cs_equation_param.h

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#ifndef __CS_EQUATION_PARAM_H__
#define __CS_EQUATION_PARAM_H__

/*============================================================================
 * Functions related to the structure cs_equation_param_t storing the settings
 * related to an equation.
 *============================================================================*/

/*
  This file is part of code_saturne, a general-purpose CFD tool.

  Copyright (C) 1998-2022 EDF S.A.

  This program is free software; you can redistribute it and/or modify it under
  the terms of the GNU General Public License as published by the Free Software
  Foundation; either version 2 of the License, or (at your option) any later
  version.

  This program is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  details.

  You should have received a copy of the GNU General Public License along with
  this program; if not, write to the Free Software Foundation, Inc., 51 Franklin
  Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/

/*----------------------------------------------------------------------------
 *  Local headers
 *----------------------------------------------------------------------------*/

#include "cs_advection_field.h"
#include "cs_enforcement.h"
#include "cs_hodge.h"
#include "cs_iter_algo.h"
#include "cs_param_cdo.h"
#include "cs_param_sles.h"
#include "cs_property.h"
#include "cs_xdef.h"

/*----------------------------------------------------------------------------*/

BEGIN_C_DECLS

/*============================================================================
 * Macro definitions
 *============================================================================*/

#define CS_EQUATION_LOCKED         (1 <<  0)  /*    1 */
#define CS_EQUATION_UNSTEADY       (1 <<  1)  /*    2 */
#define CS_EQUATION_CONVECTION     (1 <<  2)  /*    4 */
#define CS_EQUATION_DIFFUSION      (1 <<  3)  /*    8 */
#define CS_EQUATION_CURLCURL       (1 <<  4)  /*   16 */
#define CS_EQUATION_GRADDIV        (1 <<  5)  /*   32 */
#define CS_EQUATION_REACTION       (1 <<  6)  /*   64 */
#define CS_EQUATION_FORCE_VALUES   (1 <<  7)  /*  128 */
#define CS_EQUATION_INSIDE_SYSTEM  (1 <<  8)  /*  256 */
#define CS_EQUATION_BUILD_HOOK     (1 <<  9)  /*  512 */
#define CS_EQUATION_USER_TRIGGERED (1 << 10)  /* 1024 */


#define CS_EQUATION_POST_BALANCE     (1 << 0) /* 1 */
#define CS_EQUATION_POST_PECLET      (1 << 1) /* 2 */
#define CS_EQUATION_POST_UPWIND_COEF (1 << 2) /* 4 */
#define CS_EQUATION_POST_NORMAL_FLUX (1 << 3) /* 8 */

/*============================================================================
 * Type definitions
 *============================================================================*/

typedef enum {

  CS_EQUATION_TYPE_GROUNDWATER,
  CS_EQUATION_TYPE_MAXWELL,
  CS_EQUATION_TYPE_NAVSTO,
  CS_EQUATION_TYPE_PREDEFINED,
  CS_EQUATION_TYPE_THERMAL,
  CS_EQUATION_TYPE_SOLIDIFICATION,
  CS_EQUATION_TYPE_USER,

  CS_EQUATION_N_TYPES

} cs_equation_type_t;

/*----------------------------------------------------------------------------*/

typedef struct {

  char *restrict       name;           
  cs_equation_type_t   type;           
  int                  dim;            
  union {
    int                verbosity;
    int                iwarni;
  };

  cs_flag_t                  flag;

  cs_flag_t                  post_flag;

  /* Numerical settings */

  cs_param_space_scheme_t    space_scheme;  
  cs_param_dof_reduction_t   dof_reduction; 
  int                        space_poly_degree;

  int iconv;
  int istat;
  int idircl;
  int ndircl;
  int idiff;
  int idifft;
  int idften;
  int iswdyn;
  int ischcv;
  int ibdtso;
  int isstpc;
  int nswrgr;
  int nswrsm;
  int imvisf;
  int imrgra;
  int imligr;
  int ircflu;
  int iwgrec;
  int icoupl;
  double thetav;   /* TODO: merge with theta */
  double blencv;
  double blend_st;
  double epsilo;
  double epsrsm;
  double epsrgr;
  double climgr;
  double relaxv;

  cs_param_bc_type_t            default_bc;
  int                           n_bc_defs;
  cs_xdef_t                   **bc_defs;

  cs_param_bc_enforce_t         default_enforcement;
  cs_real_t                     strong_pena_bc_coeff;
  cs_real_t                     weak_pena_bc_coeff;

