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/* Copyright (c) 1990 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* mat4.c - routines dealing with 4 X 4 homogeneous transformation matrices. |
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* |
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* 10/19/85 |
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*/ |
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#include "copyright.h" |
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#include "mat4.h" |
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MAT4 m4ident = MAT4IDENT; |
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static MAT4 m4tmp; /* for efficiency */ |
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void |
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multmat4(m4a, m4b, m4c) /* multiply m4b X m4c and put into m4a */ |
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MAT4 m4a; |
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register MAT4 m4b, m4c; |
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} |
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void |
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multv3(v3a, v3b, m4) /* transform vector v3b by m4 and put into v3a */ |
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FVECT v3a; |
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register FVECT v3b; |
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} |
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void |
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multp3(p3a, p3b, m4) /* transform p3b by m4 and put into p3a */ |
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register FVECT p3a; |
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FVECT p3b; |