8 |
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extern "C" { |
9 |
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#endif |
10 |
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11 |
– |
#include "copyright.h" |
12 |
– |
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11 |
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#ifdef SMLFLT |
12 |
< |
#define FLOAT float |
12 |
> |
#define RREAL float |
13 |
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#define FTINY (1e-3) |
14 |
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#else |
15 |
< |
#define FLOAT double |
15 |
> |
#define RREAL double |
16 |
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#define FTINY (1e-6) |
17 |
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#endif |
18 |
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#define FHUGE (1e10) |
19 |
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20 |
< |
typedef FLOAT FVECT[3]; |
20 |
> |
typedef RREAL FVECT[3]; |
21 |
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22 |
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#define VCOPY(v1,v2) ((v1)[0]=(v2)[0],(v1)[1]=(v2)[1],(v1)[2]=(v2)[2]) |
23 |
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#define DOT(v1,v2) ((v1)[0]*(v2)[0]+(v1)[1]*(v2)[1]+(v1)[2]*(v2)[2]) |
44 |
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extern void fcross(FVECT vres, FVECT v1, FVECT v2); |
45 |
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extern void fvsum(FVECT vres, FVECT v0, FVECT v1, double f); |
46 |
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extern double normalize(FVECT v); |
47 |
+ |
extern int closestapproach(RREAL t[2], FVECT rorg0, FVECT rdir0, |
48 |
+ |
FVECT rorg1, FVECT rdir1); |
49 |
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extern void spinvector(FVECT vres, FVECT vorig, FVECT vnorm, double theta); |
50 |
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51 |
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