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*/ |
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#include "standard.h" |
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+ |
#include "calcomp.h" |
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char XNAME[] = "X`SYS"; /* x function name */ |
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char YNAME[] = "Y`SYS"; /* y function name */ |
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struct { |
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int flags; /* data type */ |
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short m, n; /* number of s and t values */ |
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FLOAT *data; /* the data itself, s major sort */ |
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RREAL *data; /* the data itself, s major sort */ |
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} datarec; /* our recorded data */ |
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|
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/* XXX this is redundant with rt/noise3.c, should go to a library */ |
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double l_hermite(), l_bezier(), l_bspline(), l_dataval(); |
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extern double funvalue(), argument(); |
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typedef struct { |
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int valid; /* point is valid (vertex number) */ |
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FVECT p; /* vertex position */ |
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FVECT n; /* average normal */ |
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FLOAT uv[2]; /* (u,v) position */ |
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RREAL uv[2]; /* (u,v) position */ |
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} POINT; |
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void loaddata(char *file, int m, int n, int pointsize); |
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double l_dataval(char *nam); |
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void putobjrow(POINT *rp, int n); |
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void putsquare(POINT *p0, POINT *p1, POINT *p2, POINT *p3); |
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void comprow(double s, POINT *row, int siz); |
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void compnorms(POINT *r0, POINT *r1, POINT *r2, int siz); |
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int norminterp(FVECT resmat[4], POINT *p0, POINT *p1, POINT *p2, POINT *p3); |
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void printhead(int ac, char **av); |
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|
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|
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int |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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extern long eclock; |
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POINT *row0, *row1, *row2, *rp; |
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int i, j, m, n; |
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char stmp[256]; |
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} |
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} |
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quit(0); |
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return 0; |
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userror: |
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fprintf(stderr, "Usage: %s material name ", argv[0]); |
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fprintf(stderr, "x(s,t) y(s,t) z(s,t) m n [-s][-e expr][-f file]\n"); |
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quit(1); |
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return 1; |
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} |
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|
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< |
loaddata(file, m, n, pointsize) /* load point data from file */ |
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char *file; |
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< |
int m, n; |
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< |
int pointsize; |
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> |
void |
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> |
loaddata( /* load point data from file */ |
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> |
char *file, |
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> |
int m, |
190 |
> |
int n, |
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> |
int pointsize |
192 |
> |
) |
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{ |
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FILE *fp; |
