darkma773r commented on a change in pull request #92:
URL: https://github.com/apache/commons-numbers/pull/92#discussion_r646473629
##########
File path:
commons-numbers-arrays/src/test/java/org/apache/commons/numbers/arrays/ExtendedPrecisionTest.java
##########
@@ -102,6 +102,23 @@ void testSubNormalSplit() {
final double lo2 = a - hi2;
Assertions.assertEquals(a, hi2);
Assertions.assertEquals(0, lo2);
+
+
Assertions.assertTrue(Math.abs(hi2) > Math.abs(lo2));
}
+
+ @Test
+ void testSquareLowUnscaled() {
+ assertSquareLowUnscaled(0.0, 1.0);
+ assertSquareLowUnscaled(0.0, -1.0);
+ assertSquareLowUnscaled(-1.4293872661474477E-16, Math.PI);
Review comment:
I found why `BigDecimal` wasn't working for me: I was using
`BigDecimal.valueOf()` to create instances instead of `new BigDecimal()`.
Switching to the constructor to use the exact double representation fixed the
issue. I'm switching to the `fma` version, however since that is simpler.
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