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#include "standard.h" |
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#include "paths.h" |
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#include "resolu.h" |
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#include "rterror.h" |
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#include "calcomp.h" |
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|
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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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char ZNAME[] = "Z`SYS"; /* z function name */ |
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#define pvect(p) printf(vformat, (p)[0], (p)[1], (p)[2]) |
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char vformat[] = "%15.9g %15.9g %15.9g\n"; |
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char tsargs[] = "4 surf_dx surf_dy surf_dz surf.cal\n"; |
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char vformat[] = "%18.12g %18.12g %18.12g\n"; |
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char tsargs[] = "4 surf_dx surf_dy surf_dz surf.cal"; |
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char texname[] = "Phong"; |
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|
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int smooth = 0; /* apply smoothing? */ |
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RREAL *data; /* the data itself, s major sort */ |
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} datarec; /* our recorded data */ |
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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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int nvalid; /* normal is valid */ |
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FVECT p; /* vertex position */ |
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FVECT n; /* average normal */ |
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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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|
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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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row0++; row1++; row2++; |
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/* print header */ |
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printhead(argc, argv); |
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fputs("# ", stdout); |
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printargs(argc, argv, stdout); |
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eclock = 0; |
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/* initialize */ |
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comprow(-1.0/m, row0, n); |
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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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fprintf(stderr, "x(s,t) y(s,t) z(s,t) m n [-s][-o][-e expr][-f file]\n"); |
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return 1; |
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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, |
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int n, |
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int pointsize |
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) |
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{ |
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FILE *fp; |
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char word[64]; |
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size--; |
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} |
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if (size == (m+n+1)*pointsize) { /* no border after all */ |
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dp = (RREAL *)realloc((void *)datarec.data, |
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dp = (RREAL *)realloc(datarec.data, |
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m*n*pointsize*sizeof(RREAL)); |
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if (dp != NULL) |
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datarec.data = dp; |
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|
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double |
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l_dataval(nam) /* return recorded data value */ |
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char *nam; |
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l_dataval( /* return recorded data value */ |
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char *nam |
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) |
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{ |
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double u, v; |
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register int i, j; |
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} |
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putobjrow(rp, n) /* output vertex row to .OBJ */ |
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register POINT *rp; |
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int n; |
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void |
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putobjrow( /* output vertex row to .OBJ */ |
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register POINT *rp, |
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int n |
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) |
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{ |
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static int nverts = 0; |
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static int nnorms = 0; |
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|
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for ( ; n-- >= 0; rp++) { |
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if (!rp->valid) |
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continue; |
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fputs("v ", stdout); |
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pvect(rp->p); |
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if (smooth && !ZEROVECT(rp->n)) |
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if (smooth && !ZEROVECT(rp->n)) { |
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printf("\tvn %.9g %.9g %.9g\n", |
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rp->n[0], rp->n[1], rp->n[2]); |
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rp->nvalid = ++nnorms; |
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} else |
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rp->nvalid = 0; |
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printf("\tvt %.9g %.9g\n", rp->uv[0], rp->uv[1]); |
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rp->valid = ++nverts; |
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} |
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} |
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putsquare(p0, p1, p2, p3) /* put out a square */ |
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POINT *p0, *p1, *p2, *p3; |
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void |
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putsquare( /* put out a square */ |
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POINT *p0, |
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POINT *p1, |
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POINT *p2, |
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POINT *p3 |
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) |
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{ |
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static int nout = 0; |
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FVECT norm[4]; |
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if (!(ok1 | ok2)) |
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return; |
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if (objout) { /* output .OBJ faces */ |
