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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.
46 lines
1.3 KiB
C++
46 lines
1.3 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_COUNT_H
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#define IGL_COUNT_H
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#include "igl_inline.h"
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#include <Eigen/Sparse>
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namespace igl
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{
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// Note: If your looking for dense matrix matlab like sum for eigen matrics
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// just use:
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// M.colwise().count() or M.rowwise().count()
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//
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// Count the number of non-zeros in the columns or rows of a sparse matrix
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//
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// Inputs:
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// X m by n sparse matrix
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// dim dimension along which to sum (1 or 2)
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// Output:
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// S n-long sparse vector (if dim == 1)
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// or
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// S m-long sparse vector (if dim == 2)
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template <typename XType, typename SType>
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IGL_INLINE void count(
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const Eigen::SparseMatrix<XType>& X,
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const int dim,
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Eigen::SparseVector<SType>& S);
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template <typename XType, typename DerivedS>
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IGL_INLINE void count(
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const Eigen::SparseMatrix<XType>& X,
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const int dim,
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Eigen::PlainObjectBase<DerivedS>& S);
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}
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#ifndef IGL_STATIC_LIBRARY
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# include "count.cpp"
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#endif
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#endif
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