ch02.017_best

来自「Perl Best Practices the source code」· 017_BEST 代码 · 共 23 行

##############################################################################
##   Code fragment (Recommended) from Chapter 2 of "Perl Best Practices"    ##
##     Copyright (c) O'Reilly & Associates, 2005. All Rights Reserved.      ##
##  See: http://www.oreilly.com/pub/a/oreilly/ask_tim/2001/codepolicy.html  ##
##############################################################################


# Standard modules...
use warnings;
use IO::Prompt;
use Carp;
use English qw( -no_match_vars );
use Data::Alias;
use Readonly;


my $velocity 
    = $initial_velocity + ($acceleration * ($time + $delta_time));
 
my $future_price 
    = $current_price * exp ($rate - $dividend_rate_on_index) * ($delivery - $now);