Section: Linux Programmer's Manual (3)
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significand, significandf, significandl -
get mantissa of floating-point number
double significand(double x);
float significandf(float x);
long double significandl(long double x);
Link with -lm.
Feature Test Macro Requirements for glibc (see
_SVID_SOURCE || _BSD_SOURCE
function returns the mantissa of
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.
These functions are nonstandard; the
version is available on a number of other systems.
This page is part of release 3.54 of the Linux
A description of the project,
and information about reporting bugs,
can be found at
- CONFORMING TO
- SEE ALSO
This document was created by
using the manual pages.
Time: 07:10:20 GMT, January 16, 2018