static int dot_tf(char *line, CKTcircuit *ckt, INPtables *tab, struct card *current, TSKtask *task, CKTnode *gnode, JOB *foo) { char *name; /* the resistor's name */ int error; /* error code temporary */ IFvalue ptemp; /* a value structure to package resistance into */ int which; /* which analysis we are performing */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ /* .tf v( node1, node2 ) src */ /* .tf vsrc2 src */ which = ft_find_analysis("TF"); if (which == -1) { LITERR("Transfer Function analysis unsupported.\n"); return (0); } IFC(newAnalysis, (ckt, which, "Transfer Function", &foo, task)); INPgetTok(&line, &name, 0); /* name is now either V or I or a serious error */ if (*name == 'v' && strlen(name) == 1) { if (*line != '(' ) { /* error, bad input format */ } INPgetNetTok(&line, &nname1, 0); INPtermInsert(ckt, &nname1, tab, &node1); ptemp.nValue = node1; GCA(INPapName, (ckt, which, foo, "outpos", &ptemp)); if (*line != ')') { INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); ptemp.nValue = node2; GCA(INPapName, (ckt, which, foo, "outneg", &ptemp)); ptemp.sValue = tprintf("V(%s,%s)", nname1, nname2); GCA(INPapName, (ckt, which, foo, "outname", &ptemp)); } else { ptemp.nValue = gnode; GCA(INPapName, (ckt, which, foo, "outneg", &ptemp)); ptemp.sValue = tprintf("V(%s)", nname1); GCA(INPapName, (ckt, which, foo, "outname", &ptemp)); } } else if (*name == 'i' && strlen(name) == 1) { INPgetTok(&line, &name, 1); INPinsert(&name, tab); ptemp.uValue = name; GCA(INPapName, (ckt, which, foo, "outsrc", &ptemp)); } else { LITERR("Syntax error: voltage or current expected.\n"); return 0; } INPgetTok(&line, &name, 1); INPinsert(&name, tab); ptemp.uValue = name; GCA(INPapName, (ckt, which, foo, "insrc", &ptemp)); return (0); }
static int dot_dc(char *line, CKTcircuit *ckt, INPtables *tab, struct card *current, TSKtask *task, CKTnode *gnode, JOB *foo) { char *name; /* the resistor's name */ int error; /* error code temporary */ IFvalue ptemp; /* a value structure to package resistance into */ IFvalue *parm; /* a pointer to a value struct for function returns */ int which; /* which analysis we are performing */ NG_IGNORE(gnode); /* .dc SRC1NAME Vstart1 Vstop1 Vinc1 [SRC2NAME Vstart2 */ /* Vstop2 Vinc2 */ which = ft_find_analysis("DC"); if (which == -1) { LITERR("DC transfer curve analysis unsupported\n"); return (0); } IFC(newAnalysis, (ckt, which, "DC transfer characteristic", &foo, task)); INPgetTok(&line, &name, 1); INPinsert(&name, tab); ptemp.uValue = name; GCA(INPapName, (ckt, which, foo, "name1", &ptemp)); parm = INPgetValue(ckt, &line, IF_REAL, tab); /* vstart1 */ GCA(INPapName, (ckt, which, foo, "start1", parm)); parm = INPgetValue(ckt, &line, IF_REAL, tab); /* vstop1 */ GCA(INPapName, (ckt, which, foo, "stop1", parm)); parm = INPgetValue(ckt, &line, IF_REAL, tab); /* vinc1 */ GCA(INPapName, (ckt, which, foo, "step1", parm)); if (*line) { INPgetTok(&line, &name, 1); INPinsert(&name, tab); ptemp.uValue = name; GCA(INPapName, (ckt, which, foo, "name2", &ptemp)); parm = INPgetValue(ckt, &line, IF_REAL, tab); /* vstart2 */ GCA(INPapName, (ckt, which, foo, "start2", parm)); parm = INPgetValue(ckt, &line, IF_REAL, tab); /* vstop2 */ GCA(INPapName, (ckt, which, foo, "stop2", parm)); parm = INPgetValue(ckt, &line, IF_REAL, tab); /* vinc2 */ GCA(INPapName, (ckt, which, foo, "step2", parm)); } return 0; }
void INP2G(void *ckt, INPtables * tab, card * current) { /* Gname <node> <node> <node> <node> <val> */ int type; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *name; /* the resistor's name */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ char *nname3; /* the third node's name */ char *nname4; /* the fourth node's name */ void *node1; /* the first node's node pointer */ void *node2; /* the second node's node pointer */ void *node3; /* the third node's node pointer */ void *node4; /* the fourth node's node pointer */ int error; /* error code temporary */ void *fast; /* pointer to the actual instance */ IFvalue ptemp; /* a value structure to package resistance into */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ IFuid uid; /* uid of default model to be created */ type = INPtypelook("VCCS"); if (type < 0) { LITERR("Device type VCCS not supported by this binary\n"); return; } line = current->line; INPgetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); INPgetNetTok(&line, &nname3, 1); INPtermInsert(ckt, &nname3, tab, &node3); INPgetNetTok(&line, &nname4, 1); INPtermInsert(ckt, &nname4, tab, &node4); if (!tab->defGmod) { /* create default G model */ IFnewUid(ckt, &uid, (IFuid) NULL, "G", UID_MODEL, (void **) NULL); IFC(newModel, (ckt, type, &(tab->defGmod), uid)); } IFC(newInstance, (ckt, tab->defGmod, &fast, name)); IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); IFC(bindNode, (ckt, fast, 3, node3)); IFC(bindNode, (ckt, fast, 4, node4)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); if (waslead) { ptemp.rValue = leadval; GCA(INPpName, ("gain", &ptemp, ckt, type, fast)); } }
