fmi-rs 0.3.1

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::{SUNContext, sunrealtype}};

// /* ----------------------------------------------------------------
//  * Programmer(s): Daniel R. Reynolds @ UMBC
//  *                Alan Hindmarsh, Radu Serban and
//  *                Aaron Collier @ 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 IDA's linear solver interface.
//  * ----------------------------------------------------------------*/

// #ifndef _IDALS_H
// #define _IDALS_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

// /*=================================================================
//   IDALS Constants
//   =================================================================*/

// #define IDALS_SUCCESS         0
// #define IDALS_MEM_NULL        -1
// #define IDALS_LMEM_NULL       -2
// #define IDALS_ILL_INPUT       -3
// #define IDALS_MEM_FAIL        -4
// #define IDALS_PMEM_NULL       -5
// #define IDALS_JACFUNC_UNRECVR -6
// #define IDALS_JACFUNC_RECVR   -7
// #define IDALS_SUNMAT_FAIL     -8
// #define IDALS_SUNLS_FAIL      -9

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

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

// typedef int (*IDALsPrecSetupFn)(sunrealtype tt, N_Vector yy, N_Vector yp,
//                                 N_Vector rr, sunrealtype c_j, void* user_data);

// typedef int (*IDALsPrecSolveFn)(sunrealtype tt, N_Vector yy, N_Vector yp,
//                                 N_Vector rr, N_Vector rvec, N_Vector zvec,
//                                 sunrealtype c_j, sunrealtype delta,
//                                 void* user_data);

// typedef int (*IDALsJacTimesSetupFn)(sunrealtype tt, N_Vector yy, N_Vector yp,
//                                     N_Vector rr, sunrealtype c_j,
//                                     void* user_data);

// typedef int (*IDALsJacTimesVecFn)(sunrealtype tt, N_Vector yy, N_Vector yp,
//                                   N_Vector rr, N_Vector v, N_Vector Jv,
//                                   sunrealtype c_j, void* user_data,
//                                   N_Vector tmp1, N_Vector tmp2);

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

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

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

// SUNDIALS_EXPORT int IDASetJacFn(void* ida_mem, IDALsJacFn jac);
pub unsafe fn IDASetJacFn(ida_mem: *mut c_void, jac: IDALsJacFn) -> i32;

// SUNDIALS_EXPORT int IDASetPreconditioner(void* ida_mem, IDALsPrecSetupFn pset,
//                                          IDALsPrecSolveFn psolve);
// SUNDIALS_EXPORT int IDASetJacTimes(void* ida_mem, IDALsJacTimesSetupFn jtsetup,
//                                    IDALsJacTimesVecFn jtimes);
// SUNDIALS_EXPORT int IDASetEpsLin(void* ida_mem, sunrealtype eplifac);
// SUNDIALS_EXPORT int IDASetLSNormFactor(void* ida_mem, sunrealtype nrmfac);
// SUNDIALS_EXPORT int IDASetLinearSolutionScaling(void* ida_mem,
//                                                 sunbooleantype onoff);
// SUNDIALS_EXPORT int IDASetIncrementFactor(void* ida_mem, sunrealtype dqincfac);

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

// SUNDIALS_EXPORT int IDAGetJac(void* ida_mem,
//                               SUNMatrix* J); // nb::rv_policy::reference
// SUNDIALS_EXPORT int IDAGetJacCj(void* ida_mem, sunrealtype* cj_J);
// SUNDIALS_EXPORT int IDAGetJacTime(void* ida_mem, sunrealtype* t_J);
// SUNDIALS_EXPORT int IDAGetJacNumSteps(void* ida_mem, long int* nst_J);
// SUNDIALS_DEPRECATED_EXPORT_MSG(
//   "Work space functions will be removed in version 8.0.0")
// int IDAGetLinWorkSpace(void* ida_mem, long int* lenrwLS, long int* leniwLS);
// SUNDIALS_EXPORT int IDAGetNumJacEvals(void* ida_mem, long int* njevals);
// SUNDIALS_EXPORT int IDAGetNumPrecEvals(void* ida_mem, long int* npevals);
// SUNDIALS_EXPORT int IDAGetNumPrecSolves(void* ida_mem, long int* npsolves);
// SUNDIALS_EXPORT int IDAGetNumLinIters(void* ida_mem, long int* nliters);
// SUNDIALS_EXPORT int IDAGetNumLinConvFails(void* ida_mem, long int* nlcfails);
// SUNDIALS_EXPORT int IDAGetNumJTSetupEvals(void* ida_mem, long int* njtsetups);
// SUNDIALS_EXPORT int IDAGetNumJtimesEvals(void* ida_mem, long int* njvevals);
// SUNDIALS_EXPORT int IDAGetNumLinResEvals(void* ida_mem, long int* nrevalsLS);
// SUNDIALS_EXPORT int IDAGetLastLinFlag(void* ida_mem, long int* flag);
// SUNDIALS_EXPORT char* IDAGetLinReturnFlagName(long int flag);
}
// #ifdef __cplusplus
// }
// #endif

// #endif