MirOS Manual: ldexp(3)

LDEXP(3)                   BSD Programmer's Manual                    LDEXP(3)

NAME

     ldexp - multiply floating-point number by integral power of 2

SYNOPSIS

     #include <math.h>

     double
     ldexp(double x, int exp);

DESCRIPTION

     The ldexp() function multiplies a floating-point number by an integral
     power of 2.

RETURN VALUES

     The ldexp() function returns the value of x times 2 raised to the power
     exp.

     If the resultant value would cause an overflow, the global variable errno
     is set to ERANGE and the value HUGE is returned.

SEE ALSO

     frexp(3), math(3), modf(3)

STANDARDS

     The ldexp() function conforms to ANSI X3.159-1989 ("ANSI C").

MirOS BSD #10-current           April 19, 1994                               1

Generated on 2012-02-20 02:47:02 by $MirOS: src/scripts/roff2htm,v 1.70 2011/12/03 18:21:12 tg Exp $

These manual pages and other documentation are copyrighted by their respective writers; their source is available at our CVSweb, AnonCVS, and other mirrors. The rest is Copyright © 2002‒2011 The MirOS Project, Germany.
This product includes material provided by Thorsten Glaser.

This manual page’s HTML representation is supposed to be valid XHTML/1.1; if not, please send a bug report – diffs preferred.