commit | f5ba494b10ea41cf4dad439ce882457e52d84ceb | [log] [tgz] |
---|---|---|
author | Alex Herbert <aherbert@apache.org> | Thu Dec 19 22:56:10 2019 +0000 |
committer | Alex Herbert <aherbert@apache.org> | Thu Dec 19 22:56:10 2019 +0000 |
tree | a93278b8647e738f6a781a6cd36ea1086a9d6397 | |
parent | dfcc1188e1457e6f385996e4ebe8dafb94950e09 [diff] |
Add atanh assumption on x close to 1.
diff --git a/commons-numbers-complex/src/test/java/org/apache/commons/numbers/complex/ComplexTest.java b/commons-numbers-complex/src/test/java/org/apache/commons/numbers/complex/ComplexTest.java index b14166b..9d89490 100644 --- a/commons-numbers-complex/src/test/java/org/apache/commons/numbers/complex/ComplexTest.java +++ b/commons-numbers-complex/src/test/java/org/apache/commons/numbers/complex/ComplexTest.java
@@ -2041,5 +2041,8 @@ Assertions.assertEquals(result, Math.log1p(result)); Assertions.assertEquals(result, result - result * result / 2, "Expected log1p Taylor series to be redundant"); + // Can we assume if x != 1 then (x-1) is valid for multiplications. + Assertions.assertNotEquals(0, 1 - Math.nextUp(1)); + Assertions.assertNotEquals(0, 1 - Math.nextDown(1)); } }