round(3)
NAME
round, roundf -- round to nearest integral value
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h> double round(double x); float roundf(float x);
DESCRIPTION
The round() and roundf() functions return the nearest integral value to x; if x lies halfway between two integral values, then these functions return the integral value with the larger absolute value (i.e., they round away from zero).
SEE ALSO
ceil(3), floor(3), ieee(3), lrint(3), lround(3), math(3), rint(3), trunc(3)
STANDARDS
The round() function conforms to ISO/IEC 9899:1999 (``ISO C99'').
HISTORY
The round() and roundf() functions appeared in FreeBSD 5.3. FreeBSD 5.4 November 29, 2003 FreeBSD 5.4
SPONSORED LINKS
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