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Changed Invert -> FastInvert for the function based on the maple expansion

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Paolo Cignoni 2005-11-14 10:28:25 +00:00
parent 304937ada9
commit 0f7d072b0f
1 changed files with 7 additions and 1 deletions
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8
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 1.11 2005/10/13 15:45:23 ponchio
Changed a Zero in SetZero in WeightedCrossCovariance() (again)
Revision 1.10 2005/10/05 17:06:12 pietroni Revision 1.10 2005/10/05 17:06:12 pietroni
corrected sintax error on singular value decomposition corrected sintax error on singular value decomposition
@ -375,7 +378,10 @@ public:
a[2]*(a[3]*a[7]-a[4]*a[6]) ; a[2]*(a[3]*a[7]-a[4]*a[6]) ;
} }
Matrix33 & Invert() // Warning, this Inversion code can be HIGHLY NUMERICALLY UNSTABLE!
// In most case you are advised to use the Invert() method based on SVD decomposition.
Matrix33 & FastInvert()
{ {
// Maple produsse: // Maple produsse:
S t4 = a[0]*a[4]; S t4 = a[0]*a[4];