void INP2T(CKTcircuit *ckt, INPtables * tab, card * current) { /* Tname <node> <node> <node> <node> [TD=<val>] * [F=<val> [NL=<val>]][IC=<val>,<val>,<val>,<val>] */ int type; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *name; /* the resistor's name */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ char *nname3; /* the third node's name */ char *nname4; /* the fourth node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ CKTnode *node3; /* the third node's node pointer */ CKTnode *node4; /* the fourth node's node pointer */ int error; /* error code temporary */ GENinstance *fast; /* pointer to the actual instance */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ IFuid uid; /* uid for default model */ type = INPtypelook("Tranline"); if (type < 0) { LITERR("Device type Tranline not supported by this binary\n"); return; } line = current->line; INPgetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); INPgetNetTok(&line, &nname3, 1); INPtermInsert(ckt, &nname3, tab, &node3); INPgetNetTok(&line, &nname4, 1); INPtermInsert(ckt, &nname4, tab, &node4); if (!tab->defTmod) { /* create deafult T model */ IFnewUid(ckt, &uid, NULL, "T", UID_MODEL, NULL); IFC(newModel, (ckt, type, &(tab->defTmod), uid)); } IFC(newInstance, (ckt, tab->defTmod, &fast, name)); IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); IFC(bindNode, (ckt, fast, 3, node3)); IFC(bindNode, (ckt, fast, 4, node4)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); }
/* va: we should use tmalloc, whith also makes failure test */ int IFnewUid(void *ckt, IFuid * newuid, IFuid olduid, char *suffix, int type, void **nodedata) { char *newname; int error; if (olduid) { #ifdef HAVE_ASPRINTF asprintf(&newname, "%s#%s", (char *) olduid, suffix); #else /* ~ HAVE_ASPRINTF */ newname = (char *) tmalloc(strlen((char *) olduid) + strlen(suffix) + 2); /* 2 = strlen("#\0") */ sprintf(newname, "%s#%s", (char *) olduid, suffix); #endif /* HAVE_ASPRINTF */ } else { #ifdef HAVE_ASPRINTF asprintf(&newname, "%s", suffix); #else /* ~ HAVE_ASPRINTF */ newname = (char *) tmalloc(strlen(suffix) + 1 ); sprintf(newname, "%s", suffix); #endif /* HAVE_ASPRINTF */ } switch (type) { case UID_ANALYSIS: case UID_TASK: case UID_INSTANCE: case UID_OTHER: case UID_MODEL: error = INPinsert(&newname, (INPtables *) ft_curckt->ci_symtab); if (error && error != E_EXISTS) return (error); *newuid = (IFuid) newname; break; case UID_SIGNAL: error = INPmkTerm(ckt, &newname, (INPtables *) ft_curckt->ci_symtab, nodedata); if (error && error != E_EXISTS) return (error); *newuid = (IFuid) newname; break; default: return (E_BADPARM); } return (OK); }
/* va: we should use tmalloc, whith also makes failure test */ int IFnewUid(CKTcircuit *ckt, IFuid * newuid, IFuid olduid, char *suffix, int type, CKTnode **nodedata) { char *newname; int error; if (olduid) newname = tprintf("%s#%s", olduid, suffix); else newname = tprintf("%s", suffix); switch (type) { case UID_ANALYSIS: case UID_TASK: case UID_INSTANCE: case UID_OTHER: case UID_MODEL: error = INPinsert(&newname, ft_curckt->ci_symtab); if (error && error != E_EXISTS) return (error); *newuid = newname; break; case UID_SIGNAL: error = INPmkTerm(ckt, &newname, ft_curckt->ci_symtab, nodedata); if (error && error != E_EXISTS) return (error); *newuid = newname; break; default: return (E_BADPARM); } return (OK); }
static int dot_sens(char *line, CKTcircuit *ckt, INPtables *tab, struct card *current, TSKtask *task, CKTnode *gnode, JOB *foo) { char *name; /* the resistor's name */ int error; /* error code temporary */ IFvalue ptemp; /* a value structure to package resistance into */ IFvalue *parm; /* a pointer to a value struct for function returns */ int which; /* which analysis we are performing */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ char *steptype; /* ac analysis, type of stepping function */ which = ft_find_analysis("SENS"); if (which == -1) { LITERR("Sensitivity unsupported.\n"); return (0); } IFC(newAnalysis, (ckt, which, "Sensitivity Analysis", &foo, task)); /* Format is: * .sens <output> * + [ac [dec|lin|oct] <pts> <low freq> <high freq> | dc ] */ /* Get the output voltage or current */ INPgetTok(&line, &name, 0); /* name is now either V or I or a serious error */ if (*name == 'v' && strlen(name) == 1) { if (*line != '(') { LITERR("Syntax error: '(' expected after 'v'\n"); return 0; } INPgetNetTok(&line, &nname1, 0); INPtermInsert(ckt, &nname1, tab, &node1); ptemp.nValue = node1; GCA(INPapName, (ckt, which, foo, "outpos", &ptemp)); if (*line != ')') { INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); ptemp.nValue = node2; GCA(INPapName, (ckt, which, foo, "outneg", &ptemp)); ptemp.sValue = tprintf("V(%s,%s)", nname1, nname2); GCA(INPapName, (ckt, which, foo, "outname", &ptemp)); } else { ptemp.nValue = gnode; GCA(INPapName, (ckt, which, foo, "outneg", &ptemp)); ptemp.sValue = tprintf("V(%s)", nname1); GCA(INPapName, (ckt, which, foo, "outname", &ptemp)); } } else if (*name == 'i' && strlen(name) == 1) { INPgetTok(&line, &name, 1); INPinsert(&name, tab); ptemp.uValue = name; GCA(INPapName, (ckt, which, foo, "outsrc", &ptemp)); } else { LITERR("Syntax error: voltage or current expected.\n"); return 0; } INPgetTok(&line, &name, 1); if (name && !strcmp(name, "pct")) { ptemp.iValue = 1; GCA(INPapName, (ckt, which, foo, "pct", &ptemp)); INPgetTok(&line, &name, 1); } if (name && !strcmp(name, "ac")) { INPgetTok(&line, &steptype, 1); /* get DEC, OCT, or LIN */ ptemp.iValue = 1; GCA(INPapName, (ckt, which, foo, steptype, &ptemp)); parm = INPgetValue(ckt, &line, IF_INTEGER, tab); /* number of points */ GCA(INPapName, (ckt, which, foo, "numsteps", parm)); parm = INPgetValue(ckt, &line, IF_REAL, tab); /* fstart */ GCA(INPapName, (ckt, which, foo, "start", parm)); parm = INPgetValue(ckt, &line, IF_REAL, tab); /* fstop */ GCA(INPapName, (ckt, which, foo, "stop", parm)); return (0); } else if (name && *name && strcmp(name, "dc")) { /* Bad flag */ LITERR("Syntax error: 'ac' or 'dc' expected.\n"); return 0; } return (0); }
