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Manual Pages  — FLOOR

NAME

floor, floorf, floorl – largest integral value less than or equal to x

CONTENTS

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.

SEE ALSO

abs(3), ceil(3), fabs(3), ieee(3), math(3), rint(3), round(3), trunc(3)

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").

FLOOR (3) January 13, 2005

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