The D3DDivide macro divides two values.
D3DDivide(a, b) (float)((double) (a) / (double) (b))
The macros returns the quotient of the division.
Windows NT: Use version 4.0 or later.
Windows: Use Windows 95 or later. Available as a redistributable for Windows 95.
Windows CE: Unsupported.
Header: Declared in d3dtypes.h.