  int                           n_ic_defs;
  cs_xdef_t                   **ic_defs;

  bool                          do_lumping;

  cs_hodge_param_t              time_hodgep;
  cs_property_t                *time_property;
  cs_param_time_scheme_t        time_scheme;
  cs_real_t                     theta;

  cs_hodge_param_t              diffusion_hodgep;
  cs_property_t                *diffusion_property;

  cs_hodge_param_t              curlcurl_hodgep;
  cs_property_t                *curlcurl_property;

  cs_hodge_param_t              graddiv_hodgep;
  cs_property_t                *graddiv_property;

  cs_param_advection_form_t        adv_formulation;
  cs_param_advection_scheme_t      adv_scheme;
  cs_param_advection_strategy_t    adv_strategy;
  cs_param_advection_extrapol_t    adv_extrapol;
  cs_real_t                        upwind_portion;
  cs_adv_field_t                  *adv_field;
  cs_property_t                   *adv_scaling_property;

  cs_hodge_param_t              reaction_hodgep;
  int                           n_reaction_terms;
  cs_property_t               **reaction_properties;

  int                           n_source_terms;
  cs_xdef_t                   **source_terms;

  int                           n_volume_mass_injections;
  cs_xdef_t                   **volume_mass_injections;

  int                         n_enforcements;
  cs_enforcement_param_t    **enforcement_params;

  cs_param_sles_t            *sles_param;

  cs_param_nl_algo_t          incremental_algo_type;
  cs_iter_algo_param_t        incremental_algo_param;
  cs_real_t                   incremental_relax_factor;
  cs_iter_algo_param_aa_t     incremental_anderson_param;

  cs_param_assemble_omp_strategy_t     omp_assembly_choice;

} cs_equation_param_t;

/*----------------------------------------------------------------------------*/

typedef enum {

  CS_EQKEY_ADV_EXTRAPOL,
  CS_EQKEY_ADV_FORMULATION,
  CS_EQKEY_ADV_SCHEME,
  CS_EQKEY_ADV_STRATEGY,
  CS_EQKEY_ADV_UPWIND_PORTION,
  CS_EQKEY_AMG_TYPE,
  CS_EQKEY_BC_ENFORCEMENT,
  CS_EQKEY_BC_QUADRATURE,
  CS_EQKEY_BC_STRONG_PENA_COEFF,
  CS_EQKEY_BC_WEAK_PENA_COEFF,
  CS_EQKEY_DO_LUMPING,
  CS_EQKEY_DOF_REDUCTION,
  CS_EQKEY_EXTRA_OP,
  CS_EQKEY_HODGE_DIFF_ALGO,
  CS_EQKEY_HODGE_DIFF_COEF,
  CS_EQKEY_HODGE_TIME_ALGO,
  CS_EQKEY_HODGE_REAC_ALGO,
  CS_EQKEY_ITSOL,
  CS_EQKEY_ITSOL_EPS,
  CS_EQKEY_ITSOL_MAX_ITER,
  CS_EQKEY_ITSOL_RESNORM_TYPE,
  CS_EQKEY_ITSOL_RESTART,
  CS_EQKEY_OMP_ASSEMBLY_STRATEGY,
  CS_EQKEY_PRECOND,
  CS_EQKEY_PRECOND_BLOCK_TYPE,
  CS_EQKEY_SLES_VERBOSITY,
  CS_EQKEY_SOLVER_FAMILY,
  CS_EQKEY_SPACE_SCHEME,
  CS_EQKEY_TIME_SCHEME,
  CS_EQKEY_TIME_THETA,
  CS_EQKEY_VERBOSITY,

  CS_EQKEY_N_KEYS

} cs_equation_key_t;

/*============================================================================
 * Static inline public function prototypes
 *============================================================================*/

