Cleanup: move fast heap into own source & header

1 files changed, 45 insertions, 0 deletions

diff --git a/source/blender/blenlib/BLI_heap_simple.h b/source/blender/blenlib/BLI_heap_simple.h
new file mode 100644
index 00000000000..077c8cc1bb9
--- /dev/null
+++ b/source/blender/blenlib/BLI_heap_simple.h
@@ -0,0 +1,45 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * 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 2
+ * 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, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __BLI_HEAP_SIMPLE_H__
+#define __BLI_HEAP_SIMPLE_H__
+
+/** \file BLI_heap_simple.h
+ *  \ingroup bli
+ *  \brief A min-heap / priority queue ADT
+ */
+
+
+struct FastHeap;
+typedef struct FastHeap FastHeap;
+
+typedef void (*HeapSimpleFreeFP)(void *ptr);
+
+FastHeap   *BLI_fastheap_new_ex(unsigned int tot_reserve) ATTR_WARN_UNUSED_RESULT;
+FastHeap   *BLI_fastheap_new(void) ATTR_WARN_UNUSED_RESULT;
+void        BLI_fastheap_clear(FastHeap *heap, HeapSimpleFreeFP ptrfreefp) ATTR_NONNULL(1);
+void        BLI_fastheap_free(FastHeap *heap, HeapSimpleFreeFP ptrfreefp) ATTR_NONNULL(1);
+void        BLI_fastheap_insert(FastHeap *heap, float value, void *ptr) ATTR_NONNULL(1);
+bool        BLI_fastheap_is_empty(const FastHeap *heap) ATTR_NONNULL(1);
+uint        BLI_fastheap_len(const FastHeap *heap) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
+float       BLI_fastheap_top_value(const FastHeap *heap) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1);
+void       *BLI_fastheap_pop_min(FastHeap *heap) ATTR_NONNULL(1);
+
+#endif  /* __BLI_HEAP_SIMPLE_H__ */