fmi-rs 0.2.0

Functional Mock-up Interface (FMI) for Rust
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#![allow(non_camel_case_types, non_snake_case)]

use std::ffi::c_void;

use crate::sundials::{sundials_linearsolver::SUNLinearSolver, sundials_matrix::SUNMatrix, sundials_nvector::N_Vector, sundials_types::sunrealtype};

// /* ----------------------------------------------------------------
//  * Programmer(s): Daniel R. Reynolds @ UMBC
//  *                Scott D. Cohen, Alan C. Hindmarsh and
//  *                Radu Serban @ LLNL
//  * ----------------------------------------------------------------
//  * SUNDIALS Copyright Start
//  * Copyright (c) 2025-2026, Lawrence Livermore National Security,
//  * University of Maryland Baltimore County, and the SUNDIALS contributors.
//  * Copyright (c) 2013-2025, Lawrence Livermore National Security
//  * and Southern Methodist University.
//  * Copyright (c) 2002-2013, Lawrence Livermore National Security.
//  * All rights reserved.
//  *
//  * See the top-level LICENSE and NOTICE files for details.
//  *
//  * SPDX-License-Identifier: BSD-3-Clause
//  * SUNDIALS Copyright End
//  * ----------------------------------------------------------------
//  * This is the header file for CVODE's linear solver interface.
//  * ----------------------------------------------------------------*/

// #ifndef _CVLS_H
// #define _CVLS_H

// #include <sundials/sundials_direct.h>
// #include <sundials/sundials_iterative.h>
// #include <sundials/sundials_linearsolver.h>
// #include <sundials/sundials_matrix.h>
// #include <sundials/sundials_nvector.h>

// #ifdef __cplusplus /* wrapper to enable C++ usage */
// extern "C" {
// #endif

// /*=================================================================
//   CVLS Constants
//   =================================================================*/

// #define CVLS_SUCCESS         0
// #define CVLS_MEM_NULL        -1
// #define CVLS_LMEM_NULL       -2
// #define CVLS_ILL_INPUT       -3
// #define CVLS_MEM_FAIL        -4
// #define CVLS_PMEM_NULL       -5
// #define CVLS_JACFUNC_UNRECVR -6
// #define CVLS_JACFUNC_RECVR   -7
// #define CVLS_SUNMAT_FAIL     -8
// #define CVLS_SUNLS_FAIL      -9

// /*=================================================================
//   CVLS user-supplied function prototypes
//   =================================================================*/

// typedef int (*CVLsJacFn)(sunrealtype t, N_Vector y, N_Vector fy, SUNMatrix Jac,
//                          void* user_data, N_Vector tmp1, N_Vector tmp2,
//                          N_Vector tmp3);
pub type CVLsJacFn = unsafe extern "C" fn(t: sunrealtype, y: N_Vector, fy: N_Vector, Jac: SUNMatrix,
    user_data: *mut c_void, tmp1: N_Vector, tmp2: N_Vector, tmp3: N_Vector) -> i32;

// typedef int (*CVLsPrecSetupFn)(sunrealtype t, N_Vector y, N_Vector fy,
//                                sunbooleantype jok, sunbooleantype* jcurPtr,
//                                sunrealtype gamma, void* user_data);

// typedef int (*CVLsPrecSolveFn)(sunrealtype t, N_Vector y, N_Vector fy,
//                                N_Vector r, N_Vector z, sunrealtype gamma,
//                                sunrealtype delta, int lr, void* user_data);

// typedef int (*CVLsJacTimesSetupFn)(sunrealtype t, N_Vector y, N_Vector fy,
//                                    void* user_data);

// typedef int (*CVLsJacTimesVecFn)(N_Vector v, N_Vector Jv, sunrealtype t,
//                                  N_Vector y, N_Vector fy, void* user_data,
//                                  N_Vector tmp);

// typedef int (*CVLsLinSysFn)(sunrealtype t, N_Vector y, N_Vector fy, SUNMatrix A,
//                             sunbooleantype jok, sunbooleantype* jcur,
//                             sunrealtype gamma, void* user_data, N_Vector tmp1,
//                             N_Vector tmp2, N_Vector tmp3);

unsafe extern "C" {
// /*=================================================================
//   CVLS Exported functions
//   =================================================================*/

