17 |
|
static double logstep; |
18 |
|
|
19 |
|
|
20 |
< |
hdcompgrid(hp) /* compute derived grid vector and index */ |
21 |
< |
register HOLO *hp; |
20 |
> |
extern void |
21 |
> |
hdcompgrid( /* compute derived grid vector and index */ |
22 |
> |
register HOLO *hp |
23 |
> |
) |
24 |
|
{ |
25 |
|
double d; |
26 |
|
register int i, j; |
56 |
|
} |
57 |
|
|
58 |
|
|
59 |
< |
hdbcoord(gc, hp, i) /* compute beam coordinates from index */ |
60 |
< |
GCOORD gc[2]; /* returned */ |
61 |
< |
register HOLO *hp; |
62 |
< |
register int i; |
59 |
> |
extern int |
60 |
> |
hdbcoord( /* compute beam coordinates from index */ |
61 |
> |
GCOORD gc[2], /* returned */ |
62 |
> |
register HOLO *hp, |
63 |
> |
register int i |
64 |
> |
) |
65 |
|
{ |
66 |
|
register int j, n; |
67 |
|
int n2, reverse; |
102 |
|
} |
103 |
|
|
104 |
|
|
105 |
< |
int |
106 |
< |
hdbindex(hp, gc) /* compute index from beam coordinates */ |
107 |
< |
register HOLO *hp; |
108 |
< |
register GCOORD gc[2]; |
105 |
> |
extern int |
106 |
> |
hdbindex( /* compute index from beam coordinates */ |
107 |
> |
register HOLO *hp, |
108 |
> |
register GCOORD gc[2] |
109 |
> |
) |
110 |
|
{ |
111 |
|
GCOORD g2[2]; |
112 |
|
int reverse; |
134 |
|
} |
135 |
|
|
136 |
|
|
137 |
< |
hdcell(cp, hp, gc) /* compute cell coordinates */ |
138 |
< |
register FVECT cp[4]; /* returned (may be passed as FVECT cp[2][2]) */ |
139 |
< |
register HOLO *hp; |
140 |
< |
register GCOORD *gc; |
137 |
> |
extern void |
138 |
> |
hdcell( /* compute cell coordinates */ |
139 |
> |
register FVECT cp[4], /* returned (may be passed as FVECT cp[2][2]) */ |
140 |
> |
register HOLO *hp, |
141 |
> |
register GCOORD *gc |
142 |
> |
) |
143 |
|
{ |
144 |
|
register RREAL *v; |
145 |
|
double d; |
168 |
|
} |
169 |
|
|
170 |
|
|
171 |
< |
hdlseg(lseg, hp, gc) /* compute line segment for beam */ |
172 |
< |
register int lseg[2][3]; |
173 |
< |
register HOLO *hp; |
174 |
< |
GCOORD gc[2]; |
171 |
> |
extern int |
172 |
> |
hdlseg( /* compute line segment for beam */ |
173 |
> |
register int lseg[2][3], |
174 |
> |
register HOLO *hp, |
175 |
> |
GCOORD gc[2] |
176 |
> |
) |
177 |
|
{ |
178 |
|
register int k; |
179 |
|
|
186 |
|
} |
187 |
|
|
188 |
|
|
189 |
< |
unsigned |
190 |
< |
hdcode(hp, d) /* compute depth code for d */ |
191 |
< |
HOLO *hp; |
192 |
< |
double d; |
189 |
> |
extern unsigned int |
190 |
> |
hdcode( /* compute depth code for d */ |
191 |
> |
HOLO *hp, |
192 |
> |
double d |
193 |
> |
) |
194 |
|
{ |
195 |
|
double tl = hp->tlin; |
196 |
|
register long c; |
206 |
|
} |
207 |
|
|
208 |
|
|
209 |
< |
hdgrid(gp, hp, wp) /* compute grid coordinates */ |
210 |
< |
FVECT gp; /* returned */ |
211 |
< |
register HOLO *hp; |
212 |
< |
FVECT wp; |
209 |
> |
extern void |
210 |
> |
hdgrid( /* compute grid coordinates */ |
211 |
> |
FVECT gp, /* returned */ |
212 |
> |
register HOLO *hp, |
213 |
> |
FVECT wp |
214 |
> |
) |
215 |
|
{ |
216 |
|
FVECT vt; |
217 |
|
|
222 |
|
} |
223 |
|
|
224 |
|
|
225 |
< |
hdworld(wp, hp, gp) /* compute world coordinates */ |
226 |
< |
register FVECT wp; |
227 |
< |
register HOLO *hp; |
228 |
< |
FVECT gp; |
225 |
> |
extern void |
226 |
> |
hdworld( /* compute world coordinates */ |
227 |
> |
register FVECT wp, |
228 |
> |
register HOLO *hp, |
229 |
> |
FVECT gp |
230 |
> |
) |
231 |
|
{ |
232 |
|
register double d; |
233 |
|
|
242 |
|
} |
243 |
|
|
244 |
|
|
245 |
< |
double |
246 |
< |
hdray(ro, rd, hp, gc, r) /* compute ray within a beam */ |
247 |
< |
FVECT ro, rd; /* returned */ |
248 |
< |
HOLO *hp; |
249 |
< |
GCOORD gc[2]; |
250 |
< |
BYTE r[2][2]; |
245 |
> |
extern double |
246 |
> |
hdray( /* compute ray within a beam */ |
247 |
> |
FVECT ro, |
248 |
> |
FVECT rd, /* returned */ |
249 |
> |
HOLO *hp, |
250 |
> |
GCOORD gc[2], |
251 |
> |
BYTE r[2][2] |
252 |
> |
) |
253 |
|
{ |
254 |
|
FVECT cp[4], p[2]; |
255 |
|
register int i, j; |
269 |
|
} |
270 |
|
|
271 |
|
|
272 |
< |
double |
273 |
< |
hdinter(gc, r, ed, hp, ro, rd) /* compute ray intersection with section */ |
274 |
< |
register GCOORD gc[2]; /* returned */ |
275 |
< |
BYTE r[2][2]; /* returned (optional) */ |
276 |
< |
double *ed; /* returned (optional) */ |
277 |
< |
register HOLO *hp; |
278 |
< |
FVECT ro, rd; /* normalization of rd affects distances */ |
272 |
> |
extern double |
273 |
> |
hdinter( /* compute ray intersection with section */ |
274 |
> |
register GCOORD gc[2], /* returned */ |
275 |
> |
BYTE r[2][2], /* returned (optional) */ |
276 |
> |
double *ed, /* returned (optional) */ |
277 |
> |
register HOLO *hp, |
278 |
> |
FVECT ro, |
279 |
> |
FVECT rd /* normalization of rd affects distances */ |
280 |
> |
) |
281 |
|
{ |
282 |
|
FVECT p[2], vt; |
283 |
|
double d, t0, t1, d0, d1; |