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root/radiance/ray/src/common/standard.h
Revision: 2.30
Committed: Thu Jun 26 00:58:09 2003 UTC (20 years, 10 months ago) by schorsch
Content type: text/plain
Branch: MAIN
Changes since 2.29: +5 -3 lines
Log Message:
Abstracted process and path handling for Windows.
Renamed FLOAT to RREAL because of conflict on Windows.
Added conditional compiles for some signal handlers.

File Contents

# User Rev Content
1 schorsch 2.30 /* RCSid $Id: standard.h,v 2.29 2003/06/21 14:48:54 greg Exp $ */
2 greg 1.1 /*
3     * Miscellaneous definitions required by many routines.
4     */
5 schorsch 2.23 #ifndef _RAD_STANDARD_H_
6     #define _RAD_STANDARD_H_
7 schorsch 2.24 #ifdef __cplusplus
8     extern "C" {
9     #endif
10 schorsch 2.23
11 greg 2.17 #include "copyright.h"
12 greg 2.16
13 greg 1.1 #include <stdio.h>
14 gwlarson 2.12 #include <sys/types.h>
15 greg 2.2 #include <fcntl.h>
16 greg 1.1 #include <math.h>
17     #include <errno.h>
18 greg 2.16 #include <stdlib.h>
19     #include <string.h>
20    
21 greg 2.27 #include "tifftypes.h"
22    
23 greg 1.5 #include "mat4.h"
24 schorsch 2.25
25 greg 1.5 /* regular transformation */
26     typedef struct {
27     MAT4 xfm; /* transform matrix */
28 schorsch 2.30 RREAL sca; /* scalefactor */
29 greg 1.5 } XF;
30     /* complemetary tranformation */
31     typedef struct {
32     XF f; /* forward */
33     XF b; /* backward */
34     } FULLXF;
35 greg 1.1
36 greg 2.7 #ifndef PI
37 greg 2.2 #ifdef M_PI
38 gregl 2.11 #define PI ((double)M_PI)
39 greg 1.1 #else
40 greg 2.2 #define PI 3.14159265358979323846
41 greg 2.7 #endif
42 greg 1.1 #endif
43 greg 1.2
44 schorsch 2.26 /* XXX include paths.h instead */
45 greg 2.2 #ifndef F_OK /* mode bits for access(2) call */
46     #define R_OK 4 /* readable */
47     #define W_OK 2 /* writable */
48     #define X_OK 1 /* executable */
49     #define F_OK 0 /* exists */
50 gwlarson 2.13 #endif
51    
52 greg 1.1 /* error codes */
53 gregl 2.10 #define WARNING 0 /* non-fatal error */
54     #define USER 1 /* fatal user-caused error */
55     #define SYSTEM 2 /* fatal system-related error */
56     #define INTERNAL 3 /* fatal program-related error */
57     #define CONSISTENCY 4 /* bad consistency check, abort */
58     #define COMMAND 5 /* interactive error */
59     #define NERRS 6
60 gregl 2.9 /* error struct */
61     extern struct erract {
62     char pre[16]; /* prefix message */
63 greg 2.16 void (*pf)(); /* put function (resettable) */
64 gregl 2.9 int ec; /* exit code (0 means non-fatal) */
65     } erract[NERRS]; /* list of error actions */
66    
67     #define ERRACT_INIT { {"warning - ", wputs, 0}, \
68     {"fatal - ", eputs, 1}, \
69     {"system - ", eputs, 2}, \
70 greg 2.16 {"internal - ", eputs, 3}, \
71 gregl 2.9 {"consistency - ", eputs, -1}, \
72     {"", NULL, 0} }
73 greg 1.1
74     extern char errmsg[]; /* global buffer for error messages */
75    
76 gwlarson 2.14 #ifdef FASTMATH
77     #define tcos cos
78     #define tsin sin
79     #define ttan tan
80     #else
81 greg 2.28 /* table-based cosine approximation */
82 gwlarson 2.14 #define tsin(x) tcos((x)-(PI/2.))
