Name
modf, modff, modfl — extract signed integral and fractional values from floating-point number
Synopsis
#include <math.h>
double modf( |
double | x, |
| double * | iptr); |
float
modff( |
float | x, |
| float * | iptr); |
long
double modfl( |
long double | x, |
| long double * | iptr); |
![[Note]](../stylesheet/note.png) |
Note |
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Link with |
DESCRIPTION
The modf() function breaks
the argument x into
an integral part and a fractional part, each of which has the
same sign as x. The
integral part is stored in iptr.
COLOPHON
This page is part of release 2.79 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/.
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Copyright 1993 David Metcalfe (davidprism.demon.co.uk) Permission is granted to make and distribute verbatim copies of this manual provided the copyright notice and this permission notice are preserved on all copies. Permission is granted to copy and distribute modified versions of this manual under the conditions for verbatim copying, provided that the entire resulting derived work is distributed under the terms of a permission notice identical to this one. Since the Linux kernel and libraries are constantly changing, this manual page may be incorrect or out-of-date. The author(s) assume no responsibility for errors or omissions, or for damages resulting from the use of the information contained herein. The author(s) may not have taken the same level of care in the production of this manual, which is licensed free of charge, as they might when working professionally. Formatted or processed versions of this manual, if unaccompanied by the source, must acknowledge the copyright and authors of this work. References consulted: Linux libc source code Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) 386BSD man pages Modified 1993-07-24 by Rik Faith (faithcs.unc.edu) Modified 2002-07-27 by Walter Harms (walter.harmsinformatik.uni-oldenburg.de) |