void INP2O(CKTcircuit *ckt, INPtables * tab, card * current) { /* Oname <node> <node> <node> <node> [IC=<val>,<val>,<val>,<val>] */ int type; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *name; /* the resistor's name */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ char *nname3; /* the third node's name */ char *nname4; /* the fourth node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ CKTnode *node3; /* the third node's node pointer */ CKTnode *node4; /* the fourth node's node pointer */ int error; /* error code temporary */ GENinstance *fast; /* pointer to the actual instance */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ char *model; /* the name of the model */ INPmodel *thismodel; /* pointer to model description for user's model */ GENmodel *mdfast; /* pointer to the actual model */ IFuid uid; /* uid for default model */ type = INPtypelook("LTRA"); if (type < 0) { LITERR("Device type LossyXmissionLine not supported by this binary\n"); return; } line = current->line; INPgetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); INPgetNetTok(&line, &nname3, 1); INPtermInsert(ckt, &nname3, tab, &node3); INPgetNetTok(&line, &nname4, 1); INPtermInsert(ckt, &nname4, tab, &node4); INPgetTok(&line, &model, 1); if (INPlookMod(model)) { /* do nothing for now */ /* no action required */ } else { /* nname4 = model; INPtermInsert(ckt,&nname4,tab,&node4); INPgetTok(&line,&model,1); */ } INPinsert(&model, tab); current->error = INPgetMod(ckt, model, &thismodel, tab); if (thismodel != NULL) { if (type != thismodel->INPmodType) { LITERR("incorrect model type"); return; } mdfast = (thismodel->INPmodfast); } else { if (!tab->defOmod) { /* create default O model */ IFnewUid(ckt, &uid, NULL, "O", UID_MODEL, NULL); IFC(newModel, (ckt, type, &(tab->defOmod), uid)); } mdfast = tab->defOmod; } IFC(newInstance, (ckt, mdfast, &fast, name)); IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); IFC(bindNode, (ckt, fast, 3, node3)); IFC(bindNode, (ckt, fast, 4, node4)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); }
void INP2R(void *ckt, INPtables * tab, card * current) { /* parse a resistor card */ /* Rname <node> <node> [<val>][<mname>][w=<val>][l=<val>][ac=<val>] */ int mytype; /* the type we determine resistors are */ int type = 0; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *saveline; /* ... just in case we need to go back... */ char *name; /* the resistor's name */ char *model; /* the name of the resistor's model */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ void *node1; /* the first node's node pointer */ void *node2; /* the second node's node pointer */ double val; /* temp to held resistance */ int error; /* error code temporary */ int error1; /* secondary error code temporary */ INPmodel *thismodel; /* pointer to model structure describing our model */ void *mdfast = NULL; /* pointer to the actual model */ void *fast; /* pointer to the actual instance */ IFvalue ptemp; /* a value structure to package resistance into */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ IFuid uid; /* uid for default model */ char *s,*t;/* Temporary buffer and pointer for translation */ int i; #ifdef TRACE printf("In INP2R()\n"); printf(" Current line: %s\n",current->line); #endif mytype = INPtypelook("Resistor"); if (mytype < 0) { LITERR("Device type Resistor not supported by this binary\n"); return; } line = current->line; INPgetTok(&line, &name, 1); /* Rname */ INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); /* <node> */ INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); /* <node> */ INPtermInsert(ckt, &nname2, tab, &node2); val = INPevaluate(&line, &error1, 1); /* [<val>] */ /* either not a number -> model, or * follows a number, so must be a model name * -> MUST be a model name (or null) */ saveline = line; /* save then old pointer */ #ifdef TRACE printf("Begining tc=xxx yyyy search and translation in '%s'\n", line); #endif /* TRACE */ /* This routine translates "tc=xxx yyy" to "tc=xxx tc2=yyy". This is a re-write of the routine originally proposed by Hitoshi tanaka. In my version we simply look for the first occurence of 'tc' followed by '=' followed by two numbers. If we find it then we splice in "tc2=". sjb - 2005-05-09 */ for(s=line; *s; s++) { /* scan the remainder of the line */ /* reject anything other than "tc" */ if(*s!='t') continue; s++; if(*s!='c') continue; s++; /* skip any white space */ while(isspace(*s)) s++; /* reject if not '=' */ if(*s!='=') continue; s++; /* skip any white space */ while(isspace(*s)) s++; /* if we now have +, - or a decimal digit then assume we have a number, otherwise reject */ if((*s!='+') && (*s!='-') && !isdigit(*s)) continue; s++; /* look for next white space or null */ while(!isspace(*s) && *s) s++; /* reject whole line if null (i.e not white space) */ if(*s==0) break; s++; /* remember this location in the line. Note that just before this location is a white space character. */ t = s; /* skip any additional white space */ while(isspace(*s)) s++; /* if we now have +, - or a decimal digit then assume we have the second number, otherwise reject */ if((*s!