/*
 * Copyright 2020 Anton Khirnov <anton@khirnov.net>
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef MG2D_STEP_CONTROL_H
#define MG2D_STEP_CONTROL_H

#include "log.h"

typedef struct StepControl StepControl;

int sc_alloc(StepControl **sc, MG2DLogger logger);
void sc_free(StepControl **psc);

void sc_init(StepControl *sc, double hint, double step_min);

double sc_step_get(StepControl *sc);

int sc_step_confirm(StepControl *sc, const double step,
                    const double norm_old, const double norm_new);

#endif // MG2D_STEP_CONTROL_H