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floor, floorf, ceil, ceilf
[floor and ceiling]

SYNOPSIS

#include <math.h>
double floor(double x);
float floorf(float x);
double ceil(double x);
float ceilf(float x);

DESCRIPTION

floor and floorf find x the nearest integer less than or equal to x. ceil and ceilf find x , the nearest integer greater than or equal to x.

RETURNS

floor and ceil return the integer result as a double. floorf and ceilf return the integer result as a float.

COMPLIANCE

floor and ceil are ANSI. floorf and ceilf are extensions.