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IsProcessorFeaturePresent info Overview Group

The IsProcessorFeaturePresent function determines whether the specified processor feature is supported by at least one processor on the current machine.

BOOL IsProcessorFeaturePresent(

DWORD ProcessorFeature	// specifies the processor feature
);

Parameters

ProcessorFeature: Specifies the processor feature to be tested. This value can be one of the following:

Value	Meaning
PF_FLOATING_POINT_PRECISION_ ERRATA	In rare circumstances, a floating-point precision error can occur (Pentium).
PF_FLOATING_POINT_EMULATED	Floating-point operations are emulated using a software emulator.
PF_COMPARE_EXCHANGE_DOUBLE	The compare and exchange double operation is available (Pentium, MIPS, and Alpha).
PF_MMX_INSTRUCTIONS_AVAILABLE	The MMX instruction set is available.

Return Value

If at least one of the processors supports the feature, the return value is nonzero.

If no processor supports the feature, the return value is zero.

file: /Techref/os/win/api/win32/func/src/f52_5.htm, 2KB, , updated: 2000/4/7 11:19, local time: 2024/11/27 00:37,

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