Manual Pages  — FEGETROUND

fegetround, fesetround – floating-point rounding control

LIBRARY SYNOPSIS DESCRIPTION RETURN VALUES SEE ALSO STANDARDS HISTORY

Math Library (libm, -lm)

#include <fenv.h>

#pragma STDC FENV_ACCESS ON
int
fegetround(void);

int
fesetround(int round);

The fegetround() routine returns the current rounding mode. The fesetround() function returns 0 on success and non-zero otherwise; however, the present implementation always succeeds.

The fegetround() and fesetround() functions conform to ISO/IEC 9899:1999 ("ISO C99").