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline void
cs_equation_param_set_flag(cs_equation_param_t     *eqp,
                           cs_flag_t                flag)
{
  assert(eqp != NULL);
  eqp->flag |= flag;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_diffusion(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_DIFFUSION)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_curlcurl(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_CURLCURL)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_graddiv(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_GRADDIV)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_convection(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_CONVECTION)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_reaction(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_REACTION)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_time(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_UNSTEADY)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_sourceterm(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->n_source_terms > 0)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_internal_enforcement(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_FORCE_VALUES)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_implicit_advection(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_CONVECTION) {
    if (eqp->adv_strategy == CS_PARAM_ADVECTION_IMPLICIT_FULL ||
        eqp->adv_strategy == CS_PARAM_ADVECTION_IMPLICIT_LINEARIZED)
      return true;
    else
      return false;
  }
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_user_hook(const cs_equation_param_t     *eqp)
{
  assert(eqp != NULL);
  if (eqp->flag & CS_EQUATION_BUILD_HOOK)
    return true;
  else
    return false;
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

static inline bool
cs_equation_param_has_name(cs_equation_param_t   *eqp,
                           const char            *name)
{
  if (eqp == NULL)
    return false;
  if (eqp->name == NULL)
    return false;
  if (strcmp(eqp->name, name) == 0)
    return true;
  else
    return false;
}

/*============================================================================
 * Public function prototypes
 *============================================================================*/

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_equation_param_t *
cs_equation_param_create(const char            *name,
                         cs_equation_type_t     type,
                         int                    dim,
                         cs_param_bc_type_t     default_bc);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

inline static cs_equation_param_t *
cs_equation_create_param(const char            *name,
                         cs_equation_type_t     type,
                         int                    dim,
                         cs_param_bc_type_t     default_bc)
{
  return cs_equation_param_create(name, type, dim, default_bc);
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_param_copy_from(const cs_equation_param_t   *ref,
                            cs_equation_param_t         *dst,
                            bool                         copy_fid);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_param_copy_bc(const cs_equation_param_t   *ref,
                          cs_equation_param_t         *dst);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

inline static void
cs_equation_copy_param_from(const cs_equation_param_t   *ref,
                            cs_equation_param_t         *dst,
                            bool                         copy_fid)
{
  cs_equation_param_copy_from(ref, dst, copy_fid);
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_param_clear(cs_equation_param_t   *eqp);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

inline static void
cs_equation_clear_param(cs_equation_param_t   *eqp)
{
  cs_equation_param_clear(eqp);
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_equation_param_t *
cs_equation_param_free(cs_equation_param_t     *eqp);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

inline static cs_equation_param_t *
cs_equation_free_param(cs_equation_param_t     *eqp)
{
  return cs_equation_param_free(eqp);
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_param_set(cs_equation_param_t   *eqp,
                      cs_equation_key_t      key,
                      const char            *keyval);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

inline static void
cs_equation_set_param(cs_equation_param_t   *eqp,
                      cs_equation_key_t      key,
                      const char            *keyval)
{
  cs_equation_param_set(eqp, key, keyval);
}

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_param_set_sles(cs_equation_param_t      *eqp);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_param_last_stage(cs_equation_param_t   *eqp);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_param_log(const cs_equation_param_t  *eqp);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

bool
cs_equation_param_has_robin_bc(const cs_equation_param_t     *eqp);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_ic_by_value(cs_equation_param_t    *eqp,
                            const char             *z_name,
                            cs_real_t              *val);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_ic_by_qov(cs_equation_param_t    *eqp,
                          const char             *z_name,
                          double                  quantity);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_ic_by_analytic(cs_equation_param_t    *eqp,
                               const char             *z_name,
                               cs_analytic_func_t     *analytic,
                               void                   *input);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_ic_by_dof_func(cs_equation_param_t    *eqp,
                               const char             *z_name,
                               cs_flag_t               loc_flag,
                               cs_dof_func_t          *func,
                               void                   *input);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_add_xdef_bc(cs_equation_param_t        *eqp,
                        cs_xdef_t                  *xdef);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_bc_by_value(cs_equation_param_t         *eqp,
                            const cs_param_bc_type_t     bc_type,
                            const char                  *z_name,
                            cs_real_t                   *values);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_bc_by_array(cs_equation_param_t        *eqp,
                            const cs_param_bc_type_t    bc_type,
                            const char                 *z_name,
                            cs_flag_t                   loc,
                            cs_real_t                  *array,
                            bool                        is_owner,
                            const cs_lnum_t            *index,
                            const cs_lnum_t            *ids);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_bc_by_field(cs_equation_param_t        *eqp,
                            const cs_param_bc_type_t    bc_type,
                            const char                 *z_name,
                            cs_field_t                 *field);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_bc_by_analytic(cs_equation_param_t        *eqp,
                               const cs_param_bc_type_t    bc_type,
                               const char                 *z_name,
                               cs_analytic_func_t         *analytic,
                               void                       *input);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_bc_by_dof_func(cs_equation_param_t        *eqp,
                               const cs_param_bc_type_t    bc_type,
                               const char                 *z_name,
                               cs_flag_t                   loc_flag,
                               cs_dof_func_t              *func,
                               void                       *input);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_find_bc(cs_equation_param_t   *eqp,
                    const char            *z_name);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_remove_bc(cs_equation_param_t   *eqp,
                      const char            *z_name);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_add_sliding_condition(cs_equation_param_t     *eqp,
                                  const char              *z_name);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_add_diffusion(cs_equation_param_t   *eqp,
                          cs_property_t         *property);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_add_curlcurl(cs_equation_param_t   *eqp,
                         cs_property_t         *property,
                         int                    inversion);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_add_graddiv(cs_equation_param_t   *eqp,
                        cs_property_t         *property);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_add_time(cs_equation_param_t   *eqp,
                     cs_property_t         *property);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_add_advection(cs_equation_param_t   *eqp,
                          cs_adv_field_t        *adv_field);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

