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__rt_fp_status_addr()
Defined in rt_fp.h, the __rt_fp_status_addr() function returns the address of the floating-point status word.
By default, the floating-point status word resides in __user_libspace.
This function is not part of the C library standard, but the Arm® C library supports it as an extension.
Syntax
unsigned*__rt_fp_status_addr(void);
Usage
If __rt_fp_status_addr() is not defined,
the default implementation from the C library is used. The value
is initialized when __rt_lib_init() calls _fp_init().
The constants for the status word are listed in fenv.h.
The default floating-point status is 0.
Returns
The address of the floating-point status word.