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LinearMath/Memory2.h

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+// Bullet Continuous Collision Detection and Physics Library
+// Copyright (c) 2003-2006 Erwin Coumans  http://continuousphysics.com/Bullet/
+//
+// Memory.h
+//
+// Copyright (c) 2006 Simon Hobbs
+//
+// This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+
+#ifndef BULLET_MEMORY2_H
+#define BULLET_MEMORY2_H
+
+#ifdef WIN32
+
+// default new and delete overrides that guarantee 16 byte alignment and zero allocated memory
+void* operator new(size_t sz) throw();
+void* operator new[](size_t sz) throw();
+void operator delete(void* m) throw();
+void operator delete[](void* m) throw();
+
+#include <malloc.h>
+
+#define BULLET_ALIGNED_NEW_AND_DELETE \
+\
+inline void* operator new(size_t sz) throw()	\
+{												\
+	void* mem = _aligned_malloc(sz + 64, 16);	\
+	return mem;									\
+}												\
+												\
+inline void* operator new[](size_t sz) throw()	\
+{												\
+	void* mem = _aligned_malloc(sz + 64, 16);	\
+	return mem;									\
+}												\
+												\
+inline void operator delete(void* m) throw()	\
+{												\
+	if (m == 0)									\
+		return;									\
+	_aligned_free(m);							\
+}												\
+												\
+inline void operator delete[](void* m) throw()	\
+{												\
+	_aligned_free(m);							\
+}												\
+
+
+
+#endif //WIN32	
+
+#endif //MEMORY2_H