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added operators: 

operator -= ( const Matrix33Diag<S>  &p )
           Matrix33  operator - ( const Matrix33Diag<S>  &p )
           Matrix33  operator + ( const Matrix33 &m )
           Matrix33  operator + ( const Matrix33Diag<S>  &p )
This commit is contained in:
Nico Pietroni 2006-01-20 16:41:44 +00:00
parent f3d28fb710
commit cf9fd0ca9f
1 changed files with 41 additions and 0 deletions
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41
vcg/math/matrix33.h
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@ -24,6 +24,9 @@
History
$Log: not supported by cvs2svn $
Revision 1.12 2005/11/14 10:28:25 cignoni
Changed Invert -> FastInvert for the function based on the maple expansion
Revision 1.11 2005/10/13 15:45:23 ponchio
Changed a Zero in SetZero in WeightedCrossCovariance() (again)
@ -171,6 +174,15 @@ public:
a[i] -= m.a[i];
return *this;
}
/// Modificatore somma per matrici 3x3
Matrix33 & operator -= ( const Matrix33Diag<S> &p )
{
a[0] -= p[0];
a[4] -= p[1];
a[8] -= p[2];
return *this;
}
/// Modificatore divisione per scalare
Matrix33 & operator /= ( const S &s )
@ -253,7 +265,36 @@ public:
return r;
}
/// Operatore sottrazione di matrici 3x3 con matrici diagonali
Matrix33 operator - ( const Matrix33Diag<S> &p )
{
Matrix33<S> r=a;
r[0][0] -= p[0];
r[1][1] -= p[1];
r[2][2] -= p[2];
return r;
}
/// Operatore sottrazione per matrici 3x3
Matrix33 operator + ( const Matrix33 &m )
{
Matrix33<S> r;
for(int i=0;i<9;++i)
r.a[i] = a[i] + m.a[i];
return r;
}
/// Operatore addizione di matrici 3x3 con matrici diagonali
Matrix33 operator + ( const Matrix33Diag<S> &p )
{
Matrix33<S> r=a;
r.a[0][0] += p[0];
r.a[1][1] += p[1];
r.a[2][2] += p[2];
return r;
}
/** Operatore per il prodotto matrice-vettore.
@param v A point in $R^{3}$