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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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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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/* 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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|
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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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register int size; |
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register FLOAT *dp; |
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register RREAL *dp; |
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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; |
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if (pointsize == 3) |
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datarec.flags |= TRIPLETS; |
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dp = (FLOAT *)malloc(size*sizeof(FLOAT)); |
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dp = (RREAL *)malloc(size*sizeof(RREAL)); |
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if ((datarec.data = dp) == NULL) { |
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fputs("Out of memory\n", stderr); |
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exit(1); |
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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 = (FLOAT *)realloc((char *)datarec.data, |
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m*n*pointsize*sizeof(FLOAT)); |
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dp = (RREAL *)realloc((void *)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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datarec.flags &= ~HASBORDER; |
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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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register FLOAT *dp; |
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register RREAL *dp; |
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double d00, d01, d10, d11; |
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/* compute coordinates */ |
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u = argument(1); v = argument(2); |
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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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} |
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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 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
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printf("\n%s ", modname); |
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if (axis != -1) { |
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printf("texfunc %s\n", texname); |
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printf(tsargs); |
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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) { |
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printf("texfunc %s\n", texname); |
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printf(tsargs); |
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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 (ok2) { |
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printf("\n%s ", modname); |
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if (axis != -1) { |
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printf("texfunc %s\n", texname); |
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printf(tsargs); |
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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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} |
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comprow(s, row, siz) /* compute row of values */ |
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double s; |
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register POINT *row; |
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int siz; |
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void |
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comprow( /* compute row of values */ |
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double s, |
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register POINT *row, |
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int siz |
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) |
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{ |
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double st[2]; |
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int end; |
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} |
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compnorms(r0, r1, r2, siz) /* compute row of averaged normals */ |
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register POINT *r0, *r1, *r2; |
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int siz; |
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void |
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compnorms( /* compute row of averaged normals */ |
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register POINT *r0, |
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register POINT *r1, |
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register POINT *r2, |
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int siz |
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) |
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{ |
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FVECT v1, v2; |
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int |
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norminterp(resmat, p0, p1, p2, p3) /* compute normal interpolation */ |
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register FVECT resmat[4]; |
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POINT *p0, *p1, *p2, *p3; |
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> |
norminterp( /* compute normal interpolation */ |
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register FVECT resmat[4], |
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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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#define u ((ax+1)%3) |
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#define v ((ax+2)%3) |
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} |
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void |
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eputs(msg) |
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char *msg; |
558 |
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{ |
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fputs(msg, stderr); |
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} |
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|
562 |
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|
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void |
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wputs(msg) |
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char *msg; |
566 |
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{ |
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eputs(msg); |
568 |
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} |
569 |
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|
570 |
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|
571 |
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void |
572 |
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quit(code) |
573 |
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int code; |
574 |
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{ |
575 |
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exit(code); |
576 |
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} |
577 |
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|
578 |
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|
579 |
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printhead(ac, av) /* print command header */ |
580 |
– |
register int ac; |
581 |
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register char **av; |
582 |
– |
{ |
583 |
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putchar('#'); |
584 |
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while (ac--) { |
585 |
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putchar(' '); |
586 |
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fputs(*av++, stdout); |
587 |
– |
} |
588 |
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putchar('\n'); |
589 |
– |
} |
590 |
– |
|
591 |
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|
588 |
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double |
589 |
< |
l_hermite() |
589 |
> |
l_hermite(char *nm) |
590 |
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{ |
591 |
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double t; |
592 |
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|
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|
600 |
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|
601 |
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double |
602 |
< |
l_bezier() |
602 |
> |
l_bezier(char *nm) |
603 |
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{ |
604 |
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double t; |
605 |
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|
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|
613 |
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|
614 |
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double |
615 |
< |
l_bspline() |
615 |
> |
l_bspline(char *nm) |
616 |
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{ |
617 |
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double t; |
618 |
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