Exemplo n.º 1
0
void load(const char *filename, MatrixBase<Derived>& m)
{
   int nrows, ncols;
   std::ifstream f(filename, std::ios::binary);
   f.read(reinterpret_cast<char*>(&nrows), sizeof(int));
   f.read(reinterpret_cast<char*>(&ncols), sizeof(int));
   m.derived().resize(nrows, ncols);
   f.read((char*)m.derived().data(), sizeof(typename Derived::Scalar) * nrows * ncols);
}
Exemplo n.º 2
0
void save(const char *filename, const MatrixBase<Derived>& m)
{
   unsigned int rows = m.rows(), cols = m.cols();
   std::ofstream f(filename, std::ios::out | std::ios::binary);
   f.write((char *)&rows, sizeof(rows));
   f.write((char *)&cols, sizeof(cols));
   f.write((char *)m.derived().data(), sizeof(typename Derived::Scalar) * rows * cols);
   f.close();
}
Exemplo n.º 3
0
Eigen::Block<Derived>
topLeftCorner(MatrixBase<Derived>& m, int rows, int cols)
{
  return Eigen::Block<Derived>(m.derived(), 0, 0, rows, cols);
}
Exemplo n.º 4
0
Eigen::Block<Derived, 2, 2>
topLeft2x2Corner(MatrixBase<Derived>& m)
{
  return Eigen::Block<Derived, 2, 2>(m.derived(), 0, 0);
}
Exemplo n.º 5
0
 void copy_shape(const MatrixBase<Derived>& src, MatrixBase<Derived>& dst) {
   dst.derived().resize(src.rows(), src.cols());
 }
Exemplo n.º 6
0
const Eigen::VectorBlock<const Derived>
firstTwo(const MatrixBase<Derived>& v)
{
  return Eigen::VectorBlock<const Derived>(v.derived(), 0, 2);
}