1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
3 .\" %%%LICENSE_START(GPL_NOVERSION_ONELINE)
4 .\" Distributed under GPL
7 .\" heavily based on glibc infopages, copyright Free Software Foundation
9 .TH SIGNIFICAND 3 2009-02-04 "GNU" "Linux Programmer's Manual"
11 significand, significandf, significandl \-
12 get mantissa of floating-point number
16 .BI "double significand(double " x );
18 .BI "float significandf(float " x );
20 .BI "long double significandl(long double " x );
25 Feature Test Macro Requirements for glibc (see
26 .BR feature_test_macros (7)):
34 _SVID_SOURCE || _BSD_SOURCE
40 function returns the mantissa of
42 scaled to the range [1,2).
46 scalb(x, (double) \-ilogb(x))
49 This function exists mainly for use in certain standardized tests
50 for IEEE 754 conformance.
52 These functions are nonstandard; the
54 version is available on a number of other systems.
56 .\" This function came from BSD.
61 This page is part of release 3.68 of the Linux
64 A description of the project,
65 information about reporting bugs,
66 and the latest version of this page,
68 \%http://www.kernel.org/doc/man\-pages/.