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Linux Programmer's Manual (3)
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 3.66 of the Linux
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information about reporting bugs,
and the latest version of this page,
can be found at
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Time: 21:43:02 GMT, July 12, 2014