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Manual Section... (3) - page: significandl

 

NAME

significand, significandf, significandl - get mantissa of floating-point number  

SYNOPSIS

#include <math.h>

double significand(double x);
float significandf(float x);
long double significandl(long double x);

Link with -lm.

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

significand(), significandf(), significandl(): _SVID_SOURCE || _BSD_SOURCE  

DESCRIPTION

The significand() function returns the mantissa of x scaled to the range [1,2). It is equivalent to

scalb(x, (double) -ilogb(x))

This function exists mainly for use in certain standardized tests for IEEE 754 conformance.  

CONFORMING TO

These functions are nonstandard; the double version is available on a number of other systems.  

SEE ALSO

ilogb(3), scalb(3)  

COLOPHON

This page is part of release 3.24 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
CONFORMING TO
SEE ALSO
COLOPHON

This document was created by man2html, using the manual pages.
Time: 15:26:49 GMT, June 11, 2010

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