/* -----------------------------------------------------------------
 * Programmer(s): Cody J. Balos @ LLNL
 * -----------------------------------------------------------------
 * SUNDIALS Copyright Start
 * Copyright (c) 2002-2024, Lawrence Livermore National Security
 * and Southern Methodist University.
 * 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 the ARKODE SPRKStep module.
 * -----------------------------------------------------------------*/

#ifndef _ARKODE_SPRKSTEP_H
#define _ARKODE_SPRKSTEP_H

#include <arkode/arkode.h>
#include <arkode/arkode_sprk.h>

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

/* -----------------
 * SPRKStep Constants
 * ----------------- */

static const int SPRKSTEP_DEFAULT_1  = ARKODE_SPRK_EULER_1_1;
static const int SPRKSTEP_DEFAULT_2  = ARKODE_SPRK_LEAPFROG_2_2;
static const int SPRKSTEP_DEFAULT_3  = ARKODE_SPRK_MCLACHLAN_3_3;
static const int SPRKSTEP_DEFAULT_4  = ARKODE_SPRK_MCLACHLAN_4_4;
static const int SPRKSTEP_DEFAULT_5  = ARKODE_SPRK_MCLACHLAN_5_6;
static const int SPRKSTEP_DEFAULT_6  = ARKODE_SPRK_YOSHIDA_6_8;
static const int SPRKSTEP_DEFAULT_8  = ARKODE_SPRK_SUZUKI_UMENO_8_16;
static const int SPRKSTEP_DEFAULT_10 = ARKODE_SPRK_SOFRONIOU_10_36;

/* -------------------
 * Exported Functions
 * ------------------- */

/* Creation and Reinitialization functions */
SUNDIALS_EXPORT void* SPRKStepCreate(ARKRhsFn f1, ARKRhsFn f2, sunrealtype t0,
                                     N_Vector y0, SUNContext sunctx);
SUNDIALS_EXPORT int SPRKStepReInit(void* arkode_mem, ARKRhsFn f1, ARKRhsFn f2,
                                   sunrealtype t0, N_Vector y0);

/* Optional input functions -- must be called AFTER SPRKStepCreate */
SUNDIALS_EXPORT int SPRKStepSetUseCompensatedSums(void* arkode_mem,
                                                  sunbooleantype onoff);
SUNDIALS_EXPORT int SPRKStepSetMethod(void* arkode_mem,
                                      ARKodeSPRKTable sprk_storage);
SUNDIALS_EXPORT int SPRKStepSetMethodName(void* arkode_mem, const char* method);

/* Optional output functions */
SUNDIALS_EXPORT int SPRKStepGetCurrentMethod(void* arkode_mem,
                                             ARKodeSPRKTable* sprk_storage);
SUNDIALS_EXPORT int SPRKStepGetNumRhsEvals(void* arkode_mem, long int* nf1,
                                           long int* nf2);

/* --------------------------------------------------------------------------
 * Deprecated Functions -- all are superseded by shared ARKODE-level routines
 * -------------------------------------------------------------------------- */

SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeReset instead")
int SPRKStepReset(void* arkode_mem, sunrealtype tR, N_Vector yR);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeRootInit instead")
int SPRKStepRootInit(void* arkode_mem, int nrtfn, ARKRootFn g);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetRootDirection instead")
int SPRKStepSetRootDirection(void* arkode_mem, int* rootdir);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetNoInactiveRootWarn instead")
int SPRKStepSetNoInactiveRootWarn(void* arkode_mem);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetDefaults instead")
int SPRKStepSetDefaults(void* arkode_mem);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetOrder instead")
int SPRKStepSetOrder(void* arkode_mem, int maxord);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetInterpolantType instead")
int SPRKStepSetInterpolantType(void* arkode_mem, int itype);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetInterpolantDegree instead")
int SPRKStepSetInterpolantDegree(void* arkode_mem, int degree);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetMaxNumSteps instead")
int SPRKStepSetMaxNumSteps(void* arkode_mem, long int mxsteps);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetStopTime instead")
int SPRKStepSetStopTime(void* arkode_mem, sunrealtype tstop);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetFixedStep instead")
int SPRKStepSetFixedStep(void* arkode_mem, sunrealtype hfixed);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetUserData instead")
int SPRKStepSetUserData(void* arkode_mem, void* user_data);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetPostprocessStepFn instead")
int SPRKStepSetPostprocessStepFn(void* arkode_mem, ARKPostProcessFn ProcessStep);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeSetPostprocessStageFn instead")
int SPRKStepSetPostprocessStageFn(void* arkode_mem,
                                  ARKPostProcessFn ProcessStage);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeEvolve instead")
int SPRKStepEvolve(void* arkode_mem, sunrealtype tout, N_Vector yout,
                   sunrealtype* tret, int itask);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetDky instead")
int SPRKStepGetDky(void* arkode_mem, sunrealtype t, int k, N_Vector dky);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetReturnFlagName instead")
char* SPRKStepGetReturnFlagName(long int flag);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetCurrentState instead")
int SPRKStepGetCurrentState(void* arkode_mem, N_Vector* state);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetCurrentStep instead")
int SPRKStepGetCurrentStep(void* arkode_mem, sunrealtype* hcur);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetCurrentTime instead")
int SPRKStepGetCurrentTime(void* arkode_mem, sunrealtype* tcur);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetLastStep instead")
int SPRKStepGetLastStep(void* arkode_mem, sunrealtype* hlast);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetNumStepAttempts instead")
int SPRKStepGetNumStepAttempts(void* arkode_mem, long int* step_attempts);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetNumSteps instead")
int SPRKStepGetNumSteps(void* arkode_mem, long int* nsteps);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetRootInfo instead")
int SPRKStepGetRootInfo(void* arkode_mem, int* rootsfound);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetUserData instead")
int SPRKStepGetUserData(void* arkode_mem, void** user_data);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodePrintAllStats instead")
int SPRKStepPrintAllStats(void* arkode_mem, FILE* outfile, SUNOutputFormat fmt);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeWriteParameters instead")
int SPRKStepWriteParameters(void* arkode_mem, FILE* fp);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeGetStepStats instead")
int SPRKStepGetStepStats(void* arkode_mem, long int* nsteps,
                         sunrealtype* hinused, sunrealtype* hlast,
                         sunrealtype* hcur, sunrealtype* tcur);
SUNDIALS_DEPRECATED_EXPORT_MSG("use ARKodeFree instead")
void SPRKStepFree(void** arkode_mem);

#ifdef __cplusplus
}
#endif

#endif