mojave man page for frexpf

Query: frexpf

OS: mojave

Section: 3

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

FREXP(3)						   BSD Library Functions Manual 						  FREXP(3)

NAME
frexp -- break floating-point number into normalized fraction and power of 2
SYNOPSIS
#include <math.h> double frexp(double value, int *exp); long double frexpl(long double value, int *exp); float frexpf(float value, int *exp);
DESCRIPTION
The frexp() functions break the floating-point number value into a normalized fraction and an integral power of 2. They store the integer in the int object pointed to by exp. The functions return a number x such that x has a magnitude in the interval [1/2, 1) or 0, and value = x*(2**exp).
SPECIAL VALUES
frexp(+-0, exp) returns +-0, and stores 0 in the object pointed to by exp. frexp(+-infinity, exp) returns +-infinity, and stores an unspecified value in the object pointed to by exp. frexp(Nan, exp) returns a Nan, and stores an unspecified value in the object pointed to by exp.
SEE ALSO
math(3), scalbn
STANDARDS
The frexp() functions conform to ISO/IEC 9899:2011.
BSD
December 11, 2006 BSD
Related Man Pages
frexp(3) - debian
frexpl(3) - debian
frexpl(3) - centos
frexpl(3m) - sunos
frexpl(3m) - opensolaris
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