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https://github.com/SoftFever/OrcaSlicer.git
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2ae2672ee9
Fixing dep build script on Windows and removing some warnings. Use bundled igl by default. Not building with the dependency scripts if not explicitly stated. This way, it will stay in Fix the libigl patch to include C source files in header only mode.
42 lines
1.5 KiB
C++
42 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) 2016 Michael Rabinovich
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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_LINE_SEARCH_H
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#define IGL_LINE_SEARCH_H
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#include "igl_inline.h"
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#include <Eigen/Dense>
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namespace igl
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{
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// Implement a bisection linesearch to minimize a mesh-based energy on vertices given at 'x' at a search direction 'd',
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// with initial step size. Stops when a point with lower energy is found, or after maximal iterations have been reached.
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//
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// Inputs:
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// x #X by dim list of variables
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// d #X by dim list of a given search direction
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// i_step_size initial step size
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// energy A function to compute the mesh-based energy (return an energy that is bigger than 0)
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// cur_energy(OPTIONAL) The energy at the given point. Helps save redundant computations.
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// This is optional. If not specified, the function will compute it.
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// Outputs:
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// x #X by dim list of variables at the new location
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// Returns the energy at the new point 'x'
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IGL_INLINE double line_search(
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Eigen::MatrixXd& x,
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const Eigen::MatrixXd& d,
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double i_step_size,
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std::function<double(Eigen::MatrixXd&)> energy,
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double cur_energy = -1);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "line_search.cpp"
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#endif
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#endif
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