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llRot2Angle now checks absolute value of s rotation component before normalizing

cpu-performance
dahlia 2013-06-10 17:11:49 -07:00
parent b242ead6df
commit 9d9b9d4938
1 changed files with 3 additions and 11 deletions
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14
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
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@ -4688,19 +4688,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
{
m_host.AddScriptLPS(1);
if (rot.s > 1) // normalization needed
{
double length = Math.Sqrt(rot.x * rot.x + rot.y * rot.y +
rot.z * rot.z + rot.s * rot.s);
rot.x /= length;
rot.y /= length;
rot.z /= length;
rot.s /= length;
}
if (Math.Abs(rot.s) > 1) // normalization needed
rot.Normalize();
double angle = 2 * Math.Acos(rot.s);
if ((double.IsNaN(angle)) || double.IsInfinity(angle)) angle = 0;
return angle;
}