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// 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_LIST_TO_MATRIX_H
#define IGL_LIST_TO_MATRIX_H
#include "igl_inline.h"
#include <vector>
#include <array>
#include <Eigen/Core>
namespace igl
{
/// Convert a list (std::vector) of row vectors of the same length to a matrix
///
/// @tparam T type that can be safely cast to type in Mat via '='
/// @tparam Mat Matrix type, must implement:
/// .resize(m,n)
/// .row(i) = Row
/// @param[in] V a m-long list of vectors of size n
/// @param[out] M an m by n matrix
/// @return true on success, false on errors
template <typename T, typename Derived>
IGL_INLINE bool list_to_matrix(
const std::vector<std::vector<T > > & V,
Eigen::PlainObjectBase<Derived>& M);
/// \overload
template <typename T, size_t N, typename Derived>
IGL_INLINE bool list_to_matrix(
const std::vector<std::array<T, N> > & V,
Eigen::PlainObjectBase<Derived>& M);
/// \overload
/// \brief Vector version.
template <typename T, typename Derived>
IGL_INLINE bool list_to_matrix(const std::vector<T > & V,Eigen::PlainObjectBase<Derived>& M);
/// Convert a list of row vectors of `n` or less to a matrix and pad on
/// the right with `padding`.
///
/// @param[in] V a m-long list of vectors of size <=n
/// @param[in] n number of columns
/// @param[in] padding value to fill in from right for short rows
/// @param[out] M an m by n matrix
template <typename T, typename Derived>
IGL_INLINE bool list_to_matrix(
const std::vector<std::vector<T > > & V,
const int n,
const T & padding,
Eigen::PlainObjectBase<Derived>& M);
}
#ifndef IGL_STATIC_LIBRARY
# include "list_to_matrix.cpp"
#endif
#endif