void
cs_equation_add_advection_scaling_property(cs_equation_param_t   *eqp,
                                           cs_property_t         *property);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

int
cs_equation_add_reaction(cs_equation_param_t   *eqp,
                         cs_property_t         *property);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_source_term_by_val(cs_equation_param_t    *eqp,
                                   const char             *z_name,
                                   cs_real_t              *val);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_source_term_by_analytic(cs_equation_param_t    *eqp,
                                        const char             *z_name,
                                        cs_analytic_func_t     *func,
                                        void                   *input);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_source_term_by_dof_func(cs_equation_param_t    *eqp,
                                        const char             *z_name,
                                        cs_flag_t               loc_flag,
                                        cs_dof_func_t          *func,
                                        void                   *input);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_source_term_by_array(cs_equation_param_t    *eqp,
                                     const char             *z_name,
                                     cs_flag_t               loc,
                                     cs_real_t              *array,
                                     bool                    is_owner,
                                     const cs_lnum_t        *index,
                                     const cs_lnum_t        *ids);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_volume_mass_injection_by_value(cs_equation_param_t  *eqp,
                                               const char           *z_name,
                                               double               *val);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_volume_mass_injection_by_qov(cs_equation_param_t  *eqp,
                                             const char           *z_name,
                                             double               *quantity);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_volume_mass_injection_by_analytic(cs_equation_param_t   *eqp,
                                                  const char            *z_name,
                                                  cs_analytic_func_t    *func,
                                                  void                  *input);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_xdef_t *
cs_equation_add_volume_mass_injection_by_dof_func(cs_equation_param_t  *eqp,
                                                  const char           *z_name,
                                                  cs_flag_t             loc_flag,
                                                  cs_dof_func_t        *func,
                                                  void                 *input);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_enforcement_param_t *
cs_equation_add_vertex_dof_enforcement(cs_equation_param_t    *eqp,
                                       cs_lnum_t               n_vertices,
                                       const cs_lnum_t         vertex_ids[],
                                       const cs_real_t         ref_value[],
                                       const cs_real_t         vtx_values[]);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_enforcement_param_t *
cs_equation_add_edge_dof_enforcement(cs_equation_param_t    *eqp,
                                     cs_lnum_t               n_edges,
                                     const cs_lnum_t         edge_ids[],
                                     const cs_real_t         ref_value[],
                                     const cs_real_t         edge_values[]);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_enforcement_param_t *
cs_equation_add_face_dof_enforcement(cs_equation_param_t    *eqp,
                                     cs_lnum_t               n_faces,
                                     const cs_lnum_t         face_ids[],
                                     const cs_real_t         ref_value[],
                                     const cs_real_t         face_values[]);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_enforcement_param_t *
cs_equation_add_cell_enforcement(cs_equation_param_t   *eqp,
                                 cs_lnum_t              n_cells,
                                 const cs_lnum_t        elt_ids[],
                                 const cs_real_t        ref_value[],
                                 const cs_real_t        cell_values[]);

/*----------------------------------------------------------------------------*/
/*----------------------------------------------------------------------------*/

cs_enforcement_param_t *
cs_equation_add_or_replace_cell_enforcement(cs_equation_param_t *eqp,
                                            int                  enforcement_id,
                                            cs_lnum_t            n_cells,
                                            const cs_lnum_t      cell_ids[],
                                            const cs_real_t      ref_value[],
                                            const cs_real_t      cell_values[]);

/*----------------------------------------------------------------------------*/

END_C_DECLS

#endif /* __CS_EQUATION_PARAM_H__ */