/usr/include/openturns/HMatrix.hxx is in libopenturns-dev 1.9-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* @brief This file supplies support for HMat
*
* Copyright 2005-2017 Airbus-EDF-IMACS-Phimeca
*
* 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 3 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
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef OPENTURNS_HMATRIX_HXX
#define OPENTURNS_HMATRIX_HXX
#include "openturns/HMatrixImplementation.hxx"
#include "openturns/TypedInterfaceObject.hxx"
BEGIN_NAMESPACE_OPENTURNS
/**
* @class HMatrix
*
* HMatrix implements hierarchical matrices
*/
class OT_API HMatrix :
public TypedInterfaceObject<HMatrixImplementation>
{
CLASSNAME;
/** Default constructor */
HMatrix();
/** Constructor with implementation */
HMatrix(const Implementation & i);
/** Constructor with implementation */
HMatrix(const HMatrixImplementation & i);
/** Get the dimensions of the matrix */
/** Number of rows */
UnsignedInteger getNbRows() const;
/** Number of columns */
UnsignedInteger getNbColumns() const;
void assemble(const HMatrixRealAssemblyFunction& f, char symmetry);
void assemble(const HMatrixTensorRealAssemblyFunction& f, char symmetry);
void factorize(const String& method);
/** Compute this <- alpha * this */
void scale(Scalar alpha);
/** Compute y <- alpha op(this) * x + beta * y */
void gemv(char trans, Scalar alpha, const Point& x, Scalar beta, Point& y) const;
/** Compute this <- alpha op(A) * p(B) + beta * this */
void gemm(char transA, char transB, Scalar alpha, const HMatrix& a, const HMatrix& b, Scalar beta);
/** Transpose matrix */
void transpose();
/** Get the Frobenius norm */
Scalar norm() const;
/** Get the diagonal */
Point getDiagonal() const;
/** Solve system op(A)*X = b */
Point solve(const Point& b, Bool trans = false) const;
/** Solve system op(A)*X = m */
Matrix solve(const Matrix& m, Bool trans = false) const;
/** Solve system op(L)*X = b */
Point solveLower(const Point& b, Bool trans = false) const;
/** Solve system op(L)*X = m */
Matrix solveLower(const Matrix& m, Bool trans = false) const;
/** Get number of HMatrix elements in compressed and uncompressed forms */
std::pair<size_t, size_t> compressionRatio() const;
/** Get number of HMatrix elements in full blocks and low rank blocks */
std::pair<size_t, size_t> fullrkRatio() const;
/** Dump HMatrix onto file */
void dump(const String & name) const;
/** String converter */
virtual String __repr__() const;
/** String converter */
virtual String __str__(const String & offset = "") const;
/** Comparison operators */
Bool operator == (const HMatrix & rhs) const;
}; /* class HMatrix */
END_NAMESPACE_OPENTURNS
#endif /* OPENTURNS_HMATRIX_HXX */
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