floor(3) - NetBSD Manual Pages

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CEIL(3)                 NetBSD 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''). NetBSD 9.99 November 12, 2013 NetBSD 9.99
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