[commons-math] branch master updated: MATH-1617: Ensure that "hashCode" is consistent with "equals".

[erans]

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erans pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-math.git


The following commit(s) were added to refs/heads/master by this push:
     new 30a2593  MATH-1617: Ensure that "hashCode" is consistent with "equals".
30a2593 is described below

commit 30a2593c2c9808d7ad118d8e120e8ce807df746a
Author: Ng Tsz Sum <tszsumn...@gmail.com>
AuthorDate: Mon Jul 19 22:12:45 2021 +0800

    MATH-1617: Ensure that "hashCode" is consistent with "equals".
---
 .../src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java   | 2 +-
 .../test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java   | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git 
a/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java
 
b/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java
index 744fe1b..6450e56 100644
--- 
a/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java
+++ 
b/commons-math-legacy/src/main/java/org/apache/commons/math4/legacy/linear/BigReal.java
@@ -323,7 +323,7 @@ public class BigReal implements FieldElement<BigReal>, 
Comparable<BigReal>, Seri
     /** {@inheritDoc} */
     @Override
     public int hashCode() {
-        return d.hashCode();
+        return Double.hashCode(d.doubleValue());
     }
 
     /** {@inheritDoc} */
diff --git 
a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java
 
b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java
index 9c25404..f02741b 100644
--- 
a/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java
+++ 
b/commons-math-legacy/src/test/java/org/apache/commons/math4/legacy/linear/BigRealTest.java
@@ -178,6 +178,7 @@ public class BigRealTest {
         BigReal oneWithScaleOne = new BigReal(new BigDecimal("1.0"));
         BigReal oneWithScaleTwo = new BigReal(new BigDecimal("1.00"));
         Assert.assertEquals(oneWithScaleOne, oneWithScaleTwo);
+        Assert.assertEquals(oneWithScaleOne.hashCode(), 
oneWithScaleTwo.hashCode());
     }
 
     @Test