gf2121 commented on code in PR #14419:
URL: https://github.com/apache/lucene/pull/14419#discussion_r2018496277


##########
lucene/core/src/test/org/apache/lucene/internal/vectorization/TestVectorUtilSupport.java:
##########
@@ -210,9 +210,13 @@ public void testMinMaxScalarQuantize() {
   }
 
   private void 
assertFloatReturningProviders(ToDoubleFunction<VectorUtilSupport> func) {
-    assertThat(
-        func.applyAsDouble(PANAMA_PROVIDER.getVectorUtilSupport()),
-        closeTo(func.applyAsDouble(LUCENE_PROVIDER.getVectorUtilSupport()), 
delta));
+    double luceneValue = 
func.applyAsDouble(LUCENE_PROVIDER.getVectorUtilSupport());

Review Comment:
   I was a bit surprised that we did not have a good utility to deal double 
equals so I grep `1e-5` in the code base. It seems we used to use `public 
static void assertEquals(double expected, double actual, double delta)` for 
this kinda assertion. It deals `NaN` well.
   
    Do we have a special reason to use `closeTo` here?



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