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NAMEnearbyint , nearbyintf ,
nearbyintl , rint ,
rintf , rintl —
round to integral value in floating-point format
LIBRARYMath Library (libm, -lm)SYNOPSIS#include <math.h>
double
float
long double
double
float
long double
DESCRIPTIONTherint (), rintf (), and
rintl () functions return the integral value nearest to
x according to the prevailing rounding mode. These
functions raise an inexact exception when the original argument is not an
exact integer.
The SEE ALSOabs(3), ceil(3), fabs(3), fenv(3), floor(3), ieee(3), lrint(3), lround(3), math(3), round(3)STANDARDSThese functions conform to ISO/IEC 9899:1999 (“ISO C99”).HISTORYArint () function appeared in
Version 6 AT&T UNIX. The
nearbyint () and nearbyintf ()
functions appeared in FreeBSD 5.3, and the long double
variants were first available in FreeBSD 8.0.
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