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47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// This file is part of libigl, a simple c++ geometry processing library.
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//
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// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
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//
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// This Source Code Form is subject to the terms of the Mozilla Public License
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// v. 2.0. If a copy of the MPL was not distributed with this file, You can
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// obtain one at http://mozilla.org/MPL/2.0/.
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#ifndef IGL_MIN_QUAD_DENSE_H
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#define IGL_MIN_QUAD_DENSE_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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//// debug
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//#include <matlabinterface.h>
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//Engine *g_pEngine;
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namespace igl
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{
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// MIN_QUAD_WITH_FIXED Minimize quadratic energy Z'*A*Z + Z'*B + C
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// subject to linear constraints Aeq*Z = Beq
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//
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// Templates:
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// T should be a eigen matrix primitive type like float or double
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// Inputs:
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// A n by n matrix of quadratic coefficients
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// B n by 1 column of linear coefficients
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// Aeq m by n list of linear equality constraint coefficients
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// Beq m by 1 list of linear equality constraint constant values
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// use_lu_decomposition use lu rather than SVD
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// Outputs:
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// S n by (n + m) "solve" matrix, such that S*[B', Beq'] is a solution
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// Returns true on success, false on error
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template <typename T>
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IGL_INLINE void min_quad_dense_precompute(
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const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>& A,
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const Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>& Aeq,
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const bool use_lu_decomposition,
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Eigen::Matrix<T, Eigen::Dynamic, Eigen::Dynamic>& S);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "min_quad_dense.cpp"
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#endif
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#endif
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