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RINT(3) BSD Library Functions Manual RINT(3) NAME nearbyint, nearbyintf, rint, rintf -- round to integral value in float- ing-point format LIBRARY Math Library (libm, -lm) SYNOPSIS #include <math.h> double nearbyint(double x); float nearbyintf(float x); double rint(double x); float rintf(float x); DESCRIPTION The rint() and the rintf() 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 nearbyint() and nearbyintf() functions perform the same operation, except that they do not raise an inexact exception. SEE ALSO abs(3), ceil(3), fabs(3), fenv(3), floor(3), ieee(3), math(3), round(3) STANDARDS The nearbyint(), nearbyintf(), rint(), and rintf() functions conform to ISO/IEC 9899:1999 ("ISO C99"). HISTORY A rint() function appeared in Version 6 AT&T UNIX. The nearbyint() and nearbyintf() functions appeared in FreeBSD 5.3. BSD July 5, 2004 BSD
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | SEE ALSO | STANDARDS | HISTORY
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