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FLOOR(3)
FLOOR(3) FreeBSD Library Functions Manual FLOOR(3)

NAME

floor, floorf, floorllargest integral value less than or equal to x

LIBRARY

Math Library (libm, -lm)

SYNOPSIS

#include < math.h>

double
floor( double x);

float
floorf( float x);

long double
floorl( long double x);

DESCRIPTION

The floor(), floorf() and floorl() functions return the largest integral value less than or equal to x, expressed as a floating-point number.

STANDARDS

The floor() function conforms to ISO/IEC 9899:1990 (“ISO C90”). The floorf() and floorl() functions conform to ISO/IEC 9899:1999 (“ISO C99”).
January 13, 2005 FreeBSD