='+') && (*s!='-') && !isdigit(*s)) continue; /* if we get this far we have met all are criterea, so now we splice in a "tc2=" at the location remembered above. */ /* first alocate memory for the new longer line */ i = strlen(current->line); /* length of existing line */ line = tmalloc(i + 4 + 1); /* alocate enough for "tc2=" & terminating NULL */ if(line == NULL) { /* failed to allocate memory so we recover rather crudely by rejecting the translation */ line = saveline; break; } /* copy first part of line */ i -= strlen(t); strncpy(line,current->line,i); line[i]=0; /* terminate */ /* add "tc2=" */ strcat(line, "tc2="); /* add rest of line */ strcat(line, t); /* calculate our saveline position in the new line */ saveline = line + (saveline - current->line); /* replace old line with new */ tfree(current->line); current->line = line; line = saveline; } #ifdef TRACE printf("(Translated) Res line: %s\n",current->line); #endif INPgetTok(&line, &model, 1); if (*model) { /* token isn't null */ if (INPlookMod(model)) { /* If this is a valid model connect it */ INPinsert(&model, tab); thismodel = (INPmodel *) NULL; current->error = INPgetMod(ckt, model, &thismodel, tab); if (thismodel != NULL) { if (mytype != thismodel->INPmodType) { LITERR("incorrect model type for resistor"); return; } mdfast = thismodel->INPmodfast; type = thismodel->INPmodType; } } else { tfree(model); /* It is not a model */ line = saveline; /* go back */ type = mytype; if (!tab->defRmod) { /* create default R model */ IFnewUid(ckt, &uid, (IFuid) NULL, "R", UID_MODEL, (void **) NULL); IFC(newModel, (ckt, type, &(tab->defRmod), uid)); } mdfast = tab->defRmod; } IFC(newInstance, (ckt, mdfast, &fast, name)); } else { tfree(model); /* The token is null and a default model will be created */ type = mytype; if (!tab->defRmod) { /* create default R model */ IFnewUid(ckt, &uid, (IFuid) NULL, "R", UID_MODEL, (void **) NULL); IFC(newModel, (ckt, type, &(tab->defRmod), uid)); } IFC(newInstance, (ckt, tab->defRmod, &fast, name)); } if (error1 == 0) { /* got a resistance above */ ptemp.rValue = val; GCA(INPpName, ("resistance", &ptemp, ckt, type, fast)) }
static INPparseNode *mkfnode(char *fname, INPparseNode * arg) { int i; INPparseNode *p; char buf[128], *name, *s; IFvalue temp; /* Make sure the case is ok. */ (void) strcpy(buf, fname); for (s = buf; *s; s++) if (isupper(*s)) *s = tolower(*s); p = (INPparseNode *) MALLOC(sizeof(INPparseNode)); if (!strcmp(buf, "v")) { name = MALLOC(128); if (arg->type == PT_PLACEHOLDER) { strcpy(name, arg->funcname); } else if (arg->type == PT_CONSTANT) { (void) sprintf(name, "%d", (int) arg->constant); } else if (arg->type != PT_COMMA) { fprintf(stderr, "Error: badly formed node voltage\n"); return (NULL); } if (arg->type == PT_COMMA) { /* Change v(a,b) into v(a) - v(b) */ p = mkb(PT_MINUS, mkfnode(fname, arg->left), mkfnode(fname, arg->right)); } else { /* printf("getting a node called '%s'\n", name); */ INPtermInsert(circuit, &name, tables, &(temp.nValue)); for (i = 0; i < numvalues; i++) if ((types[i] == IF_NODE) && (values[i].nValue == temp.nValue)) break; if (i == numvalues) { if (numvalues) { values = (IFvalue *) REALLOC((char *) values, (numvalues + 1) * sizeof(IFvalue)); types = (int *) REALLOC((char *) types, (numvalues + 1) * sizeof(int)); } else { values = (IFvalue *) MALLOC(sizeof(IFvalue)); types = (int *) MALLOC(sizeof(int)); } values[i] = temp; types[i] = IF_NODE; numvalues++; } p->valueIndex = i; p->type = PT_VAR; } } else if (!strcmp(buf, "i")) { name = MALLOC(128); if (arg->type == PT_PLACEHOLDER) strcpy(name, arg->funcname); else if (arg->type == PT_CONSTANT) (void) sprintf(name, "%d", (int) arg->constant); else { fprintf(stderr, "Error: badly formed branch current\n"); return (NULL); } /* printf("getting a device called '%s'\n", name); */ INPinsert(&name, tables); for (i = 0; i < numvalues; i++) if ((types[i] == IF_INSTANCE) && (values[i].uValue == temp.uValue)) break; if (i == numvalues) { if (numvalues) { values = (IFvalue *) REALLOC((char *) values, (numvalues + 1) * sizeof(IFvalue)); types = (int *) REALLOC((char *) types, (numvalues + 1) * sizeof(int)); } else { values = (IFvalue *) MALLOC(sizeof(IFvalue)); types = (int *) MALLOC(sizeof(int)); } values[i].uValue = (IFuid) name; types[i] = IF_INSTANCE; numvalues++; } p->valueIndex = i; p->type = PT_VAR; } else { for (i = 0; i < NUM_FUNCS; i++) if (!strcmp(funcs[i].name, buf)) break; if (i == NUM_FUNCS) { fprintf(stderr, "Error: no such function '%s'\n", buf); return (NULL); } p->type = PT_FUNCTION; p->left = arg; p->funcname = funcs[i].name; p->funcnum = funcs[i].number; p->function = funcs[i].funcptr; } return (p); }
