//==================================================================================================
/*
  ROTGEN - Runtime Overlay for Eigen
  Copyright : CODE RECKONS
  SPDX-License-Identifier: BSL-1.0
*/
//==================================================================================================

//==================================================================================================
/*
  This file is a X-File to generate various matrix_impl_* definitions variant
*/
//==================================================================================================

//==================================================================================================
// Constructors & Special Members
//==================================================================================================
CLASSNAME::CLASSNAME(std::size_t r, std::size_t c) : storage_(std::make_unique<payload>(r,c)) {}

CLASSNAME::CLASSNAME(std::initializer_list<std::initializer_list<TYPE>> init)
              : storage_(std::make_unique<payload>(init))
{}

CLASSNAME::CLASSNAME(std::size_t r, std::size_t c,std::initializer_list<TYPE> init)
: CLASSNAME(r,c)
{
  auto first = init.begin();
  for(std::size_t i=0; i < init.size(); i++)
    (*this)(i) = first[i];
}

CLASSNAME::CLASSNAME(CLASSNAME const& o)
              : CLASSNAME(o.rows(),o.cols())
{
  storage_->data = o.storage_->data;
}

CLASSNAME::CLASSNAME(CLASSNAME&&) noexcept            = default;


CLASSNAME&  CLASSNAME::operator=(CLASSNAME const& o)
{
  if (this != &o) storage_->data = o.storage_->data;
  return *this;
}

CLASSNAME& CLASSNAME::operator=(CLASSNAME&&) noexcept = default;

CLASSNAME::~CLASSNAME()                                   = default;

//==================================================================================================
// Matrix API
//==================================================================================================
rotgen::Index CLASSNAME::rows() const { return storage_->data.rows(); }
rotgen::Index CLASSNAME::cols() const { return storage_->data.cols(); }
rotgen::Index CLASSNAME::size() const { return storage_->data.size(); }

void CLASSNAME::resize(std::size_t new_rows, std::size_t new_cols)
{
  storage_->data.resize(new_rows, new_cols);
}

void CLASSNAME::conservativeResize(std::size_t new_rows, std::size_t new_cols)
{
  storage_->data.conservativeResize(new_rows, new_cols);
}

TYPE&       CLASSNAME::operator()(std::size_t i, std::size_t j)       { return storage_->data(i,j); }
TYPE const& CLASSNAME::operator()(std::size_t i, std::size_t j) const { return storage_->data(i,j); }

TYPE&       CLASSNAME::operator()(std::size_t index)       { return storage_->data(index); }
TYPE const& CLASSNAME::operator()(std::size_t index) const { return storage_->data(index); }

const TYPE* CLASSNAME::data() const { return storage_->data.data(); }

CLASSNAME CLASSNAME::transpose() const
{
  CLASSNAME result(*this);
  result.storage_->data.transposeInPlace();
  return result;

}

CLASSNAME CLASSNAME::conjugate() const
{
  CLASSNAME result(*this);
  result.storage_->data = storage_->data.conjugate();
  return result;
}

CLASSNAME CLASSNAME::adjoint() const
{
  CLASSNAME result(*this);
  result.storage_->data.adjointInPlace();
  return result;
}

void CLASSNAME::transposeInPlace()
{
  storage_->data.transposeInPlace();
}

void CLASSNAME::adjointInPlace()
{
  storage_->data.adjointInPlace();
}

TYPE CLASSNAME::sum()    const { return storage_->data.sum(); }
TYPE CLASSNAME::prod()   const { return storage_->data.prod(); }
TYPE CLASSNAME::mean()   const { return storage_->data.mean(); }
TYPE CLASSNAME::trace()  const { return storage_->data.trace(); }

TYPE CLASSNAME::minCoeff() const { return storage_->data.minCoeff(); }
TYPE CLASSNAME::maxCoeff() const { return storage_->data.maxCoeff(); }

TYPE CLASSNAME::minCoeff(std::ptrdiff_t* row, std::ptrdiff_t* col) const { return storage_->data.minCoeff(row, col); }
TYPE CLASSNAME::maxCoeff(std::ptrdiff_t* row, std::ptrdiff_t* col) const { return storage_->data.maxCoeff(row, col); }

TYPE CLASSNAME::squaredNorm()  const { return storage_->data.squaredNorm(); }
TYPE CLASSNAME::norm()         const { return storage_->data.norm(); }

TYPE CLASSNAME::lp_norm(int p) const
{
  if (p == 1)       return storage_->data.lpNorm<1>();
  else if (p == 2)  return storage_->data.lpNorm<2>();
  else              return storage_->data.lpNorm<Eigen::Infinity>();
}

//==================================================================================================
// Operators
//==================================================================================================
std::ostream& operator<<(std::ostream& os,CLASSNAME const& m)
{
  return os << m.storage_->data;
}

bool operator==(CLASSNAME const& lhs, CLASSNAME const& rhs)
{
  return lhs.storage_->data == rhs.storage_->data;
}

CLASSNAME& CLASSNAME::operator+=(CLASSNAME const& rhs)
{
  storage_->data += rhs.storage_->data;
  return *this;
}

CLASSNAME& CLASSNAME::operator-=(CLASSNAME const& rhs)
{
  storage_->data -= rhs.storage_->data;
  return *this;
}

CLASSNAME CLASSNAME::operator-() const
{
  CLASSNAME result(*this);
  result.storage_->data = -result.storage_->data;
  return result;
}

CLASSNAME& CLASSNAME::operator*=(CLASSNAME const& rhs)
{
  storage_->data *= rhs.storage_->data;
  return *this;
}

CLASSNAME& CLASSNAME::operator*=(TYPE s)
{
  storage_->data *= s;
  return *this;
}

CLASSNAME& CLASSNAME::operator/=(TYPE s)
{
  storage_->data /= s;
  return *this;
}

//==================================================================================================
// Static functions
//==================================================================================================

CLASSNAME CLASSNAME::Zero(std::size_t rows, std::size_t cols)
{
  CLASSNAME m;
  m.storage_ = std::make_unique<payload>(payload::data_type::Zero(rows, cols));
  return m;
}

CLASSNAME CLASSNAME::Constant(std::size_t rows, std::size_t cols, TYPE value)
{
  CLASSNAME m;
  m.storage_ = std::make_unique<payload>(payload::data_type::Constant(rows, cols, value));
  return m;
}

CLASSNAME CLASSNAME::Random(std::size_t rows, std::size_t cols)
{
  CLASSNAME m;
  m.storage_ = std::make_unique<payload>(payload::data_type::Random(rows, cols));
  return m;
}

CLASSNAME CLASSNAME::Identity(std::size_t rows, std::size_t cols)
{
  CLASSNAME m;
  m.storage_ = std::make_unique<payload>(payload::data_type::Identity(rows, cols));
  return m;
}