/* -----------------------------------------------------------------
 * Programmer(s): Daniel R. Reynolds @ SMU
 * -----------------------------------------------------------------
 * SUNDIALS Copyright Start
 * Copyright (c) 2002-2020, 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 ARKode's built-in ERK Butcher tables.
 * -----------------------------------------------------------------*/

#ifndef _ARKODE_ERK_TABLES_H
#define _ARKODE_ERK_TABLES_H

#include <arkode/arkode_butcher.h>

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


/* Butcher table accessor IDs
     ERK:    0 -  99
     DIRK: 100 - 199          */
#define HEUN_EULER_2_1_2         0
#define BOGACKI_SHAMPINE_4_2_3   1
#define ARK324L2SA_ERK_4_2_3     2
#define ZONNEVELD_5_3_4          3
#define ARK436L2SA_ERK_6_3_4     4
#define SAYFY_ABURUB_6_3_4       5
#define CASH_KARP_6_4_5          6
#define FEHLBERG_6_4_5           7
#define DORMAND_PRINCE_7_4_5     8
#define ARK548L2SA_ERK_8_4_5     9
#define VERNER_8_5_6            10
#define FEHLBERG_13_7_8         11
#define KNOTH_WOLKE_3_3         12
#define ARK437L2SA_ERK_7_3_4    13
#define ARK548L2SAb_ERK_8_4_5   14

/* Utility #defines to ensure valid input IDs for ERK tables */
#define MIN_ERK_NUM              0
#define MAX_ERK_NUM             14

/* Accessor routine to load built-in ERK table */
SUNDIALS_EXPORT ARKodeButcherTable ARKodeButcherTable_LoadERK(int imethod);


#ifdef __cplusplus
}
#endif

#endif
