dust3d/third_party/libigl/include/igl/normalize_row_lengths.h

38 lines
1.1 KiB
C++

// This file is part of libigl, a simple c++ geometry processing library.
//
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
//
// This Source Code Form is subject to the terms of the Mozilla Public License
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
// obtain one at http://mozilla.org/MPL/2.0/.
#ifndef IGL_NORMALIZE_ROW_LENGTHS_H
#define IGL_NORMALIZE_ROW_LENGTHS_H
#include "igl_inline.h"
#include <Eigen/Core>
// History:
// March 24, 2012: Alec changed function name from normalize_rows to
// normalize_row_lengths to avoid confusion with normalize_row_sums
namespace igl
{
// Obsolete: just use A.rowwise().normalize() or B=A.rowwise().normalized();
//
// Normalize the rows in A so that their lengths are each 1 and place the new
// entries in B
// Inputs:
// A #rows by k input matrix
// Outputs:
// B #rows by k input matrix, can be the same as A
template <typename DerivedV>
IGL_INLINE void normalize_row_lengths(
const Eigen::PlainObjectBase<DerivedV>& A,
Eigen::PlainObjectBase<DerivedV> & B);
}
#ifndef IGL_STATIC_LIBRARY
# include "normalize_row_lengths.cpp"
#endif
#endif