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Red Hat Documentation: man pages: man3: Linux Programmer's Manual (3)

Manpage of FREXP

FREXP

Section: Linux Programmer's Manual (3)
Updated: June 6, 2025
Index  

NAME

frexp - convert floating-point number to fractional and integral components  

SYNOPSIS

#include <math.h>
double frexp(double x, int *exp);
 

DESCRIPTION

The frexp() function is used to split the number x into a normalized fraction and an exponent which is stored in exp.  

RETURN VALUE

The frexp() function returns the normalized fraction. If the argument x is not zero, the normalized fraction is x times a power of two, and is always in the range 1/2 (inclusive) to 1 (exclusive). If x is zero, then the normalized fraction is zero and zero is stored in exp.  

CONFORMING TO

SVID 3, POSIX, BSD 4.3, ISO 9899  

SEE ALSO


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
CONFORMING TO
SEE ALSO

This document was created by using the manual pages.
Time: 11:58:03 GMT, March 24, 2025

 

 


 
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