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schorsch | 
2.11 | 
/* RCSid $Id: mat4.h,v 2.10 2003/06/27 06:53:21 greg Exp $ */ | 
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greg | 
1.1 | 
/* | 
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 * Definitions for 4x4 matrix operations | 
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 */ | 
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schorsch | 
2.7 | 
#ifndef _RAD_MAT4_H_ | 
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#define _RAD_MAT4_H_ | 
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#ifdef __cplusplus | 
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extern "C" { | 
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#endif | 
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schorsch | 
2.8 | 
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#include  <string.h> | 
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greg | 
2.4 | 
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greg | 
1.1 | 
#include  "fvect.h" | 
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schorsch | 
2.9 | 
typedef RREAL  MAT4[4][4]; | 
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greg | 
1.1 | 
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greg | 
2.6 | 
#define  copymat4(m4a,m4b)      (void)memcpy((void *)m4a,(void *)m4b,sizeof(MAT4)) | 
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greg | 
1.2 | 
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greg | 
2.2 | 
#define  MAT4IDENT              { {1.,0.,0.,0.}, {0.,1.,0.,0.}, \ | 
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                                {0.,0.,1.,0.}, {0.,0.,0.,1.} } | 
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greg | 
1.2 | 
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extern MAT4  m4ident; | 
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#define  setident4(m4)          copymat4(m4, m4ident) | 
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greg | 
2.4 | 
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extern void     multmat4(MAT4 m4a, MAT4 m4b, MAT4 m4c); | 
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extern void     multv3(FVECT v3a, FVECT v3b, MAT4 m4); | 
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extern void     multp3(FVECT p3a, FVECT p3b, MAT4 m4); | 
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extern int      invmat4(MAT4 inverse, MAT4 mat); | 
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schorsch | 
2.7 | 
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#ifdef __cplusplus | 
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} | 
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greg | 
2.4 | 
#endif | 
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schorsch | 
2.7 | 
#endif /* _RAD_MAT4_H_ */ | 
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