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added constructor from matrix44 excluding a row and colum

This commit is contained in:
ganovelli 2006-09-25 23:05:29 +00:00
parent a4ecdb2635
commit d1eea25504
1 changed files with 15 additions and 0 deletions
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15
vcg/math/matrix33.h
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@ -24,6 +24,9 @@
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$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.14 2006/06/22 08:00:05 ganovelli
bug in operator + with MatrixxDig
Revision 1.13 2006/01/20 16:41:44 pietroni Revision 1.13 2006/01/20 16:41:44 pietroni
added operators: added operators:
operator -= ( const Matrix33Diag<S> &p ) operator -= ( const Matrix33Diag<S> &p )
@ -79,6 +82,7 @@ created
#include <stdio.h> #include <stdio.h>
#include <vcg/math/lin_algebra.h> #include <vcg/math/lin_algebra.h>
#include <vcg/math/matrix44.h>
#include <vcg/space/point3.h> #include <vcg/space/point3.h>
#include <vector> #include <vector>
@ -124,6 +128,17 @@ public:
for(int i=0;i<9;++i) a[i] = v[i]; for(int i=0;i<9;++i) a[i] = v[i];
} }
/// create from Matrix44 excluding row and column k
Matrix33 (const Matrix44<S> & m, const int & k)
{
int i,j, r=0, c=0;
for(i = 0; i< 4;++i)if(i!=k){c=0;
for(j=0; j < 4;++j)if(j!=k)
{ (*this)[r][c] = m[i][j]; ++c;}
++r;
}
}
/// Number of columns /// Number of columns
inline unsigned int ColumnsNumber() const inline unsigned int ColumnsNumber() const
{ {