opendarwin man page for logbf

Query: logbf

OS: opendarwin

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

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

NAME
logb -- return exponent as a floating-point number
SYNOPSIS
#include <math.h> double logb(double x); float logbf(float x);
DESCRIPTION
The logb() and logbf() functions return the exponent of x, represented as a floating-point number.
SPECIAL VALUES
logb(+-0) returns -infinity and raises the "divide-by-zero" floating-point exception. logb(+-infinity) returns +infinity.
SEE ALSO
ilogb(3)
STANDARDS
The logb() and logbf() functions conform to ISO/IEC 9899:1999(E).
BSD
July 24, 2003 BSD
Related Man Pages
logb(3) - linux
logbl(3) - linux
logbl(3) - debian
logbf(3) - suse
ilogbl(3) - freebsd
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