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/* Copyright (c) 1986 Regents of the University of California */ |
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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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/* |
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* sphere.c - routines for creating octrees for spheres. |
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* |
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*/ |
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o_sphere(o, cu) /* determine if sphere intersects cube */ |
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OBJREC *o; |
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register CUBE *cu; |
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/* XXX o_sphere() is extern, but not declared in any header file */ |
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int |
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o_sphere( /* determine if sphere intersects cube */ |
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OBJREC *o, |
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register CUBE *cu |
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) |
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{ |
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FVECT v1; |
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double d1, d2; |
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register FLOAT *fa; |
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register RREAL *fa; |
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register int i; |
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#define cent fa |
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#define rad fa[3] |
