/usr/include/root/TMatrixTSymCramerInv.h is in libroot-math-matrix-dev 5.34.14-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | // @(#)root/base:$Id$
// 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_TMatrixTSymCramerInv
#define ROOT_TMatrixTSymCramerInv
//////////////////////////////////////////////////////////////////////////
// //
// TMatrixTSymCramerInv //
// //
// Encapsulate templates of 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_TMatrixTSym
#include "TMatrixTSym.h"
#endif
namespace TMatrixTSymCramerInv {
template<class Element> Bool_t Inv2x2(TMatrixTSym<Element> &m,Double_t *determ);
template<class Element> Bool_t Inv3x3(TMatrixTSym<Element> &m,Double_t *determ);
template<class Element> Bool_t Inv4x4(TMatrixTSym<Element> &m,Double_t *determ);
template<class Element> Bool_t Inv5x5(TMatrixTSym<Element> &m,Double_t *determ);
template<class Element> Bool_t Inv6x6(TMatrixTSym<Element> &m,Double_t *determ);
}
#endif
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