Unnecessary null checks in equals methods
-----------------------------------------
Key: MATH-336
URL: https://issues.apache.org/jira/browse/MATH-336
Project: Commons Math
Issue Type: Improvement
Reporter: Sebb
Priority: Minor
Many of the equals() methods have code like the following:
{code}
if (obj == null) {
return false;
}
if (!(obj instanceof OpenMapRealVector)) {
return false;
}
{code}
The null check is redundant, as null would cause the instanceof check to fail
anyway, so the null check could just be removed.
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