Hi David
I know we use it in our app with dynamic allocations ( thru new ) this is on Windoze with VS, not doing it with unions though I used it for the first time when working with a Lidar reader recently __________________________________________________________ Gordon Tomlinson Email : [EMAIL PROTECTED] YIM/AIM : gordon3dBrit MSN IM : [EMAIL PROTECTED] Website : www.vis-sim.com www.gordontomlinson.com __________________________________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of David Spilling Sent: Sunday, July 27, 2008 9:50 AM To: [EMAIL PROTECTED]; OpenSceneGraph Users Subject: Re: [osg-users] [osg-submissions] Matrixf multiply Optimization MS uses _aligned_malloc (and _aligned_free), _declspec(align(16)). I think gcc uses something like __attribute__((__aligned__(16))), but I'm not sure whether that's OK for dynamic allocation. Intel's MKL, and others, provide cross-platform aligned mallocs, so we might be able to find something similar. Or just create a new Vec4f / Matrix4f type with an overriden new operator. David
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