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MATH-843: integrated changes suggested by Dominik Gruntz. 

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1374395 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Sebastien Brisard 2012-08-17 18:45:49 +00:00
parent 43c489d7cb
commit 67dcc70533
1 changed files with 9 additions and 2 deletions
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11
src/main/java/org/apache/commons/math3/util/Precision.java
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@ -30,10 +30,17 @@ import org.apache.commons.math3.exception.util.LocalizedFormats;
*/ */
public class Precision { public class Precision {
/** /**
* <p>
* Largest double-precision floating-point number such that * Largest double-precision floating-point number such that
* {@code 1 + EPSILON} is numerically equal to 1. * {@code 1 + EPSILON} is numerically equal to 1. This value is an upper
* <br/> * bound on the relative error due to rounding real numbers to double
* precision floating-point numbers.
* </p>
* <p>
* In IEEE 754 arithmetic, this is 2<sup>-53</sup>. * In IEEE 754 arithmetic, this is 2<sup>-53</sup>.
* </p>
*
* @see <a href="http://en.wikipedia.org/wiki/Machine_epsilon">Machine epsilon</a>
*/ */
public static final double EPSILON; public static final double EPSILON;