working with decimal numbers in php

Posted by The Worst Shady on Stack Overflow See other posts from Stack Overflow or by The Worst Shady
Published on 2010-05-17T11:26:31Z Indexed on 2010/05/17 11:30 UTC
Read the original article Hit count: 303

Filed under:

decimal

|

float

|

php

I want to somehow round the numbers for a rating system in php like this:

4.6667 = 4.6

5.0001 = 5.1

is there any way to do that? (BTW i read the datas from a database)

© Stack Overflow or respective owner

Related posts about decimal

Convert string value into decimal with proper decimal points

as seen on Stack Overflow - Search for 'Stack Overflow'
i have value stored in string format & i want to convert into decimal. ex: i have 11.10 stored in string format when i try to convert into decimal it give me 11.1 instead of 11.10 . I tried it by following way string getnumber="11.10"; decimal decinum=Convert.ToDecimal(getnumber); i tried… >>> More
Trouble with a query

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi there, I'm having trouble with a query in SQL Server 2008 on some forex trading data. I have a trades table and an orders table. A trade needs to comprise of 2 or more orders. DDL schema and sample data below. What I want to do is write a query that shows the profit/loss in pips for each trade… >>> More
Rounding down DECIMAL(14,3) to thrid decimal digit in SQL 2008

as seen on Stack Overflow - Search for 'Stack Overflow'
I have to round down all incoming data with type DECIMAL(14,3) which has 3 decimal digit to the last one. I.e.: 100; 100.0; 100.00; 100.000 -> 100 100.2; 100.02; 100.20; 100.22 -> 100.xx but 100.221 -> 100.22 100.229 -> 100.22 Using which SQL operator can I check that residue of… >>> More
Double.TryParse() input decimal separator different than system decimal separator

as seen on Stack Overflow - Search for 'Stack Overflow'
I have a source XML that uses a dot (".") as a decimal separator and I am parsing this on a system that uses a comma (",") as a decimal separator. As a result, value of 0.7 gets parsed with Double.TryParse or Double.Parse as 7000000. What are my options to parse correctly? One of them is to replace… >>> More
Rounding down DECIMAL(14,3) to third decimal digit in SQL 2008

as seen on Stack Overflow - Search for 'Stack Overflow'
I have to round down all incoming data with type DECIMAL(14,3) which has 3 decimal digit to the last one. I.e.: 100; 100.0; 100.00; 100.000 -> 100 100.2; 100.02; 100.20; 100.22 -> 100.xx but 100.221 -> 100.22 100.229 -> 100.22 Using which SQL operator can I check that residue of… >>> More

Related posts about float

Simplex Noise Help

as seen on Game Development - Search for 'Game Development'
Im Making A Minecraft Like Gae In XNA C# And I Need To Generate Land With Caves This Is The Code For Simplex I Have /// <summary> /// 1D simplex noise /// </summary> /// <param name="x"></param> /// <returns></returns> public static float… >>> More
IE7 div boxes with clear: right and float: left - float to top

as seen on Stack Overflow - Search for 'Stack Overflow'
Hey, lately i've been slamming my head against my desk to solve this Problem. Didn't work out. I know it can be solved by editing the contents with some clearing elements. Sadly there is some javascript sorting beeing used and the Sourcode is being generated by CMS Components so that would be my… >>> More
Help with Collision Resolution?

as seen on Game Development - Search for 'Game Development'
I'm trying to learn about physics by trying to make a simplified GTA 2 clone. My only problem is collision resolution. Everything else works great. I have a rigid body class and from there cars and a wheel class: class RigidBody extends Entity { //linear private Vector2D velocity = new Vector2D(); … >>> More
Point inside Oriented Bounding Box?

as seen on Game Development - Search for 'Game Development'
I have an OBB2D class based on SAT. This is my point in OBB method: public boolean pointInside(float x, float y) { float newy = (float) (Math.sin(angle) * (y - center.y) + Math.cos(angle) * (x - center.x)); float newx = (float) (Math.cos(angle) * (x - center.x) - Math.sin(angle)… >>> More
Solving a difficult incomplete type error

as seen on Stack Overflow - Search for 'Stack Overflow'
I get an incomplete type error when trying to compile my code. I know that it is related to includes, but my project is large and it uses several templates so I can't find which type is actually incomplete. The error message doesn't help either: Compiling: ../../../addons/ofxTableGestures/src/Graphics/objects/CursorFeedback… >>> More