75 lines
3.8 KiB
C++
75 lines
3.8 KiB
C++
//--------------------------------------------------------------------------
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// Copyright(c) 2024, Yoshiya Usui
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met :
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and /or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//--------------------------------------------------------------------------
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#ifndef DBLDEF_LAPACK_INTERFACE
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#define DBLDEF_LAPACK_INTERFACE
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namespace LapackInterface
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{
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// Calcualte all eigenvalues and eigenvectors of a real symmetric matrix
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// @note Matrix and vectors are overwritten
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void calculateEigenValuesAndVectorsOfRealSymmetricMatrix( const int dimension, double* matrix, double* vectors );
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// Factorize and solve a linear equation with real coefficents matrix
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// @note Matrix and vectors are overwritten
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void factorizeAndSolveLinearEquationRealMatrix( const int dimension, const int nRhs, double* matrix, double* vectors );
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// Factorize and solve a linear equation with real symmetric matrix
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// @note Matrix and vectors are overwritten
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void factorizeAndSolveLinearEquationRealSymmetricMatrix( const int dimension, const int nRhs, double* matrix, double* vectors );
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// Factorize and solve a linear equation with real symmetric positive definite matrix
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// @note Matrix and vectors are overwritten
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void factorizeAndSolveLinearEquationRealSymmetricPositiveDefiniteMatrix( const int dimension, const int nRhs, double* matrix, double* vectors );
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// Factorize a real square matrix
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// @note Matrix and vectors are overwritten
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void factorizeRealSquareMatrix( const int dimension, double* matrix, int* ipivInt );
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// Factorize a real symmetric matrix
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// @note Matrix and vectors are overwritten
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void factorizeRealSymmetricMatrix( const int dimension, double* matrix, int* ipivInt );
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// Factorize a real symmetric positive definite matrix
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// @note Matrix and vectors are overwritten
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void factorizeRealSymmetricPositiveDefiniteMatrix( const int dimension, double* matrix );
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// Solve a linear equation with real square matrix
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void solveLinearEquationRealSquareMatrix( const int dimension, const int nRhs, const int* const ipivInt, double* factorizedMatrix, double* vectors );
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// Solve a linear equation with real symmetric matrix
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void solveLinearEquationRealSymmetricMatrix( const int dimension, const int nRhs, const int* const ipivInt, double* factorizedMatrix, double* vectors );
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// Solve a linear equation with real symmetric positive definite matrix
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void solveLinearEquationRealSymmetricPositiveDefiniteMatrix( const int dimension, const int nRhs, double* factorizedMatrix, double* vectors );
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}
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#endif
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