// SUNDIALS_EXPORT int CVodeSetLinearSolver(void* cvode_mem, SUNLinearSolver LS,
//                                          SUNMatrix A);
pub unsafe fn CVodeSetLinearSolver(cvode_mem: *mut c_void, LS: SUNLinearSolver, A: SUNMatrix) -> i32;

// /*-----------------------------------------------------------------
//   Optional inputs to the CVLS linear solver interface
//   -----------------------------------------------------------------*/

// SUNDIALS_EXPORT int CVodeSetJacFn(void* cvode_mem, CVLsJacFn jac);
pub unsafe fn CVodeSetJacFn(cvode_mem: *mut c_void, jac: CVLsJacFn) -> i32;

// SUNDIALS_EXPORT int CVodeSetJacEvalFrequency(void* cvode_mem, long int msbj);
// SUNDIALS_EXPORT int CVodeSetLinearSolutionScaling(void* cvode_mem,
//                                                   sunbooleantype onoff);
// SUNDIALS_EXPORT int CVodeSetDeltaGammaMaxBadJac(void* cvode_mem,
//                                                 sunrealtype dgmax_jbad);
// SUNDIALS_EXPORT int CVodeSetEpsLin(void* cvode_mem, sunrealtype eplifac);
// SUNDIALS_EXPORT int CVodeSetLSNormFactor(void* arkode_mem, sunrealtype nrmfac);
// SUNDIALS_EXPORT int CVodeSetPreconditioner(void* cvode_mem, CVLsPrecSetupFn pset,
//                                            CVLsPrecSolveFn psolve);
// SUNDIALS_EXPORT int CVodeSetJacTimes(void* cvode_mem, CVLsJacTimesSetupFn jtsetup,
//                                      CVLsJacTimesVecFn jtimes);
// SUNDIALS_EXPORT int CVodeSetLinSysFn(void* cvode_mem, CVLsLinSysFn linsys);

// /*-----------------------------------------------------------------
//   Optional outputs from the CVLS linear solver interface
//   -----------------------------------------------------------------*/

// SUNDIALS_EXPORT int CVodeGetJac(void* cvode_mem,
//                                 SUNMatrix* J); // nb::rv_policy::reference
// SUNDIALS_EXPORT int CVodeGetJacTime(void* cvode_mem, sunrealtype* t_J);
// SUNDIALS_EXPORT int CVodeGetJacNumSteps(void* cvode_mem, long int* nst_J);
// SUNDIALS_DEPRECATED_EXPORT_MSG(
//   "Work space functions will be removed in version 8.0.0")
// int CVodeGetLinWorkSpace(void* cvode_mem, long int* lenrwLS, long int* leniwLS);
// SUNDIALS_EXPORT int CVodeGetNumJacEvals(void* cvode_mem, long int* njevals);
// SUNDIALS_EXPORT int CVodeGetNumPrecEvals(void* cvode_mem, long int* npevals);
// SUNDIALS_EXPORT int CVodeGetNumPrecSolves(void* cvode_mem, long int* npsolves);
// SUNDIALS_EXPORT int CVodeGetNumLinIters(void* cvode_mem, long int* nliters);
// SUNDIALS_EXPORT int CVodeGetNumLinConvFails(void* cvode_mem, long int* nlcfails);
// SUNDIALS_EXPORT int CVodeGetNumJTSetupEvals(void* cvode_mem, long int* njtsetups);
// SUNDIALS_EXPORT int CVodeGetNumJtimesEvals(void* cvode_mem, long int* njvevals);
// SUNDIALS_EXPORT int CVodeGetNumLinRhsEvals(void* cvode_mem, long int* nfevalsLS);
// SUNDIALS_EXPORT int CVodeGetLinSolveStats(void* cvode_mem, long int* njevals,
//                                           long int* nfevalsLS,
//                                           long int* nliters, long int* nlcfails,
//                                           long int* npevals, long int* npsolves,
//                                           long int* njtsetups, long int* njtimes);
// SUNDIALS_EXPORT int CVodeGetLastLinFlag(void* cvode_mem, long int* flag);
// SUNDIALS_EXPORT char* CVodeGetLinReturnFlagName(long int flag);

// #ifdef __cplusplus
// }
// #endif

// #endif
}