83     #define ttan(x) (tsin(x)/tcos(x))
84     #endif
85     /* custom version of assert(3) */
86 greg 2.21 #define CHECK(be,et,em) if (be) error(et,em); else
87 gwlarson 2.14 #ifdef DEBUG
88     #define DCHECK CHECK
89     #else
90 greg 2.20 #define DCHECK(be,et,em) (void)0
91 gwlarson 2.14 #endif
92 greg 1.3 /* memory operations */
93 greg 2.2 #ifdef NOSTRUCTASS
94 greg 2.22 #define copystruct(d,s) bcopy((void *)(s),(void *)(d),sizeof(*(d)))
95 greg 1.9 #else
96 greg 2.2 #define copystruct(d,s) (*(d) = *(s))
97 greg 1.3 #endif
98 greg 1.6
99 greg 2.16 #ifndef BSD
100 greg 2.2 #define bcopy(s,d,n) (void)memcpy(d,s,n)
101     #define bzero(d,n) (void)memset(d,0,n)
102     #define bcmp(b1,b2,n) memcmp(b1,b2,n)
103     #define index strchr
104     #define rindex strrchr
105 greg 2.16 #endif
106 greg 2.29
107     /* <unistd.h> is missing on some systems */
108     extern off_t lseek(int, off_t, int);
109 greg 2.5
110 schorsch 2.26 #ifdef _WIN32
111 greg 2.2 #define NIX 1
112     #endif
113     #ifdef AMIGA
114     #define NIX 1
115     #endif
116    
117 greg 2.16
118     /* defined in badarg.c */
119     extern int badarg(int ac, char **av, char *fl);
120     /* defined in bmalloc.c */
121     extern char *bmalloc(unsigned int n);
122     extern void bfree(char *p, unsigned int n);
123     /* defined in error.c */
124     extern void error(int etype, char *emsg);
125     /* defined in expandarg.c */
126     extern int expandarg(int *acp, char ***avp, int n);
127     /* defined in fdate.c */
128     extern time_t fdate(char *fname);
129     extern int setfdate(char *fname, long ftim);
130     /* defined in fgetline.c */
131     extern char *fgetline(char *s, int n, FILE *fp);
132     /* defined in fgetval.c */
133     extern int fgetval(FILE *fp, int ty, char *vp);
134     /* defined in fgetword.c */
135     extern char *fgetword(char *s, int n, FILE *fp);
136     /* defined in fputword.c */
137     extern void fputword(char *s, FILE *fp);
138     /* defined in fixargv0.c */
139 schorsch 2.30 /*extern char *fixargv0(char *av0);*/ /* XXX include paths.h instead */
140 greg 2.16 /* defined in fropen.c */
141     extern FILE *frlibopen(char *fname);
142     /* defined in getlibpath.c */
143 greg 2.22 extern char *getrlibpath(void);
144 greg 2.16 /* defined in getpath.c */
145     extern char *getpath(char *fname, char *searchpath, int mode);
146     /* defined in portio.c */
147     extern void putstr(char *s, FILE *fp);
148     extern void putint(long i, int siz, FILE *fp);
149     extern void putflt(double f, FILE *fp);
150     extern char *getstr(char *s, FILE *fp);
151     extern long getint(int siz, FILE *fp);
152     extern double getflt(FILE *fp);
153     /* defined in process.c */
154 schorsch 2.30 /*
155 greg 2.16 extern int open_process(int pd[3], char *av[]);
156     extern int process(int pd[3], char *recvbuf, char *sendbuf,
157     int nbr, int nbs);
158     extern int close_process(int pd[3]);
159     extern int readbuf(int fd, char *bpos, int siz);
160     extern int writebuf(int fd, char *bpos, int siz);
161 schorsch 2.30 */
162 greg 2.16 /* defined in rexpr.c */
163     extern int ecompile(char *sp, int iflg, int wflag);
164 greg 2.19 extern char *expsave(void);
165 greg 2.16 extern void expset(char *ep);
166     extern char *eindex(char *sp);
167     /* defined in savestr.c */
168     extern char *savestr(char *str);
169     extern void freestr(char *s);
170     extern int shash(char *s);
171     /* defined in savqstr.c */
172     extern char *savqstr(char *s);
173     extern void freeqstr(char *s);
174     /* defined in tcos.c */
175     extern double tcos(double x);
176     /* defined in wordfile.c */
177     extern int wordfile(char **words, char *fname);
178     extern int wordstring(char **avl, char *str);
179     /* defined in words.c */
180     extern char *atos(char *rs, int nb, char *s);
181     extern char *nextword(char *cp, int nb, char *s);
182     extern char *sskip(char *s);
183     extern char *sskip2(char *s, int n);
184     extern char *iskip(char *s);
185     extern char *fskip(char *s);
186     extern int isint(char *s);
187     extern int isintd(char *s, char *ds);
188     extern int isflt(char *s);
189     extern int isfltd(char *s, char *ds);
190     /* defined in xf.c */
191     extern int xf(XF *ret, int ac, char *av[]);
192     extern int invxf(XF *ret, int ac, char *av[]);
193     extern int fullxf(FULLXF *fx, int ac, char *av[]);
194     /* defined in zeroes.c */
195     extern int quadtratic(double *r, double a, double b, double c);
196 greg 2.18 /* defined in dircode.c */
197 greg 2.27 extern int32 encodedir(FVECT dv);
198     extern void decodedir(FVECT dv, int32 dc);
199     extern double dir2diff(int32 dc1, int32 dc2);
200     extern double fdir2diff(int32 dc1, FVECT v2);
201 schorsch 2.26 /* defined in lamp.c */
202     extern float * matchlamp(char *s);
203     extern int loadlamps(char *file);
204     extern void freelamps(void);
205 greg 2.16 /* miscellaneous */
206     extern void eputs(char *s);
207     extern void wputs(char *s);
208     extern void quit(int code);
209    
210 schorsch 2.23
211 schorsch 2.24 #ifdef __cplusplus
212     }
213     #endif
214 schorsch 2.23 #endif /* _RAD_STANDARD_H_ */
215 schorsch 2.24