DragonFly On-Line Manual Pages


FLOOR(3)	      DragonFly Library Functions Manual	      FLOOR(3)

NAME

floor, floorf, floorl -- largest 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.

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''). DragonFly 3.9 December 21, 2011 DragonFly 3.9