significand, significandf, significandl — get mantissa of floating-point number
#include <math.h>
double
significand( |
double x); |
float
significandf( |
float x); |
long double
significandl( |
long double x); |
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These functions return the mantissa of x scaled to the range [1,2).
They are equivalent to
scalb(x, (double) −ilogb(x))
This function exists mainly for use in certain standardized tests for IEEE 754 conformance.
For an explanation of the terms used in this section, see attributes(7).
| Interface | Attribute | Value |
significand(),<br></br>significandf(),<br></br>
significandl() |
Thread safety | MT-Safe |
These functions are nonstandard; the double version is available on a number of other systems.
This page is part of release 4.00 of the Linux man-pages project. A
description of the project, information about reporting bugs,
and the latest version of this page, can be found at
http://www.kernel.org/doc/man−pages/.
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Copyright 2002 Walter Harms (walter.harmsinformatik.uni-oldenburg.de) %%%LICENSE_START(GPL_NOVERSION_ONELINE) Distributed under GPL %%%LICENSE_END heavily based on glibc infopages, copyright Free Software Foundation |