error « float « Java Data Type Q&A

1. Floating Point errors in Colt Java matrix libraries    stackoverflow.com

How do I avoid floating point errors in financial calculations performed with Colt matrix libraries?

2. Can I force java to throw an error when dividing by zero with floating point numbers?    stackoverflow.com

I wrote a simulator that has some collision detection code and does a good bit of math on each object when it detects collisions. If these two objects are at the ...

3. Strange Java error- float getting set to Infinity    stackoverflow.com

I'm new to Java, and I'm using Processing to make some data visualizations. I'm getting this strange error in my code though, was wondering if anyone could help me out. It ...

4. Precision error with floats in Java    stackoverflow.com

I'm wondering what the best way to fix precision errors is in Java. As you can see in the following example, there are precision errors:

class FloatTest
{
  public static void main(String[] ...

5. float error    coderanch.com

I'm new to Java, and have been working my way through _Java in 21 days_, when I wrote this simple program to help myself understand casting better: public class CastEx { public static void main(String[] arguments) { float k = 4.57; k = (int)k; System.out.println(k); } } I got the following error message: possible loss of precision found: double required: float, ...

6. Error : Square root a Float    coderanch.com

7. incompatible types: found double required float error;    coderanch.com

//The alignment of the features is assumed to be AVG, VAR, CSD, GABOR I'm hoping this is the right place for posting my question. This is the error I'm getting in my code... ani@ani-desktop:~/Desktop/executedfiles$ javac retrievalGabor.java retrievalGabor.java:54: incompatible types found : double[] required: float[] query= new double[] {0.1544465f ,0.54298925f ,0.73340774f ,0.017640665f ,0.085013896f ,0.095653236f , 0.0 ,0.4047619f ,0.36394557f ,0.21768707f ,0.09863946f ,0.088435374f ,0.08163265f ...

8. Compile error when I try to use float, works if I change it to double..    coderanch.com

Here's the first source code: package L5; import javax.swing.JOptionPane; public class Paket { int langd; int bredd; int djup; double vikt; // I want to set "vikt" as float, but have to set as double, or else I get a compilation error, why? public void setLangd(int inLangd) { this.langd = inLangd; } public void setBredd(int inBredd) { this.bredd = inBredd; } ...

9. Error in float value    java-forums.org

Hi, I am a newbie in JAVA. When I wrote the following code in java it gives me error: public class FloatTest { public static void main(String[] args) { float f=3.14; System.out.println(f); } } It gives me an error saying possible lose of precision. Aren't float value capable of storing values with decimal point? Thank you.

10. floating point errors    java-forums.org

That document is quite lengthy if it's the one im assuming it is. However; it's worth at least looking through to pick up some knowledge about why floating point numbers aren't exact. There are also two posts, one here, one at javaprogramming.com which have people giving a short breakdown of some stuff the link explains.

11. float and double statment to assign both with out error    forums.oracle.com

12. Error in float value    forums.oracle.com

Hi, I am a newbie in JAVA. When I wrote the following code in java it gives me error: public class FloatTest { public static void main(String[] args) { float f=3.14; System.out.println(f); } } It gives me an error saying possible lose of precision. Aren't float value capable of storing values with decimal point? Thank you.

13. Problem with Float - round down error    forums.oracle.com

I have to save in database (MySql) amount which is passed by user. For instance user writes 99999999999. But Float.parseFloat(request.getParameter("amoUnit")) returns value 9.9999998E10 . When I save this value in database I receive 99999998000.00. I want to have in database exactly what the user has written. Should I use differen data type? Thanks in advance.

14. JDK 1.5 data type Float error    forums.oracle.com

Microsoft Windows XP [Version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. C:\>javac Test.java Test.java:5: possible loss of precision found : double required: float float x = 2.0; ^ Test.java:6: possible loss of precision found : double required: float float y = 4.0; ^ Test.java:8: possible loss of precision found : double required: float float sum = 0.0; ^ 3 errors

15. Floating point rounding error    forums.oracle.com

You have given the error as epsilon, so you can't expect `fraction - 1.0/i >= 0` to give an exact answer. Given your error is +/- epsilon, this expression should be fraction - 1.0/i >= epsilon || fraction - 1.0/i >= -epsilon or just fraction - 1.0/i >= -epsilon If you change this you get 1/4 + 1/28 as the answer, ...