fegetround man page on PC-BSD

fegetround man page on PC-BSD

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

NAME
     fegetround, fesetround — floating-point rounding control

LIBRARY
     Math Library (libm, -lm)

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

     int
     fegetround(void);

     int
     fesetround(int round);

DESCRIPTION
     The fegetround() function determines the current floating-point rounding
     mode, and the fesetround() function sets the current rounding mode to
     round.  The rounding mode is one of FE_TONEAREST, FE_DOWNWARD, FE_UPWARD,
     or FE_TOWARDZERO, as described in fenv(3).

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

SEE ALSO
     fenv(3), fpgetround(3), fpsetround(3)

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

HISTORY
     These routines first appeared in FreeBSD 5.3.  They supersede the non-
     standard fpgetround(3) and fpsetround(3) functions.

BSD				  May 8, 2004				   BSD

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