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Command: ceilf | Section: 3 | Source: MINIX | File: ceilf.3
CEIL(3) FreeBSD Library Functions Manual CEIL(3)
NAME
ceil, ceilf, ceill, floor, floorf floorl - ceiling and floor
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h>
double
ceil(double x);
float
ceilf(float x);
long double
ceill(long double x);
double
floor(double x);
float
floorf(float x);
long double
floorl(long double x);
DESCRIPTION
The ceil(), ceilf(), and ceill() functions return the smallest integral
value greater than or equal to x. Conversely, the floor(), floorf(), and
floorl() functions 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").
FreeBSD 14.1-RELEASE-p8 November 12, 2013 FreeBSD 14.1-RELEASE-p8