text: // -*- c++ -*-
  //==============================================================================
  // IRIS - Long-range Interaction Solver Library
  //
  // Copyright (c) 2017-2019, the National Center for Supercomputing Applications
  //
  // Primary authors:
  //     Valentin Pavlov <vpavlov@rila.bg>
  //     Peicho Petkov <peicho@phys.uni-sofia.bg>
  //     Stoyan Markov <markov@acad.bg>
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.
  //==============================================================================
  #ifndef __IRIS_SOLVER_PARAM_H__
  #define __IRIS_SOLVER_PARAM_H__
  
  namespace ORG_NCSA_IRIS
  {
      union solver_param_t
      {
          int i;
          iris_real r;
      };
  };
  
  #define IRIS_SOLVER_CG_NSIGMAS         0  // total width of Gaussian
  #define IRIS_SOLVER_CG_STENCIL_PADE_M  1  // nom order of Pade approximant
  #define IRIS_SOLVER_CG_STENCIL_PADE_N  2  // denom order of Pade approximant
  #define IRIS_SOLVER_P3M_USE_COLLECTIVE 3  // whether to use collective calls for the FFT3D remap
  #define IRIS_SOLVER_FMM_NCRIT          4  // avg. number of particles in cell (determines max level)
  #define IRIS_SOLVER_FMM_MAC            5  // FMM: Multipole Acceptance Criteria θ
  #define IRIS_SOLVER_FMM_MAC_CORR       6  // FMM: Correction to θ for estimating distance for LET
  #define IRIS_SOLVER_FMM_DEPTH          7  // FMM: Desired tree depth
  #define IRIS_SOLVER_PARAM_CNT          8  // number of different parameters
  
  #endif
  