ACAN*)ckt->CKTcurJob)->ACstopFreq; double startfreq = ((ACAN*)ckt->CKTcurJob)->ACstartFreq; endfreq = log(endfreq); if (startfreq == 0.0) startfreq = 1e-12; startfreq = log(startfreq); if (freq > 0.0) SetAnalyse( "ac", (log(freq)-startfreq) * 1000.0 / (endfreq-startfreq)); } #endif freq *= ((ACAN*)ckt->CKTcurJob)->ACfreqDelta; if(((ACAN*)ckt->CKTcurJob)->ACfreqDelta==1) goto endsweep; break; case LINEAR: #ifdef HAS_WINDOWS { double endfreq = ((ACAN*)ckt->CKTcurJob)->ACstopFreq; double startfreq = ((ACAN*)ckt->CKTcurJob)->ACstartFreq; SetAnalyse( "ac", (freq - startfreq)* 1000.0 / (endfreq-startfreq)); } #endif freq += ((ACAN*)ckt->CKTcurJob)->ACfreqDelta; if(((ACAN*)ckt->CKTcurJob)->ACfreqDelta==0) goto endsweep; break; default: return(E_INTERN); } } endsweep: (*(SPfrontEnd->OUTendPlot))(acPlot); acPlot = NULL; ckt->CKTcurrentAnalysis = 0; ckt->CKTstat->STATacTime += SPfrontEnd->IFseconds() - startTime; ckt->CKTstat->STATacDecompTime += ckt->CKTstat->STATdecompTime - startdTime; ckt->CKTstat->STATacSolveTime += ckt->CKTstat->STATsolveTime - startsTime; ckt->CKTstat->STATacLoadTime += ckt->CKTstat->STATloadTime - startlTime; ckt->CKTstat->STATacCombTime += ckt->CKTstat->STATcombineTime - startcTime; ckt->CKTstat->STATacSyncTime += ckt->CKTstat->STATsyncTime - startkTime; return(0); }