static int dot_noise(char *line, void *ckt, INPtables *tab, card *current, void *task, void *gnode, void *foo) { int which; /* which analysis we are performing */ int i; /* generic loop variable */ int error; /* error code temporary */ char *name; /* the resistor's name */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ void *node1; /* the first node's node pointer */ void *node2; /* the second node's node pointer */ IFvalue ptemp; /* a value structure to package resistance into */ IFvalue *parm; /* a pointer to a value struct for function returns */ char *steptype; /* ac analysis, type of stepping function */ int found; char *point; /* .noise V(OUTPUT,REF) SRC {DEC OCT LIN} NP FSTART FSTOP <PTSPRSUM> */ which = -1; for (i = 0; i < ft_sim->numAnalyses; i++) { if (strcmp(ft_sim->analyses[i]->name, "NOISE") == 0) { which = i; break; } } if (which == -1) { LITERR("Noise analysis unsupported.\n"); return (0); } IFC(newAnalysis, (ckt, which, "Noise Analysis", &foo, task)); INPgetTok(&line, &name, 1); /* Make sure the ".noise" command is followed by V(xxxx). If it is, extract 'xxxx'. If not, report an error. */ if (name != NULL) { int length; length = strlen(name); if (((*name == 'V') || (*name == 'v')) && (length == 1)) { INPgetNetTok(&line, &nname1, 0); INPtermInsert(ckt, &nname1, tab, &node1); ptemp.nValue = (IFnode) node1; GCA(INPapName, (ckt, which, foo, "output", &ptemp)) if (*line != ')') { INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); ptemp.nValue = (IFnode) node2; } else { ptemp.nValue = (IFnode) gnode; } GCA(INPapName, (ckt, which, foo, "outputref", &ptemp)) INPgetTok(&line, &name, 1); INPinsert(&name, tab); ptemp.uValue = name; GCA(INPapName, (ckt, which, foo, "input", &ptemp)) INPgetTok(&line, &steptype, 1); ptemp.iValue = 1; error = INPapName(ckt, which, foo, steptype, &ptemp); if (error) current->error = INPerrCat(current->error, INPerror(error)); parm = INPgetValue(ckt, &line, IF_INTEGER, tab); error = INPapName(ckt, which, foo, "numsteps", parm); if (error) current->error = INPerrCat(current->error, INPerror(error)); parm = INPgetValue(ckt, &line, IF_REAL, tab); error = INPapName(ckt, which, foo, "start", parm); if (error) current->error = INPerrCat(current->error, INPerror(error)); parm = INPgetValue(ckt, &line, IF_REAL, tab); error = INPapName(ckt, which, foo, "stop", parm); if (error) current->error = INPerrCat(current->error, INPerror(error)); /* now see if "ptspersum" has been specified by the user */ for (found = 0, point = line; (!found) && (*point != '\0'); found = ((*point != ' ') && (*(point++) != '\t'))); if (found) { parm = INPgetValue(ckt, &line, IF_INTEGER, tab); error = INPapName(ckt, which, foo, "ptspersum", parm); if (error) current->error = INPerrCat(current->error, INPerror(error)); } else { ptemp.iValue = 0; error = INPapName(ckt, which, foo, "ptspersum", &ptemp); if (error) current->error = INPerrCat(current->error, INPerror(error)); } } else
static int dot_noise(char *line, CKTcircuit *ckt, INPtables *tab, struct card *current, TSKtask *task, CKTnode *gnode, JOB *foo) { int which; /* which analysis we are performing */ int error; /* error code temporary */ char *name; /* the resistor's name */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ IFvalue ptemp; /* a value structure to package resistance into */ IFvalue *parm; /* a pointer to a value struct for function returns */ char *steptype; /* ac analysis, type of stepping function */ int found; char *point; /* .noise V(OUTPUT,REF) SRC {DEC OCT LIN} NP FSTART FSTOP <PTSPRSUM> */ which = ft_find_analysis("NOISE"); if (which == -1) { LITERR("Noise analysis unsupported.\n"); return (0); } IFC(newAnalysis, (ckt, which, "Noise Analysis", &foo, task)); INPgetTok(&line, &name, 1); /* Make sure the ".noise" command is followed by V(xxxx). If it is, extract 'xxxx'. If not, report an error. */ if (name != NULL) { if ((*name == 'V' || *name == 'v') && !name[1]) { INPgetNetTok(&line, &nname1, 0); INPtermInsert(ckt, &nname1, tab, &node1); ptemp.nValue = node1; GCA(INPapName, (ckt, which, foo, "output", &ptemp)); if (*line != ')') { INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); ptemp.nValue = node2; } else { ptemp.nValue = gnode; } GCA(INPapName, (ckt, which, foo, "outputref", &ptemp)); tfree(name); INPgetTok(&line, &name, 1); INPinsert(&name, tab); ptemp.uValue = name; GCA(INPapName, (ckt, which, foo, "input", &ptemp)); INPgetTok(&line, &steptype, 1); ptemp.iValue = 1; error = INPapName(ckt, which, foo, steptype, &ptemp); tfree(steptype); if (error) current->error = INPerrCat(current->error, INPerror(error)); parm = INPgetValue(ckt, &line, IF_INTEGER, tab); error = INPapName(ckt, which, foo, "numsteps", parm); if (error) current->error = INPerrCat(current->error, INPerror(error)); parm = INPgetValue(ckt, &line, IF_REAL, tab); error = INPapName(ckt, which, foo, "start", parm); if (error) current->error = INPerrCat(current->error, INPerror(error)); parm = INPgetValue(ckt, &line, IF_REAL, tab); error = INPapName(ckt, which, foo, "stop", parm); if (error) current->error = INPerrCat(current->error, INPerror(error)); /* now see if "ptspersum" has been specified by the user */ for (found = 0, point = line; (!found) && (*point != '\0'); found = ((*point != ' ') && (*(point++) != '\t'))) ; if (found) { parm = INPgetValue(ckt, &line, IF_INTEGER, tab); error = INPapName(ckt, which, foo, "ptspersum", parm); if (error) current->error = INPerrCat(current->error, INPerror(error)); } else { ptemp.iValue = 0; error = INPapName(ckt, which, foo, "ptspersum", &ptemp); if (error) current->error = INPerrCat(current->error, INPerror(error)); } } else LITERR("bad syntax " "[.noise v(OUT) SRC {DEC OCT LIN} " "NP FSTART FSTOP <PTSPRSUM>]\n"); } else { LITERR("bad syntax " "[.noise v(OUT) SRC {DEC OCT LIN} " "NP FSTART FSTOP <PTSPRSUM>]\n"); } return 0; }
