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schorsch |
2.7 |
/* RCSid $Id: mat4.h,v 2.6 2003/05/13 17:58:32 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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greg |
1.1 |
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greg |
2.5 |
#include "copyright.h" |
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greg |
2.4 |
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greg |
1.1 |
#include "fvect.h" |
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greg |
1.3 |
typedef FLOAT MAT4[4][4]; |
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greg |
1.1 |
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#ifdef BSD |
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greg |
2.6 |
#define copymat4(m4a,m4b) bcopy((void *)m4b,(void *)m4a,sizeof(MAT4)) |
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greg |
1.1 |
#else |
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greg |
2.6 |
#define copymat4(m4a,m4b) (void)memcpy((void *)m4a,(void *)m4b,sizeof(MAT4)) |
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greg |
1.1 |
#endif |
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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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