|SIGNIFICAND(3)||Linux Programmer's Manual||SIGNIFICAND(3)|
NAMEsignificand, significandf, significandl - get mantissa of floating-point number
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
_SVID_SOURCE || _BSD_SOURCE
DESCRIPTIONThe 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 TOThese functions are nonstandard; the double version is available on a number of other systems.
SEE ALSOilogb(3), scalb(3)
COLOPHONThis page is part of release 3.53 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/.