fegetround man page on Darwin

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FEGETROUND(3)		 BSD Library Functions Manual		 FEGETROUND(3)

NAME
     fegetround, fesetround — functions providing access to the floating-point
     rounding mode.

SYNOPSIS
     #include <fenv.h>
     #pragma STDC FENV_ACCESS ON

     int
     fegetround(void);

     int
     fesetround(int round);

DESCRIPTION
     These functions provide control of floating-point rounding direction
     modes.

     The fegetround() function gets the current rounding direction.  It
     returns the value of the rounding direction macro representing the cur‐
     rent rounding direction, or a negative value if either there is no corre‐
     sponding macro or if the rounding direction is not determinable.

     The fesetround() function sets the rounding direction to be that speci‐
     fied by the argument round.  If the argument is not equal to the value of
     one of the rounding direction macros, the rounding direction is not
     changed.  It returns zero if and only if the requested rounding direction
     was established.

SEE ALSO
     fenv(3), feclearexcept(3), fegetenv(3), fegetexceptflag(3),
     feholdexcept(3), fesetenv(3), feraiseexcept(3), fesetexceptflag(3),
     feraiseexcept(3), feupdateenv(3)

STANDARDS
     These functions conform to ISO/IEC 9899:TC3.

BSD				  May 9, 2011				   BSD
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