Fixed vs. Floating-Point Math

Windows Mobile 6.5
4/19/2010

Generally, it is much faster for the Windows Mobile device CPU to use fixed-point math instead of emulating floating-point math. Therefore, the design of the Direct3D Mobile library supports both number types.

Since the Windows Mobile Version 5.0 release, Direct3D mobile has supported fixed-point math.

For more information about how to use Direct3D Mobile with fixed-point data, see D3D Fixed Point Data.

For more information about Windows Mobile device development, see this Mic.

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