LOGB(3) BSD Library Functions Manual LOGB(3)

NAME
     llooggbb - return exponent as a floating-point number

SYNOPSIS
     ##iinncclluuddee <>

     double
     llooggbb(double x);

     long double
     llooggbbll(long double x);

     float
     llooggbbff(float x);

DESCRIPTION
     The llooggbb() functions return the exponent of x, represented as a floating-
     point number.

SSPPEECCIIAALL VVAALLUUEESS
     llooggbb(+-0) returns -infinity and raises the "divide-by-zero" floating-
     point exception.

     llooggbb(+-infinity) returns +infinity.

SEE ALSO
     ilogb(3)

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

BSD                              July 24, 2003                             BSD