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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* Copyright (c) 1989 Regents of the University of California */ |
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/* |
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* genrev.c - program to generate functions of rotation about z |
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* |
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*/ |
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#include <stdio.h> |
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#include <math.h> |
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#define ZNAME "Z_" /* z function name */ |
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#define RNAME "R_" /* r function name */ |
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#define ZNAME "Z`SYS`" /* z function name */ |
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#define RNAME "R`SYS`" /* r function name */ |
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#define PI 3.14159265358979323846 |
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double funvalue(), l_hermite(), l_bezier(), l_bspline(), argument(); |
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void quit(), eputs(), wputs(); |
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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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char stmp[256]; |
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char *modname; |
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int smooth = 0; |
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int i, nseg; |
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int orient; |
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varset("PI", PI); |
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funset("hermite", 5, l_hermite); |
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funset("bezier", 5, l_bezier); |
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funset("bspline", 5, l_bspline); |
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varset("PI", ':', PI); |
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funset("hermite", 5, ':', l_hermite); |
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funset("bezier", 5, ':', l_bezier); |
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funset("bspline", 5, ':', l_bspline); |
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if (argc < 6) |
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goto userror; |
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for (i = 6; i < argc; i++) |
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if (!strcmp(argv[i], "-e")) |
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scompile(NULL, argv[++i]); |
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scompile(argv[++i], NULL, 0); |
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else if (!strcmp(argv[i], "-f")) |
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fcompile(argv[++i]); |
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else if (!strcmp(argv[i], "-s")) |
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goto userror; |
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sprintf(stmp, "%s(t)=%s;", ZNAME, argv[3]); |
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scompile(NULL, stmp); |
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scompile(stmp, NULL, 0); |
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sprintf(stmp, "%s(t)=%s;", RNAME, argv[4]); |
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scompile(NULL, stmp); |
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scompile(stmp, NULL, 0); |
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nseg = atoi(argv[5]); |
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if (nseg <= 0) |
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goto userror; |
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modname = smooth ? "Phong" : argv[1]; |
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printhead(argc, argv); |
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eclock = 0; |
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lastnz = lastnr = 0.0; |
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t = 0.0; |
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computen(nzp, nrp, z0, r0, z1, r1) /* compute normal */ |
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double *nzp, *nrp, z0, r0, z1, r1; |
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{ |
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extern double sqrt(); |
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double dr, dz, len; |
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dz = r0 - r1; /* right angle vector */ |
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} |
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void |
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eputs(msg) |
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char *msg; |
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{ |
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} |
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void |
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wputs(msg) |
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char *msg; |
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{ |
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} |
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void |
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quit(code) |
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int code; |
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{ |
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exit(code); |
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} |
