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greg |
2.10 |
/* RCSid $Id: mat4.h,v 2.9 2003/06/26 00:58:09 schorsch 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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#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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