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char word[64]; |
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register int size; |
197 |
< |
register FLOAT *dp; |
197 |
> |
register RREAL *dp; |
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|
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datarec.flags = HASBORDER; /* assume border values */ |
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datarec.m = m+1; |
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size = datarec.m*datarec.n*pointsize; |
203 |
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if (pointsize == 3) |
204 |
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datarec.flags |= TRIPLETS; |
205 |
< |
dp = (FLOAT *)malloc(size*sizeof(FLOAT)); |
205 |
> |
dp = (RREAL *)malloc(size*sizeof(RREAL)); |
206 |
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if ((datarec.data = dp) == NULL) { |
207 |
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fputs("Out of memory\n", stderr); |
208 |
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exit(1); |
225 |
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size--; |
226 |
|
} |
227 |
|
if (size == (m+n+1)*pointsize) { /* no border after all */ |
228 |
< |
dp = (FLOAT *)realloc((char *)datarec.data, |
229 |
< |
m*n*pointsize*sizeof(FLOAT)); |
228 |
> |
dp = (RREAL *)realloc((void *)datarec.data, |
229 |
> |
m*n*pointsize*sizeof(RREAL)); |
230 |
|
if (dp != NULL) |
231 |
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datarec.data = dp; |
232 |
|
datarec.flags &= ~HASBORDER; |
245 |
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|
246 |
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|
247 |
|
double |
248 |
< |
l_dataval(nam) /* return recorded data value */ |
249 |
< |
char *nam; |
248 |
> |
l_dataval( /* return recorded data value */ |
249 |
> |
char *nam |
250 |
> |
) |
251 |
|
{ |
252 |
|
double u, v; |
253 |
|
register int i, j; |
254 |
< |
register FLOAT *dp; |
254 |
> |
register RREAL *dp; |
255 |
|
double d00, d01, d10, d11; |
256 |
|
/* compute coordinates */ |
257 |
|
u = argument(1); v = argument(2); |
287 |
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} |
288 |
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|
289 |
|
|
290 |
< |
putobjrow(rp, n) /* output vertex row to .OBJ */ |
291 |
< |
register POINT *rp; |
292 |
< |
int n; |
290 |
> |
void |
291 |
> |
putobjrow( /* output vertex row to .OBJ */ |
292 |
> |
register POINT *rp, |
293 |
> |
int n |
294 |
> |
) |
295 |
|
{ |
296 |
|
static int nverts = 0; |
297 |
|
|
309 |
|
} |
310 |
|
|
311 |
|
|
312 |
< |
putsquare(p0, p1, p2, p3) /* put out a square */ |
313 |
< |
POINT *p0, *p1, *p2, *p3; |
312 |
> |
void |
313 |
> |
putsquare( /* put out a square */ |
314 |
> |
POINT *p0, |
315 |
> |
POINT *p1, |
316 |
> |
POINT *p2, |
317 |
> |
POINT *p3 |
318 |
> |
) |
319 |
|
{ |
320 |
|
static int nout = 0; |
321 |
|
FVECT norm[4]; |
439 |
|
} |
440 |
|
|
441 |
|
|
442 |
< |
comprow(s, row, siz) /* compute row of values */ |
443 |
< |
double s; |
444 |
< |
register POINT *row; |
445 |
< |
int siz; |
442 |
> |
void |
443 |
> |
comprow( /* compute row of values */ |
444 |
> |
double s, |
445 |
> |
register POINT *row, |
446 |
> |
int siz |
447 |
> |
) |
448 |
|
{ |
449 |
|
double st[2]; |
450 |
|
int end; |
481 |
|
} |
482 |
|
|
483 |
|
|
484 |
< |
compnorms(r0, r1, r2, siz) /* compute row of averaged normals */ |
485 |
< |
register POINT *r0, *r1, *r2; |
486 |
< |
int siz; |
484 |
> |
void |
485 |
> |
compnorms( /* compute row of averaged normals */ |
486 |
> |
register POINT *r0, |
487 |
> |
register POINT *r1, |
488 |
> |
register POINT *r2, |
489 |
> |
int siz |
490 |
> |
) |
491 |
|
{ |
492 |
|
FVECT v1, v2; |
493 |
|
|
525 |
|
|
526 |
|
|
527 |
|
int |
528 |
< |
norminterp(resmat, p0, p1, p2, p3) /* compute normal interpolation */ |
529 |
< |
register FVECT resmat[4]; |
530 |
< |
POINT *p0, *p1, *p2, *p3; |
528 |
> |
norminterp( /* compute normal interpolation */ |
529 |
> |
register FVECT resmat[4], |
530 |
> |
POINT *p0, |
531 |
> |
POINT *p1, |
532 |
> |
POINT *p2, |
533 |
> |
POINT *p3 |
534 |
> |
) |
535 |
|
{ |
536 |
|
#define u ((ax+1)%3) |
537 |
|
#define v ((ax+2)%3) |
608 |
|
} |
609 |
|
|
610 |
|
|
611 |
< |
printhead(ac, av) /* print command header */ |
612 |
< |
register int ac; |
613 |
< |
register char **av; |
611 |
> |
void |
612 |
> |
printhead( /* print command header */ |
613 |
> |
register int ac, |
614 |
> |
register char **av |
615 |
> |
) |
616 |
|
{ |
617 |
|
putchar('#'); |
618 |
|
while (ac--) { |
624 |
|
|
625 |
|
|
626 |
|
double |
627 |
< |
l_hermite() |
627 |
> |
l_hermite(char *nm) |
628 |
|
{ |
629 |
|
double t; |
630 |
|
|
637 |
|
|
638 |
|
|
639 |
|
double |
640 |
< |
l_bezier() |
640 |
> |
l_bezier(char *nm) |
641 |
|
{ |
642 |
|
double t; |
643 |
|
|
650 |
|
|
651 |
|
|
652 |
|
double |
653 |
< |
l_bspline() |
653 |
> |
l_bspline(char *nm) |
654 |
|
{ |
655 |
|
double t; |
656 |
|
|