Content-type: text/html Man page of floor

floor

Section: Mathematical Library Functions (3M)
Updated: 12 Jul 2006
Index Return to Main Contents
 

NAME

floor, floorf, floorl - floor function  

SYNOPSIS

c99 [ flag... ] file... -lm [ library... ]
#include <math.h>

double floor(double x);

float floorf(float x);

long double floorl(long double x);  

DESCRIPTION

These functions compute the largest integral value not greater than x.  

RETURN VALUES

Upon successful completion, these functions return the largest integral value not greater than x, expressed as a double, float, or long double, as appropriate for the return type of the function.

If x is NaN, a NaN is returned.

If x is ±Inf or ±0, x is returned.  

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPEATTRIBUTE VALUE
Interface StabilityStandard
MT-LevelMT-Safe

 

SEE ALSO

ceil(3M), feclearexcept(3M), fetestexcept(3M), isnan(3M), math.h(3HEAD), attributes(5), standards(5)


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUES
ATTRIBUTES
SEE ALSO

This document was created by man2html, using the manual pages.
Time: 02:39:32 GMT, October 02, 2010