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/* RCSid: $Id$ */ |
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/* RCSid $Id$ */ |
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/* |
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* calcomp.h - header file for expression parser. |
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*/ |
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#ifndef _RAD_CALCOMP_H_ |
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#define _RAD_CALCOMP_H_ |
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|
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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/* EPNODE types */ |
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#include <stdio.h> |
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|
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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|
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#define VAR 1 |
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#define NUM 2 |
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#define UMINUS 3 |
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#define CHAN 4 |
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#define FUNC 5 |
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#define ARG 6 |
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#define TICK 7 |
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#define CLKT 7 |
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#define SYM 8 |
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/* also: '+', '-', '*', '/', '^', '=', ':' */ |
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|
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char *fname; /* function name */ |
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short nargs; /* # of required arguments */ |
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short atyp; /* assignment type (':' or '=') */ |
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double (*f)(); /* pointer to function */ |
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double (*f)(char *); /* pointer to function */ |
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} LIBR; /* a library function */ |
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|
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typedef struct epnode { |
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int type; /* node type */ |
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struct epnode *sibling; /* next child this level */ |
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union { |
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struct epnode *kid; /* first child */ |
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double num; /* number */ |
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struct vardef *next; /* next in hash list */ |
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} *ln; /* link */ |
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} v; /* value */ |
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struct epnode *sibling; /* next child this level */ |
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int type; /* node type */ |
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} EPNODE; /* an expression node */ |
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|
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typedef struct vardef VARDEF; /* a variable definition */ |
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|
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#define MAXWORD 127 /* maximum word/id length */ |
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#define RMAXWORD 127 /* maximum word/id length */ |
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#define CNTXMARK '`' /* context mark */ |
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|
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#define isid(c) (isalnum(c) || (c) == '_' || \ |
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#define evalue(ep) (*eoper[(ep)->type])(ep) |
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#define dfn_name(ep) ((ep)->v.kid->type == SYM ? \ |
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(ep)->v.kid->v.name : \ |
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(ep)->v.kid->v.kid->v.name) |
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|
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/* flags to set in esupport */ |
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#define E_VARIABLE 001 |
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#define E_FUNCTION 002 |
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#define E_RCONST 020 |
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#define E_REDEFW 040 |
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|
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extern double (*eoper[])(); |
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extern double (*eoper[])(EPNODE *); |
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extern unsigned long eclock; |
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extern unsigned int esupport; |
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extern EPNODE *curfunc; |
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extern int nextc; |
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|
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#ifdef NOPROTO |
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|
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extern void fcompile(); |
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extern void scompile(); |
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extern double varvalue(); |
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extern double evariable(); |
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extern void varset(); |
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extern void dclear(); |
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extern void dremove(); |
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extern int vardefined(); |
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extern char *setcontext(); |
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extern char *pushcontext(); |
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extern char *popcontext(); |
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extern char *qualname(); |
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extern int incontext(); |
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extern void chanout(); |
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extern void dcleanup(); |
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extern EPNODE *dlookup(); |
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extern VARDEF *varlookup(); |
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extern VARDEF *varinsert(); |
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extern void varfree(); |
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extern EPNODE *dfirst(); |
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extern EPNODE *dnext(); |
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extern EPNODE *dpop(); |
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extern void dpush(); |
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extern void addchan(); |
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extern void getstatement(); |
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extern EPNODE *getdefn(); |
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extern EPNODE *getchan(); |
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extern EPNODE *eparse(); |
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extern double eval(); |
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extern int epcmp(); |
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extern void epfree(); |
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extern EPNODE *ekid(); |
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extern int nekids(); |
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extern void initfile(); |
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extern void initstr(); |
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extern void getscanpos(); |
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extern int scan(); |
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extern char *long2ascii(); |
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extern void syntax(); |
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extern void addekid(); |
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extern char *getname(); |
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extern int getinum(); |
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extern double getnum(); |
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extern EPNODE *getE1(); |
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extern EPNODE *getE2(); |
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extern EPNODE *getE3(); |
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extern EPNODE *getE4(); |
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extern EPNODE *getE5(); |
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extern EPNODE *rconst(); |
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extern int isconstvar(); |
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extern int isconstfun(); |
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extern int fundefined(); |
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extern double funvalue(); |
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extern void funset(); |
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extern int nargum(); |
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extern double argument(); |
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extern VARDEF *argf(); |
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extern char *argfun(); |
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extern double efunc(); |
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extern LIBR *liblookup(); |
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extern void libupdate(); |
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extern void eprint(); |
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extern void dprint(); |
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extern char *savestr(); |
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extern void freestr(); |
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extern int shash(); |
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extern char *emalloc(); |
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extern char *ecalloc(); |
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extern char *erealloc(); |
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extern void efree(); |
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extern void eputs(); |
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extern void wputs(); |
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extern void quit(); |
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|
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extern double chanvalue(); |
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|
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#else |
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extern int eofc; |
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/* defined in biggerlib.c */ |
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extern void biggerlib(void); |
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/* defined in caldefn.c */ |
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extern void fcompile(char *fname); |
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extern void scompile(char *str, char *fname, int ln); |
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extern double varvalue(char *vname); |
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extern double evariable(EPNODE *ep); |
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extern void varset(char *fname, int assign, double val); |
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extern void varset(char *vname, int assign, double val); |
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extern void dclear(char *name); |
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extern void dremove(char *name); |
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extern int vardefined(char *name); |
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extern char *setcontext(char *ctx); |
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extern char *calcontext(char *ctx); |
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extern char *pushcontext(char *ctx); |
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extern char *popcontext(void); |
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extern char *qualname(char *nam, int lvl); |
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extern int incontext(char *qn); |
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extern void chanout(int (*cs)()); |
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extern void chanout(void (*cs)(int n, double v)); |
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extern void dcleanup(int lvl); |
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extern EPNODE *dlookup(char *name); |
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extern VARDEF *varlookup(char *name); |
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extern EPNODE *dpop(char *name); |
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extern void dpush(char *nm, EPNODE *ep); |
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extern void addchan(EPNODE *sp); |
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extern void getstatement(); |
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extern EPNODE *getdefn(); |
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extern EPNODE *getchan(); |
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extern void getstatement(void); |
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extern EPNODE *getdefn(void); |
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extern EPNODE *getchan(void); |
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/* defined in calexpr.c */ |
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extern EPNODE *eparse(char *expr); |
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extern double eval(char *expr); |
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/* defined in calfunc.c */ |
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extern int fundefined(char *fname); |
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extern double funvalue(char *fname, int n, double *a); |
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extern void funset(char *fname, int nargs, int assign, double (*fptr)()); |
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extern void funset(char *fname, int nargs, int assign, |
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double (*fptr)(char *)); |
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extern int nargum(void); |
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extern double argument(int n); |
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extern VARDEF *argf(int n); |
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/* defined in calprnt.c */ |
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extern void eprint(EPNODE *ep, FILE *fp); |
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extern void dprint(char *name, FILE *fp); |
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/* defined in savestr.c */ |
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extern char *savestr(char *str); |
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extern void freestr(char *s); |
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extern int shash(char *s); |
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/* defined in ealloc.c */ |
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extern char *emalloc(unsigned int n); |
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extern char *ecalloc(unsigned int ne, unsigned int es); |
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extern char *erealloc(char *cp, unsigned int n); |
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extern void efree(char *cp); |
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/* miscellaneous */ |
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extern void eputs(char *s); |
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extern void wputs(char *s); |
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extern void quit(int code); |
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/* defined by client */ |
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extern double chanvalue(int n); |
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|
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_CALCOMP_H_ */ |
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