// @(#)root/base:$Name: $:$Id: TMatrixDSymCramerInv.h,v 1.2 2005/04/07 14:43:35 rdm Exp $ // Authors: Fons Rademakers, Eddy Offermann Oct 2004 /************************************************************************* * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #ifndef ROOT_TMatrixDSymCramerInv #define ROOT_TMatrixDSymCramerInv ////////////////////////////////////////////////////////////////////////// // // // TMatrixDSymCramerInv // // // // Encapsulate Cramer Inversion routines. // // // // The 4x4, 5x5 and 6x6 are adapted from routines written by // // Mark Fischler and Steven Haywood as part of the CLHEP package // // // ////////////////////////////////////////////////////////////////////////// #ifndef ROOT_Rtypes #include "Rtypes.h" #endif #ifndef ROOT_TMatrixDSym #include "TMatrixDSym.h" #endif class TMatrixDSymCramerInv { public: static Bool_t Inv2x2(TMatrixDSym &m,Double_t *determ); static Bool_t Inv3x3(TMatrixDSym &m,Double_t *determ); static Bool_t Inv4x4(TMatrixDSym &m,Double_t *determ); static Bool_t Inv5x5(TMatrixDSym &m,Double_t *determ); static Bool_t Inv6x6(TMatrixDSym &m,Double_t *determ); virtual ~TMatrixDSymCramerInv() { } ClassDef(TMatrixDSymCramerInv,0) //Cramer Inversion routines for symmetric matrix }; #endif