.. _program_listing_file_SeQuant_domain_mbpt_rules_df.hpp:

Program Listing for File df.hpp
===============================

|exhale_lsh| :ref:`Return to documentation for file <file_SeQuant_domain_mbpt_rules_df.hpp>` (``SeQuant/domain/mbpt/rules/df.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   //
   // Created by Eduard Valeyev on 3/8/25.
   //
   
   #ifndef SEQUANT_DOMAIN_MBPT_RULES_DF_HPP
   #define SEQUANT_DOMAIN_MBPT_RULES_DF_HPP
   
   #include <SeQuant/core/expr_fwd.hpp>
   #include <SeQuant/core/space.hpp>
   
   #include <string_view>
   
   namespace sequant::mbpt {
   
   [[nodiscard]] ExprPtr density_fit(ExprPtr const& expr, IndexSpace aux_space,
                                     std::wstring_view tensor_label,
                                     std::wstring_view factor_label);
   
   }  // namespace sequant::mbpt
   
   #endif  // SEQUANT_DOMAIN_MBPT_RULES_DF_HPP