round Rounds to the nearest integer. : float « Number « Ruby

1.	ActiveRecord
2.	Array
3.	CGI
4.	Class
5.	Collections
6.	Database
7.	Date
8.	Design Patterns
9.	Development
10.	File Directory
11.	GUI
12.	Hash
13.	Language Basics
14.	Method
15.	Network
16.	Number
17.	Rails
18.	Range
19.	Reflection
20.	Statement
21.	String
22.	Threads
23.	Time
24.	Tk
25.	Unit Test
26.	Windows Platform
27.	XML

Ruby » Number » float

round Rounds to the nearest integer.





def round

    case

        when self > 0.0 then (self+0.5).floor

        when self < 0.0 then return (self?.5).ceil

        else 0

    end

end



1.5.round  

(3.5).round

Related examples in the same category

1.	Floating Point Numbers
2.	Check whether a number is finite or infinite with the finite? and infinite?
3.	Check whether a floating-point value is a number at all with Float's nan?
4.	ArgumentError: invalid value for Float(): "99.44% pure"
5.	Float value step
6.	Float predicates
7.	Class constants
8.	Rounding methods
9.	Absolute value and sign
10.	Constants in Float
11.	Round a float

java2s.com | Contact Us | Privacy Policy

All other trademarks are property of their respective owners.