Ramiro Pereira de Magalhães created MATH-889:
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Summary: Add a method in Interval that verifies if a double is
inside the Interval
Key: MATH-889
URL: https://issues.apache.org/jira/browse/MATH-889
Project: Commons Math
Issue Type: Improvement
Affects Versions: 3.0
Reporter: Ramiro Pereira de Magalhães
Priority: Minor
It would be convenient if class
org.apache.commons.math3.geometry.euclidean.oned.Interval had a method such as
the one below.
{code}
Here is the method code that may be added to the class.
/** Verifies if x is inside this Interval.
* @return true if x is a value between this Interval lower and upper
* bounds, false otherwise
*/
public double contains(double x) {
return upper >= x && lower <= x;
}
{code}
Notice that I'm assuming that an Interval includes its endpoints which may not
be true in certain applications. This may imply the need to improve the
Interval class (by adding methods or internal state) that describe the
inclusion or exclusion of endpoints.
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