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int p0n=0, p1n=0, p2n=0, p3n=0; |
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if (smooth) { |
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if (!ZEROVECT(p0->n)) |
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p0n = p0->valid; |
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if (!ZEROVECT(p1->n)) |
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p1n = p1->valid; |
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if (!ZEROVECT(p2->n)) |
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p2n = p2->valid; |
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if (!ZEROVECT(p3->n)) |
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p3n = p3->valid; |
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} |
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if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
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printf("f %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d\n", |
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p0->valid, p0->valid, p0n, |
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p1->valid, p1->valid, p1n, |
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p3->valid, p3->valid, p3n, |
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p2->valid, p2->valid, p2n); |
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p0->valid, p0->valid, p0->nvalid, |
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p1->valid, p1->valid, p1->nvalid, |
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p3->valid, p3->valid, p3->nvalid, |
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p2->valid, p2->valid, p2->nvalid); |
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return; |
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} |
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if (ok1) |
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printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
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p0->valid, p0->valid, p0n, |
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p1->valid, p1->valid, p1n, |
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p2->valid, p2->valid, p2n); |
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p0->valid, p0->valid, p0->nvalid, |
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p1->valid, p1->valid, p1->nvalid, |
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p2->valid, p2->valid, p2->nvalid); |
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if (ok2) |
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printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
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p2->valid, p2->valid, p2n, |
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p1->valid, p1->valid, p1n, |
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p3->valid, p3->valid, p3n); |
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p2->valid, p2->valid, p2->nvalid, |
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p1->valid, p1->valid, p1->nvalid, |
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p3->valid, p3->valid, p3->nvalid); |
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return; |
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} |
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/* compute normal interpolation */ |
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if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
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printf("\n%s ", modname); |
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if (axis != -1) { |
379 |
< |
printf("texfunc %s\n", texname); |
360 |
< |
printf(tsargs); |
379 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
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printf("0\n13\t%d\n", axis); |
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pvect(norm[0]); |
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pvect(norm[1]); |
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if (ok1) { |
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printf("\n%s ", modname); |
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if (axis != -1) { |
401 |
< |
printf("texfunc %s\n", texname); |
383 |
< |
printf(tsargs); |
401 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
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printf("0\n13\t%d\n", axis); |
403 |
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pvect(norm[0]); |
404 |
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pvect(norm[1]); |
416 |
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if (ok2) { |
417 |
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printf("\n%s ", modname); |
418 |
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if (axis != -1) { |
419 |
< |
printf("texfunc %s\n", texname); |
402 |
< |
printf(tsargs); |
419 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
420 |
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printf("0\n13\t%d\n", axis); |
421 |
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pvect(norm[0]); |
422 |
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pvect(norm[1]); |
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} |
435 |
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|
436 |
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|
437 |
< |
comprow(s, row, siz) /* compute row of values */ |
438 |
< |
double s; |
439 |
< |
register POINT *row; |
440 |
< |
int siz; |
437 |
> |
void |
438 |
> |
comprow( /* compute row of values */ |
439 |
> |
double s, |
440 |
> |
register POINT *row, |
441 |
> |
int siz |
442 |
> |
) |
443 |
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{ |
444 |
|
double st[2]; |
445 |
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int end; |
476 |
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} |
477 |
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|
478 |
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|
479 |
< |
compnorms(r0, r1, r2, siz) /* compute row of averaged normals */ |
480 |
< |
register POINT *r0, *r1, *r2; |
481 |
< |
int siz; |
479 |
> |
void |
480 |
> |
compnorms( /* compute row of averaged normals */ |
481 |
> |
register POINT *r0, |
482 |
> |
register POINT *r1, |
483 |
> |
register POINT *r2, |
484 |
> |
int siz |
485 |
> |
) |
486 |
|
{ |
487 |
|
FVECT v1, v2; |
488 |
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|
520 |
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|
521 |
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|
522 |
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int |
523 |
< |
norminterp(resmat, p0, p1, p2, p3) /* compute normal interpolation */ |
524 |
< |
register FVECT resmat[4]; |
525 |
< |
POINT *p0, *p1, *p2, *p3; |
523 |
> |
norminterp( /* compute normal interpolation */ |
524 |
> |
register FVECT resmat[4], |
525 |
> |
POINT *p0, |
526 |
> |
POINT *p1, |
527 |
> |
POINT *p2, |
528 |
> |
POINT *p3 |
529 |
> |
) |
530 |
|
{ |
531 |
|
#define u ((ax+1)%3) |
532 |
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#define v ((ax+2)%3) |
576 |
|
|
577 |
|
#undef u |
578 |
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#undef v |
552 |
– |
} |
553 |
– |
|
554 |
– |
|
555 |
– |
void |
556 |
– |
eputs(msg) |
557 |
– |
char *msg; |
558 |
– |
{ |
559 |
– |
fputs(msg, stderr); |
560 |
– |
} |
561 |
– |
|
562 |
– |
|
563 |
– |
void |
564 |
– |
wputs(msg) |
565 |
– |
char *msg; |
566 |
– |
{ |
567 |
– |
eputs(msg); |
568 |
– |
} |
569 |
– |
|
570 |
– |
|
571 |
– |
void |
572 |
– |
quit(code) |
573 |
– |
int code; |
574 |
– |
{ |
575 |
– |
exit(code); |
576 |
– |
} |
577 |
– |
|
578 |
– |
|
579 |
– |
printhead(ac, av) /* print command header */ |
580 |
– |
register int ac; |
581 |
– |
register char **av; |
582 |
– |
{ |
583 |
– |
putchar('#'); |
584 |
– |
while (ac--) { |
585 |
– |
putchar(' '); |
586 |
– |
fputs(*av++, stdout); |
587 |
– |
} |
588 |
– |
putchar('\n'); |
579 |
|
} |
580 |
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|
581 |
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