Scroll to navigation

Math::Fibonacci(3pm) User Contributed Perl Documentation Math::Fibonacci(3pm)
 

NAME

Math::Fibonacci - Fibonacci numbers.

VERSION

    $Revision: 1.5 $

SYNOPSIS

    use Math::Fibonacci qw(term series decompose);

    my $term = term ( 42 );
    my @series = series ( 42 );
    my @sum = decompose ( 65535 );

DESCRIPTION

This module provides a few functions related to Fibonacci numbers.

EXPORTS ON REQUEST

term(), series() decompose(), isfibonacci()

FUNCTIONS

term($n)
Returns the $n-th term of the Fibonacci sequence. The term is computed using the fast algorithm: "F(n) ~ g^n/sqrt(5)", where g is the golden ratio and ~ means "take the nearest integer".
series($n)
Computes and returns the first $n Fibonacci numbers.
decompose($int)
Decomposes $int into the sum of Fibonacci numbers. Returns the list of Fibonacci numbers.
isfibonacci($int)
Returns the sequence number of $int if it is a Fibonacci number or a non-true value if it is not.

AUTHOR

Vipul Ved Prakash, <mail@vipul.net>

LICENSE

Copyright (c) 1999-2001, Vipul Ved Prakash.
This code is free software; you can redistribute it and/or modify it under the ARTISTIC license (a copy is included in the distribution) or under the same terms as Perl itself.
2008-03-09 perl v5.8.8