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nlerp() implements "normalized linear interpolation", which is faster
than slerp() and gives approximate results that are good enough for
some applications.
Reviewed-by: trustme
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slerp() is the more common-place name in the 3D community.
Reviewed-by: trustme
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The main use case for fixed-point support is to build large
arrays of vertices. This can be handled using qvertextype or
something similar at higher levels. So it isn't worth risking
numerical instability in the core classes.
Reviewed-by: trustme
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These sources had the old headers. Update to the new LGPL ones.
Reviewed-by: TrustMe
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