Instance Property


A Boolean value that indicates whether the compiler can perform optimizations for floating-point arithmetic that may violate the IEEE 754 standard.


@property(readwrite, nonatomic) BOOL fastMathEnabled;


The default value is YES. A YES value also enables the high-precision variant of math functions for single-precision floating-point scalar and vector types.

See Also

Specifying Compiler Options


The language version used to interpret the library source code.


Metal shading language versions.


A list of preprocessor macros to apply when compiling the library source.

Beta Software

This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.

Learn more about using Apple's beta software