fegetprec()

Get the floating-point precision

Synopsis:

#include <fenv.h>

int fegetprec( void );

Library:

libm
The general-purpose math library.
libm-sve
(QNX Neutrino 7.1 or later) A library that optimizes the code for ARMv8.2 chips that have Scalable Vector Extension hardware.

Your system requirements will determine how you should work with these libraries:

Note: Compile your program with the -fno-builtin option to prevent the compiler from using a built-in version of the function.

Description:

The fegetprec() function gets the current floating-point precision. To set the precision, call fesetprec().

Returns:

The current precision; one of the following:

Classification:

QNX Neutrino

Safety:  
Cancellation point No
Interrupt handler Yes
Signal handler Yes
Thread Yes