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16 | /* regular transformation */ | |
17 | typedef struct { | |
18 | MAT4 xfm; /* transform matrix */ | |
19 | < | double sca; /* scalefactor */ |
19 | > | FLOAT sca; /* scalefactor */ |
20 | } XF; | |
21 | /* complemetary tranformation */ | |
22 | typedef struct { | |
23 | XF f; /* forward */ | |
24 | XF b; /* backward */ | |
25 | } FULLXF; | |
26 | – | |
27 | – | #define FHUGE (1e10) /* large real number */ |
28 | – | #define FTINY (1e-6) /* small real number */ |
26 | ||
27 | #ifdef M_PI | |
28 | #define PI M_PI |
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