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greg |
2.4 |
/* RCSid $Id$ */
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greg |
1.1 |
/*
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* plocate.h - header for 3D vector location.
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*
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greg |
2.3 |
* Include after fvect.h
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*/
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greg |
2.4 |
#include "copyright.h"
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greg |
1.1 |
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greg |
2.2 |
#define EPSILON FTINY /* acceptable location error */
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greg |
1.1 |
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#define XPOS 03 /* x position mask */
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#define YPOS 014 /* y position mask */
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#define ZPOS 060 /* z position mask */
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#define position(i) (3<<((i)<<1)) /* macro version */
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#define BELOW 025 /* below bits */
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#define ABOVE 052 /* above bits */
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greg |
2.3 |
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#ifdef NOPROTO
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extern int clip();
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extern int plocate();
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#else
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extern int clip(FLOAT *ep1, FLOAT *ep2, FVECT min, FVECT max);
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extern int plocate(FVECT p, FVECT min, FVECT max);
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#endif
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