ILOGB(3) BSD Library Functions Manual ILOGB(3) NAME ilogb — return exponent as an integer value SYNOPSIS #include <math.h> int ilogb(double x); int ilogbf(float x); DESCRIPTION The ilogb() and ilogbf() functions return the exponent of x as a signed integer value. SPECIAL VALUES ilogb(�0) returns - INT_MAX. ilogb(�infinity) returns INT_MAX. ilogb(x) returns INT_MAX if x is a NaN. A range error may occur if x is 0. SEE ALSO math(3) STANDARDS The ilogb() and ilogbf() functions conform to ISO/IEC 9899:1999(E). BSD July 22, 2003 BSD[top]
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