Yeah that Map is a HashMap and so has no predictable key ordering.
Sounds like we want a TreeMap (i.e. a SortedMap implementation)?
author, may I change it? :)
On Thu, Aug 7, 2008 at 3:32 PM, Allen Day <[EMAIL PROTECTED]> wrote:
> Here's a relevant snippet:
>
> [junit] Testcase:
> testAsFormatString(org.apache.mahout.matrix.TestSparseVector):
> FAILED
> [junit] format expected:<[s5, [2:2.2, 1:1.1], 3:3.3, ] > but
> was:<[s5, [1:1.1, 2:2.2], 3:3.3, ] >
> [junit] junit.framework.ComparisonFailure: format expected:<[s5,
> [2:2.2, 1:1.1], 3:3.3, ] > but was:<[s5, [1:1.1, 2:2.2], 3:3.3, ] >
> [junit] at
> org.apache.mahout.matrix.TestSparseVector.testAsFormatString(TestSparseVector.java:40)
>
> I've seen this happen in some of my dev environments but not others.
> The error is because the serialized vector/matrix has transposed some
> of the elements relative to what the unit test expects. It looks to
> me like this is caused by iterating over the keyset directly rather
> than sorting it first:
>
> SparseVector.java:97
> -------------------------
> public String asFormatString() {
> StringBuilder out = new StringBuilder();
> out.append("[s").append(cardinality).append(", ");
> for (Integer index : values.keySet())
> out.append(index).append(':').append(values.get(index)).append(", ");
> out.append("] ");
> return out.toString();
> }
> -------------------------
>
> -Allen
>