void INP2S(void *ckt, INPtables * tab, card * current) { /* Sname <node> <node> <node> <node> [<modname>] [IC] */ /* VOLTAGE CONTROLLED SWITCH */ int mytype; /* the type we determine resistors are */ int type; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *name; /* the resistor's name */ char *model; /* the name of the resistor's model */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ char *nname3; /* the third node's name */ char *nname4; /* the fourth node's name */ void *node1; /* the first node's node pointer */ void *node2; /* the second node's node pointer */ void *node3; /* the third node's node pointer */ void *node4; /* the fourth node's node pointer */ int error; /* error code temporary */ INPmodel *thismodel; /* pointer to model structure describing our model */ void *mdfast; /* pointer to the actual model */ void *fast; /* pointer to the actual instance */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ IFuid uid; /* uid of default model */ mytype = INPtypelook("Switch"); if (mytype < 0) { LITERR("Device type Switch not supported by this binary\n"); return; } line = current->line; INPgetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); INPgetNetTok(&line, &nname3, 1); INPtermInsert(ckt, &nname3, tab, &node3); INPgetNetTok(&line, &nname4, 1); INPtermInsert(ckt, &nname4, tab, &node4); INPgetTok(&line, &model, 1); INPinsert(&model, tab); current->error = INPgetMod(ckt, model, &thismodel, tab); if (thismodel != NULL) { if (mytype != thismodel->INPmodType) { LITERR("incorrect model type"); return; } type = mytype; mdfast = (thismodel->INPmodfast); } else { type = mytype; if (!tab->defSmod) { /* create deafult S model */ IFnewUid(ckt, &uid, (IFuid) NULL, "S", UID_MODEL, (void **) NULL); IFC(newModel, (ckt, type, &(tab->defSmod), uid)); } mdfast = tab->defSmod; } IFC(newInstance, (ckt, mdfast, &fast, name)); IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); IFC(bindNode, (ckt, fast, 3, node3)); IFC(bindNode, (ckt, fast, 4, node4)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); if (waslead) { /* ignore a number */ } }
void INP2Z(CKTcircuit *ckt, INPtables * tab, card * current) { /* Zname <node> <node> <node> <model> [<val>] [OFF] [IC=<val>,<val>] */ int type; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *name; /* the resistor's name */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ char *nname3; /* the third node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ CKTnode *node3; /* the third node's node pointer */ int error; /* error code temporary */ GENinstance *fast; /* pointer to the actual instance */ IFvalue ptemp; /* a value structure to package resistance into */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ char *model; /* the name of the model */ INPmodel *thismodel; /* pointer to model description for user's model */ GENmodel *mdfast; /* pointer to the actual model */ IFuid uid; /* uid for default model */ line = current->line; INPgetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); INPgetNetTok(&line, &nname3, 1); INPtermInsert(ckt, &nname3, tab, &node3); INPgetTok(&line, &model, 1); INPinsert(&model, tab); thismodel = NULL; current->error = INPgetMod(ckt, model, &thismodel, tab); if (thismodel != NULL) { if ( thismodel->INPmodType != INPtypelook("MES") && thismodel->INPmodType != INPtypelook("MESA") && thismodel->INPmodType != INPtypelook("HFET1") && thismodel->INPmodType != INPtypelook("HFET2")) { LITERR("incorrect model type"); return; } type = thismodel->INPmodType; mdfast = (thismodel->INPmodfast); } else { type = INPtypelook("MES"); if (type < 0 ) { LITERR("Device type MES not supported by this binary\n"); return; } if (!tab->defZmod) { /* create default Z model */ IFnewUid(ckt, &uid, NULL, "Z", UID_MODEL, NULL); IFC(newModel, (ckt, type, &(tab->defZmod), uid)); } mdfast = tab->defZmod; } IFC(newInstance, (ckt, mdfast, &fast, name)); IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); IFC(bindNode, (ckt, fast, 3, node3)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); /* use type - not thismodel->INPmodType as it might not exist! */ /* FIXME: Why do we need checking for type here? */ if ( (waslead) && ( type /*thismodel->INPmodType*/ != INPtypelook("MES") ) ) { ptemp.rValue = leadval; GCA(INPpName, ("area", &ptemp, ckt, type, fast)); } }
void INP2W(CKTcircuit *ckt, INPtables * tab, card * current) { /* Wname <node> <node> <vctrl> [<modname>] [IC] */ /* CURRENT CONTROLLED SWITCH */ int mytype; /* the type we determine resistors are */ int type; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *name; /* the resistor's name */ char *model; /* the name of the resistor's model */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ int error; /* error code temporary */ INPmodel *thismodel; /* pointer to model structure describing our model */ GENmodel *mdfast; /* pointer to the actual model */ GENinstance *fast; /* pointer to the actual instance */ IFvalue ptemp; /* a value structure to package resistance into */ IFvalue *parm; /* pointer to a value structure for functions to return */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ IFuid uid; /* uid for default model */ mytype = INPtypelook("CSwitch"); if (mytype < 0) { LITERR("Device type CSwitch not supported by this binary\n"); return; } line = current->line; INPgetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); parm = INPgetValue(ckt, &line, IF_INSTANCE, tab); ptemp.uValue = parm->uValue; INPgetTok(&line, &model, 1); INPinsert(&model, tab); current->error = INPgetMod(ckt, model, &thismodel, tab); if (thismodel != NULL) { if (mytype != thismodel->INPmodType) { LITERR("incorrect model type"); return; } type = mytype; mdfast = (thismodel->INPmodfast); } else { type = mytype; if (!tab->defWmod) { /* create deafult W model */ IFnewUid(ckt, &uid, NULL, "W", UID_MODEL, NULL); IFC(newModel, (ckt, type, &(tab->defWmod), uid)); } mdfast = tab->defWmod; } IFC(newInstance, (ckt, mdfast, &fast, name)); GCA(INPpName, ("control", &ptemp, ckt, type, fast)); IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); if (waslead) { /* ignore a number */ } }
