1 files changed, 35 insertions, 0 deletions
diff --git a/step_control.h b/step_control.h
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+++ b/step_control.h
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+/*
+ * 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