# ifndef CPPAD_LOCAL_OPTIMIZE_CSUM_STACKS_HPP
# define CPPAD_LOCAL_OPTIMIZE_CSUM_STACKS_HPP
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-or-later
// SPDX-FileCopyrightText: Bradley M. Bell <bradbell@seanet.com>
// SPDX-FileContributor: 2003-22 Bradley M. Bell
// ----------------------------------------------------------------------------
# include <stack>
# include <cppad/local/optimize/csum_op_info.hpp>

/*!
\file csum_stacks.hpp
Information about one cumulative summation operation.
*/

// BEGIN_CPPAD_LOCAL_OPTIMIZE_NAMESPACE
namespace CppAD { namespace local { namespace optimize  {
/*!
Information about one cumulative summation operation.
*/
struct struct_csum_stacks {

   /// old operator indices for this cumulative summation
   std::stack<struct struct_csum_op_info>      op_info;

   /// old variable indices to be added
   std::stack<addr_t>                          add_var;

   /// old variable indices to be subtracted
   std::stack<addr_t>                          sub_var;

   /// dynamic parameter indices to be added
   std::stack<addr_t>                          add_dyn;

   /// dynamic parameter indices to be subtracted
   std::stack<addr_t>                          sub_dyn;
};

} } } // END_CPPAD_LOCAL_OPTIMIZE_NAMESPACE

# endif