void INP2U(void *ckt, INPtables * tab, card * current) { /* Uname <node> <node> <model> [l=<val>] [n=<val>] */ int mytype; /* the type my lookup says URC is */ int type; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *name; /* the resistor's name */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ char *nname3; /* the third node's name */ void *node1; /* the first node's node pointer */ void *node2; /* the second node's node pointer */ void *node3; /* the third node's node pointer */ int error; /* error code temporary */ void *fast; /* pointer to the actual instance */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ char *model; /* name of the model */ INPmodel *thismodel; /* pointer to our model descriptor */ void *mdfast; /* pointer to the actual model */ IFuid uid; /* uid for default model */ mytype = INPtypelook("URC"); if (mytype < 0) { LITERR("Device type URC not supported by this binary\n"); return; } line = current->line; INPgetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); INPgetNetTok(&line, &nname3, 1); INPtermInsert(ckt, &nname3, tab, &node3); INPgetTok(&line, &model, 1); INPinsert(&model, tab); current->error = INPgetMod(ckt, model, &thismodel, tab); if (thismodel != NULL) { if (mytype != thismodel->INPmodType) { LITERR("incorrect model type"); return; } type = mytype; mdfast = (thismodel->INPmodfast); } else { type = mytype; if (!tab->defUmod) { /* create deafult U model */ IFnewUid(ckt, &uid, (IFuid) NULL, "U", UID_MODEL, (void **) NULL); IFC(newModel, (ckt, type, &(tab->defUmod), uid)); } mdfast = tab->defUmod; } IFC(newInstance, (ckt, mdfast, &fast, name)); IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); IFC(bindNode, (ckt, fast, 3, node3)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); }
void INP2D(CKTcircuit *ckt, INPtables * tab, card * current) { /* Dname <node> <node> <model> [<val>] [OFF] [IC=<val>] */ int mytype; /* the type we looked up */ int type; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *name; /* the resistor's name */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ int error; /* error code temporary */ GENinstance *fast; /* pointer to the actual instance */ IFvalue ptemp; /* a value structure to package resistance into */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ char *model; /* the name of the model */ INPmodel *thismodel; /* pointer to model description for user's model */ GENmodel *mdfast; /* pointer to the actual model */ IFuid uid; /* uid of default model */ mytype = INPtypelook("Diode"); if (mytype < 0) { LITERR("Device type Diode not supported by this binary\n"); return; } line = current->line; INPgetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); INPgetTok(&line, &model, 1); INPinsert(&model, tab); current->error = INPgetMod(ckt, model, &thismodel, tab); if (thismodel != NULL) { if ((mytype != thismodel->INPmodType) #ifdef CIDER && (thismodel->INPmodType != INPtypelook("NUMD")) && (thismodel->INPmodType != INPtypelook("NUMD2")) #endif ){ LITERR("incorrect model type"); return; } type = thismodel->INPmodType; /*HT 050903*/ mdfast = (thismodel->INPmodfast); } else { type = mytype; if (!tab->defDmod) { /* create default D model */ IFnewUid(ckt, &uid, NULL, "D", UID_MODEL, NULL); IFC(newModel, (ckt, type, &(tab->defDmod), uid)); } mdfast = tab->defDmod; } IFC(newInstance, (ckt, mdfast, &fast, name)); IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); if (waslead) { #ifdef CIDER if( type == INPtypelook("NUMD2") ) { LITERR(" error: no unlabelled parameter permitted on NUMD2\n"); } else { #endif ptemp.rValue = leadval; GCA(INPpName, ("area", &ptemp, ckt, type, fast)); } #ifdef CIDER } #endif }
void INP2C(CKTcircuit *ckt, INPtables * tab, struct card *current) { /* parse a capacitor card */ /* Cname <node> <node> [<val>] [<mname>] [IC=<val>] */ static int mytype = -1; /* the type we determine capacitors are */ int type = 0; /* the type the model says it is */ char *line; /* the part of the current line left to parse */ char *saveline; /* ... just in case we need to go back... */ char *name; /* the resistor's name */ char *model; /* the name of the capacitor's model */ char *nname1; /* the first node's name */ char *nname2; /* the second node's name */ CKTnode *node1; /* the first node's node pointer */ CKTnode *node2; /* the second node's node pointer */ double val; /* temp to held resistance */ int error; /* error code temporary */ int error1; /* secondary error code temporary */ INPmodel *thismodel; /* pointer to model structure describing our model */ GENmodel *mdfast = NULL; /* pointer to the actual model */ GENinstance *fast; /* pointer to the actual instance */ IFvalue ptemp; /* a value structure to package resistance into */ int waslead; /* flag to indicate that funny unlabeled number was found */ double leadval; /* actual value of unlabeled number */ IFuid uid; /* uid for default cap model */ #ifdef TRACE printf("In INP2C, Current line: %s\n", current->line); #endif if (mytype < 0) { if ((mytype = INPtypelook("Capacitor")) < 0) { LITERR("Device type Capacitor not supported by this binary\n"); return; } } line = current->line; INPgetNetTok(&line, &name, 1); INPinsert(&name, tab); INPgetNetTok(&line, &nname1, 1); INPtermInsert(ckt, &nname1, tab, &node1); INPgetNetTok(&line, &nname2, 1); INPtermInsert(ckt, &nname2, tab, &node2); val = INPevaluate(&line, &error1, 1); saveline = line; INPgetNetTok(&line, &model, 1); if (*model && (strcmp(model, "c") != 0)) { /* token isn't null */ if (INPlookMod(model)) { /* If this is a valid model connect it */ INPinsert(&model, tab); current->error = INPgetMod(ckt, model, &thismodel, tab); if (thismodel != NULL) { if (mytype != thismodel->INPmodType) { LITERR("incorrect model type"); return; } mdfast = thismodel->INPmodfast; type = thismodel->INPmodType; } } else { tfree(model); /* It is not a model */ line = saveline; /* go back */ type = mytype; if (!tab->defCmod) { /* create default C model */ IFnewUid(ckt, &uid, NULL, "C", UID_MODEL, NULL); IFC(newModel, (ckt, type, &(tab->defCmod), uid)); } mdfast = tab->defCmod; } IFC(newInstance, (ckt, mdfast, &fast, name)); } else { tfree(model); /* The token is null and a default model will be created */ type = mytype; if (!tab->defCmod) { /* create default C model */ IFnewUid(ckt, &uid, NULL, "C", UID_MODEL, NULL); IFC(newModel, (ckt, type, &(tab->defCmod), uid)); } IFC(newInstance, (ckt, tab->defCmod, &fast, name)); if (error1 == 1) { /* was a c=val construction */ val = INPevaluate(&line, &error1, 1); /* [<val>] */ #ifdef TRACE printf ("In INP2C, C=val construction: val=%g\n", val); #endif } } if (error1 == 0) { /* Looks like a number */ ptemp.rValue = val; GCA(INPpName, ("capacitance", &ptemp, ckt, type, fast)); } IFC(bindNode, (ckt, fast, 1, node1)); IFC(bindNode, (ckt, fast, 2, node2)); PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab)); if (waslead) { ptemp.rValue = leadval; GCA(INPpName, ("capacitance", &ptemp, ckt, type, fast)); } return; }
///<param name = "*fname"> The name of the function </param> ///<param name = "*arg"> The argument it is given </param> static INPparseNode *mkfnode(char *fname, INPparseNode *arg) { int i; INPparseNode *p = NULL; char buf[128], *name = NULL, *s = NULL; IFvalue temp; temp.nValue = 0;// this line is required by microsoft. Generates a C4700 error if this is not included /* Make sure the case is ok. */ (void)strcpy(buf, fname); for (s = buf; *s; s++) { if (isupper(*s)) { *s = tolower(*s); } } p = (INPparseNode *)MALLOC(sizeof(INPparseNode)); if (!strcmp(buf, "v")) { name = MALLOC(128); if (arg->type == PT_PLACEHOLDER) { strcpy(name, arg->funcname); } else if (arg->type == PT_CONSTANT) { (void)sprintf(name, "%d", (int)arg->constant); } else if (arg->type != PT_COMMA) { fprintf(stderr, "Error: badly formed node voltage\n"); return (NULL); } if (arg->type == PT_COMMA) { /* Change v(a,b) into v(a) - v(b) */ p = mkb(PT_MINUS, mkfnode(fname, arg->left), mkfnode(fname, arg->right)); } else { /* printf("getting a node called '%s'\n", name); */ INPtermInsert(circuit, &name, tables, &(temp.nValue)); /* This block is reallocating the value variable. Although defined as a pointer, it is actually being used as a dynamic array*/ for (i = 0; i < numvalues; i++) { if ((types[i] == IF_NODE) && (values[i].nValue == temp.nValue)) break; } if (i == numvalues) { if (numvalues) { /*This is a test*/ values = (IFvalue *)REALLOC((char *)values, (numvalues + 1) * sizeof(IFvalue)); /* values is becoming an array where each element is IFvalue. Dynamic Array Allocation */ types = (int *)REALLOC((char *)types, (numvalues + 1) * sizeof(int)); } else { /* If numvalues is 0, then the program will allocate values with 1 cell The program will only execute this block once */ values = (IFvalue *)MALLOC(sizeof(IFvalue)); /* values is becoming an array where each element is IFvalue */ types = (int *)MALLOC(sizeof(int)); } values[i] = temp; types[i] = IF_NODE; numvalues++; } p->valueIndex = i; p->type = PT_VAR; } } else if (!strcmp(buf, "i")) { name = MALLOC(128); if (arg->type == PT_PLACEHOLDER) strcpy(name, arg->funcname); else if (arg->type == PT_CONSTANT) (void) sprintf(name, "%d", (int)arg->constant); else { fprintf(stderr, "Error: badly formed branch current\n"); return (NULL); } /* printf("getting a device called '%s'\n", name); */ INPinsert(&name, tables); for (i = 0; i < numvalues; i++) { if ((types[i] == IF_INSTANCE) && (values[i].uValue == temp.uValue)) break; } if (i == numvalues) { if (numvalues) { values = (IFvalue *)REALLOC((char *)values, (numvalues + 1) * sizeof(IFvalue)); types = (int *)REALLOC((char *)types, (numvalues + 1) * sizeof(int)); } else { values = (IFvalue *)MALLOC(sizeof(IFvalue)); types = (int *)MALLOC(sizeof(int)); } values[i].uValue = (IFuid)name; types[i] = IF_INSTANCE; numvalues++; } p->valueIndex = i; p->type = PT_VAR; } else { for (i = 0; i < NUM_FUNCS; i++) { if (!strcmp(funcs[i].name, buf)) break; } if (i == NUM_FUNCS) { fprintf(stderr, "Error: no such function '%s'\n", buf); return (NULL); } p->type = PT_FUNCTION; p->left = arg; p->funcname = funcs[i].name; p->funcnum = funcs[i].number; p->function = funcs[i].funcptr; } return (p); }