1 .\" Copyright 2002 Walter Harms (walter.harms@informatik.uni-oldenburg.de)
2 .\" Distributed under GPL
3 .\" heavily based on glibc infopages, copyright Free Software Foundation
5 .\" Japanese Version Copyright (c) 2005 Yuichi SATO
6 .\" all rights reserved.
7 .\" Translated Tue Feb 1 07:40:41 JST 2005
8 .\" by Yuichi SATO <ysato444@yahoo.co.jp>
10 .TH SIGNIFICAND 3 2009-02-04 "GNU" "Linux Programmer's Manual"
13 .\"O significand, significandf, significandl \-
14 .\"O get mantissa of floating-point number
15 significand, significandf, significandl \- ÉâÆ°¾®¿ôÅÀ¿ô¤Î²¾¿ô (mantissa) ¤ò¼èÆÀ¤¹¤ë
20 .BI "double significand(double " x );
22 .BI "float significandf(float " x );
24 .BI "long double significandl(long double " x );
26 .\"O Link with \fI\-lm\fP.
27 \fI\-lm\fP ¤Ç¥ê¥ó¥¯¤¹¤ë¡£
30 .\"O Feature Test Macro Requirements for glibc (see
31 .\"O .BR feature_test_macros (7)):
32 glibc ¸þ¤±¤Îµ¡Ç½¸¡ºº¥Þ¥¯¥í¤ÎÍ×·ï
33 .RB ( feature_test_macros (7)
41 _SVID_SOURCE || _BSD_SOURCE
46 .\"O .BR significand ()
47 .\"O function returns the mantissa of
49 .\"O scaled to the range [1,2).
53 ¤Î²¾¿ô¤ò [1,2) ¤ÎÈϰϤˤ·¤ÆÊÖ¤¹¡£
54 .\"O It is equivalent to
55 ¤³¤ì¤Ï¡¢°Ê²¼¤ÈÅù¤·¤¤¡£
58 scalb(x, (double) \-ilogb(x))
61 .\"O This function exists mainly for use in certain standardized tests
62 .\"O for IEEE 754 conformance.
63 ¤³¤Î´Ø¿ô¤Ï¼ç¤Ë IEEE 754 ¤Ø¤Î½àµò¤òÄ´¤Ù¤ëɸ½à¥Æ¥¹¥È¤Ç»È¤ï¤ì¤ë¡£
64 .\"O .SH CONFORMING TO
66 .\"O These functions are nonstandard; the
68 .\"O version is available on a number of other systems.
69 ¤³¤ì¤é¤Î´Ø¿ô¤ÏÈóɸ½à¤Ç¤¢¤ë¡£¡£
71 ÈǤϾ¤Î¿¤¯¤Î¥·¥¹¥Æ¥à¤Ç¤âÍøÍѲÄǽ¤Ç¤¢¤ë¡£
74 .\"O .\" This function came from BSD.
75 .\" ¤³¤Î´Ø¿ô¤Ï BSD ¤ËͳÍ褹¤ë¡£