// Copyright 2008-2016 Conrad Sanderson (http://conradsanderson.id.au)
// Copyright 2008-2016 National ICT Australia (NICTA)
// 
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ------------------------------------------------------------------------


//! \addtogroup SizeCube
//! @{



inline
SizeCube::SizeCube(const uword in_n_rows, const uword in_n_cols, const uword in_n_slices)
  : n_rows  (in_n_rows  )
  , n_cols  (in_n_cols  )
  , n_slices(in_n_slices)
  {
  arma_extra_debug_sigprint();
  }



inline
uword
SizeCube::operator[](const uword dim) const
  {
  if(dim == 0)  { return n_rows;   }
  if(dim == 1)  { return n_cols;   }
  if(dim == 2)  { return n_slices; }
  
  return uword(1);
  }



inline
uword
SizeCube::operator()(const uword dim) const
  {
  if(dim == 0)  { return n_rows;   }
  if(dim == 1)  { return n_cols;   }
  if(dim == 2)  { return n_slices; }
  
  arma_debug_check(true, "size(): index out of bounds");
  
  return uword(1);
  }



inline
bool
SizeCube::operator==(const SizeCube& s) const
  {
  if(n_rows   != s.n_rows  )  { return false; }
  
  if(n_cols   != s.n_cols  )  { return false; }
  
  if(n_slices != s.n_slices)  { return false; }
  
  return true;
  }



inline
bool
SizeCube::operator!=(const SizeCube& s) const
  {
  if(n_rows   != s.n_rows  )  { return true; }
  
  if(n_cols   != s.n_cols  )  { return true; }
  
  if(n_slices != s.n_slices)  { return true; }
  
  return false;
  }



inline
SizeCube
SizeCube::operator+(const SizeCube& s) const
  {
  return SizeCube( (n_rows + s.n_rows), (n_cols + s.n_cols), (n_slices + s.n_slices) );
  }



inline
SizeCube
SizeCube::operator-(const SizeCube& s) const
  {
  const uword out_n_rows   = (n_rows   > s.n_rows  ) ? (n_rows   - s.n_rows  ) : uword(0);
  const uword out_n_cols   = (n_cols   > s.n_cols  ) ? (n_cols   - s.n_cols  ) : uword(0);
  const uword out_n_slices = (n_slices > s.n_slices) ? (n_slices - s.n_slices) : uword(0);
  
  return SizeCube(out_n_rows, out_n_cols, out_n_slices);
  }



inline
SizeCube
SizeCube::operator+(const uword val) const
  {
  return SizeCube( (n_rows + val), (n_cols + val), (n_slices + val) );
  }



inline
SizeCube
SizeCube::operator-(const uword val) const
  {
  const uword out_n_rows   = (n_rows   > val) ? (n_rows   - val) : uword(0);
  const uword out_n_cols   = (n_cols   > val) ? (n_cols   - val) : uword(0);
  const uword out_n_slices = (n_slices > val) ? (n_slices - val) : uword(0);
  
  return SizeCube(out_n_rows, out_n_cols, out_n_slices);
  }



inline
SizeCube
SizeCube::operator*(const uword val) const
  {
  return SizeCube( (n_rows * val), (n_cols * val), (n_slices * val) );
  }



inline
SizeCube
SizeCube::operator/(const uword val) const
  {
  return SizeCube( (n_rows / val), (n_cols / val), (n_slices / val)  );
  }



//! @}
