ceil(3) - NetBSD Manual Pages

CEIL(3)                 NetBSD Library Functions Manual                CEIL(3)


NAME
ceil, ceilf, floor, floorf -- ceiling and floor
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h> double ceil(double x); float ceilf(float x); double floor(double x); float floorf(float x);
DESCRIPTION
The ceil() and ceilf() functions return the smallest integral value greater than or equal to x. Conversely, the floor() and floorf() func- tions return the largest integral value less than or equal to x.
SEE ALSO
abs(3), fabs(3), math(3), nextafter(3), rint(3)
STANDARDS
The described functions conform to ISO/IEC 9899:1999 (``ISO C99''). NetBSD 6.0.4 September 18, 2011 NetBSD 6.0.4

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