/usr/include/libmesh/vector_value.h is in libmesh-dev 0.7.1-2ubuntu1.
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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 | // $Id: vector_value.h 3874 2010-07-02 21:57:26Z roystgnr $
// The libMesh Finite Element Library.
// Copyright (C) 2002-2008 Benjamin S. Kirk, John W. Peterson, Roy H. Stogner
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef __vector_value_h__
#define __vector_value_h__
// C++ includes
// Local includes
#include "type_vector.h"
namespace libMesh
{
/**
* This class defines a vector in LIBMESH_DIM dimensional Real or Complex
* space. The typedef RealVectorValue always defines a real-valued vector,
* and NumberVectorValue defines a real or complex-valued vector depending
* on how the library was configured.
*
* \author Benjamin S. Kirk, 2003.
*/
template <typename T>
class VectorValue : public TypeVector<T>
{
public:
/**
* Constructor. By default sets all entries to 0.
* Gives the vector 0 in \p LIBMESH_DIM dimensional T space.
*/
VectorValue (const T x=0.,
const T y=0.,
const T z=0.);
/**
* Copy-constructor.
*/
template <typename T2>
VectorValue (const VectorValue<T2>& p);
/**
* Copy-constructor.
*/
template <typename T2>
VectorValue (const TypeVector<T2>& p);
#ifdef LIBMESH_USE_COMPLEX_NUMBERS
/**
* Constructor that takes two \p TypeVecor<Real>
* representing the real and imaginary part as
* arguments.
*/
VectorValue (const TypeVector<Real>& p_re,
const TypeVector<Real>& p_im);
#endif
private:
};
/**
* Useful typedefs to allow transparent switching
* between Real and Complex data types.
*/
typedef VectorValue<Real> RealVectorValue;
typedef VectorValue<Number> NumberVectorValue;
typedef RealVectorValue RealGradient;
typedef NumberVectorValue Gradient;
//------------------------------------------------------
// Inline functions
template <typename T>
inline
VectorValue<T>::VectorValue (const T x,
const T y,
const T z) :
TypeVector<T> (x,y,z)
{
}
template <typename T>
template <typename T2>
inline
VectorValue<T>::VectorValue (const VectorValue<T2>& p) :
TypeVector<T> (p)
{
}
template <typename T>
template <typename T2>
inline
VectorValue<T>::VectorValue (const TypeVector<T2>& p) :
TypeVector<T> (p)
{
}
#ifdef LIBMESH_USE_COMPLEX_NUMBERS
template <typename T>
inline
VectorValue<T>::VectorValue (const TypeVector<Real>& p_re,
const TypeVector<Real>& p_im) :
TypeVector<T> (Complex (p_re(0), p_im(0)),
Complex (p_re(1), p_im(1)),
Complex (p_re(2), p_im(2)))
{
}
#endif
} // namespace libMesh
#endif // #define __vector_value_h__
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