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Full Discussion: Floating point error in C
Top Forums Programming Floating point error in C Post 302100685 by Hara on Thursday 21st of December 2006 11:50:05 AM
Old 12-21-2006
Floating point error in C

Hi,
see the simple code below

double i;
i=8080.9940;
printf(" val :%.30f\n",i);

output i m getting is
val :8080.993999999999700000000000000
when i m expecting
val :8080.9940

what happens?how can i avoid it?
thanks...
 

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X11Font(3)						User Contributed Perl Documentation						X11Font(3)

NAME
Tk::Font - a class for finding X Fonts SYNOPSIS
use Tk::X11Font; $font = $widget->X11Font(foundry => 'adobe', family => 'times', point => 120 ); $font = $widget->X11Font('*-courier-medium-r-normal-*-*'); DESCRIPTION
This module can be use to interrogate the X server what fonts are avaliable. METHODS
Foundry( [ $val ] ) Family( [ $val ] ) Weight( [ $val ] ) Slant( [ $val ] ) Swidth( [ $val ] ) Adstyle( [ $val ] ) Pixel( [ $val ] ) Point( [ $val ] ) Xres( [ $val ] ) Yres( [ $val ] ) Space( [ $val ] ) Avgwidth( [ $val ] ) Registry( [ $val ] ) Encoding( [ $val ] ) Set the given field in the font name to $val if given and return the current or previous value Name( [ $max ] ) In a list context it returns a list of all font names that match the fields given. It will return a maximum of $max names, or 128 if $max is not given. In a scalar contex it returns the first matching name or undef Clone( [ key => value, [ ...]] ) Create a duplicate of the curent font object and modify the given fields AUTHOR
Graham Barr <Graham.Barr@tiuk.ti.com> HISTORY
11-Jan-96 Initial version 08-Nov-98 Renamed for Tk800.012 COPYRIGHT
Copyright (c) 1995-1996 Graham Barr. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.12.1 2007-05-05 X11Font(3)
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