FLOOR(3) BSD Library Functions Manual FLOOR(3)

NAME
     fflloooorr - round to largest integral value not greater than x

SYNOPSIS
     ##iinncclluuddee <>

     double
     fflloooorr(double x);

     long double
     fflloooorrll(long double x);

     float
     fflloooorrff(float x);

DESCRIPTION
     The fflloooorr() functions return the largest integral value less than or
     equal to x.

SSPPEECCIIAALL VVAALLUUEESS
     fflloooorr(+-0) returns +-0.

     fflloooorr(+-infinity) returns +-infinity.

SEE ALSO
     abs(3), ceil(3), fabs(3), rint(3), math(3)

STANDARDS     The fflloooorr() functions conform to ISO/IEC 9899:1999(E).

BSD                            November 20, 2002                           BSD