/usr/include/fcl/ccd/simplex.h is in libfcl-dev 0.3.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | /***
* libccd
* ---------------------------------
* Copyright (c)2010 Daniel Fiser <danfis@danfis.cz>
*
*
* This file is part of libccd.
*
* Distributed under the OSI-approved BSD License (the "License");
* see accompanying file BDS-LICENSE for details or see
* <http://www.opensource.org/licenses/bsd-license.php>.
*
* This software is distributed WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the License for more information.
*/
#ifndef __CCD_SIMPLEX_H__
#define __CCD_SIMPLEX_H__
#include <ccd/compiler.h>
#include "support.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
struct _ccd_simplex_t {
ccd_support_t ps[4];
int last; //!< index of last added point
};
typedef struct _ccd_simplex_t ccd_simplex_t;
_ccd_inline void ccdSimplexInit(ccd_simplex_t *s);
_ccd_inline int ccdSimplexSize(const ccd_simplex_t *s);
_ccd_inline const ccd_support_t *ccdSimplexLast(const ccd_simplex_t *s);
_ccd_inline const ccd_support_t *ccdSimplexPoint(const ccd_simplex_t *s, int idx);
_ccd_inline ccd_support_t *ccdSimplexPointW(ccd_simplex_t *s, int idx);
_ccd_inline void ccdSimplexAdd(ccd_simplex_t *s, const ccd_support_t *v);
_ccd_inline void ccdSimplexSet(ccd_simplex_t *s, size_t pos, const ccd_support_t *a);
_ccd_inline void ccdSimplexSetSize(ccd_simplex_t *s, int size);
_ccd_inline void ccdSimplexSwap(ccd_simplex_t *s, size_t pos1, size_t pos2);
/**** INLINES ****/
_ccd_inline void ccdSimplexInit(ccd_simplex_t *s)
{
s->last = -1;
}
_ccd_inline int ccdSimplexSize(const ccd_simplex_t *s)
{
return s->last + 1;
}
_ccd_inline const ccd_support_t *ccdSimplexLast(const ccd_simplex_t *s)
{
return ccdSimplexPoint(s, s->last);
}
_ccd_inline const ccd_support_t *ccdSimplexPoint(const ccd_simplex_t *s, int idx)
{
// here is no check on boundaries
return &s->ps[idx];
}
_ccd_inline ccd_support_t *ccdSimplexPointW(ccd_simplex_t *s, int idx)
{
return &s->ps[idx];
}
_ccd_inline void ccdSimplexAdd(ccd_simplex_t *s, const ccd_support_t *v)
{
// here is no check on boundaries in sake of speed
++s->last;
ccdSupportCopy(s->ps + s->last, v);
}
_ccd_inline void ccdSimplexSet(ccd_simplex_t *s, size_t pos, const ccd_support_t *a)
{
ccdSupportCopy(s->ps + pos, a);
}
_ccd_inline void ccdSimplexSetSize(ccd_simplex_t *s, int size)
{
s->last = size - 1;
}
_ccd_inline void ccdSimplexSwap(ccd_simplex_t *s, size_t pos1, size_t pos2)
{
ccd_support_t supp;
ccdSupportCopy(&supp, &s->ps[pos1]);
ccdSupportCopy(&s->ps[pos1], &s->ps[pos2]);
ccdSupportCopy(&s->ps[pos2], &supp);
}
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* __CCD_SIMPLEX_H__ */
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