fesetprec()

Set the floating-point precision

Synopsis:

#include <fenv.h>

int fesetprec( int prec );

Arguments:

prec
The new precision; one of the following:
  • FE_PREC_SINGLE
  • FE_PREC_DOUBLE
  • FE_PREC_EXTENDED

Library:

libm

Use the -l m option to qcc to link against this library.

Description:

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

Returns:

0 on success, or -1 if the prec was invalid.

Classification:

QNX Neutrino

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