[mlpack-svn] master: Modify tolerances for NMF tests. (22a4b65)

[gitdub at big.cc.gt.atl.ga.us]

Repository : https://github.com/mlpack/mlpack

On branch  : master
Link       : https://github.com/mlpack/mlpack/compare/6b14d78fc09cb205ffa7a297f5e6310b2ad83e25...9147fd3ee8072669c18422de4ea6fbe8f964b423

>---------------------------------------------------------------

commit 22a4b655cdc1b7dd1adfcdd9eddc255702437403
Author: ryan <ryan at ratml.org>
Date:   Mon Jan 5 15:40:14 2015 -0500

    Modify tolerances for NMF tests.
    
    Loosen some, tighten some.  This should help these tests be a little less
    dependent on changes to default values.


>---------------------------------------------------------------

22a4b655cdc1b7dd1adfcdd9eddc255702437403
 src/mlpack/tests/nmf_test.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/mlpack/tests/nmf_test.cpp b/src/mlpack/tests/nmf_test.cpp
index 18dae2e..b26ae2f 100644
--- a/src/mlpack/tests/nmf_test.cpp
+++ b/src/mlpack/tests/nmf_test.cpp
@@ -38,9 +38,9 @@ BOOST_AUTO_TEST_CASE(NMFDefaultTest)
 
   mat wh = w * h;
 
-  // Make sure reconstruction error is not too high.  1.5% tolerance.
+  // Make sure reconstruction error is not too high.  5.0% tolerance.
   BOOST_REQUIRE_SMALL(arma::norm(v - wh, "fro") / arma::norm(v, "fro"),
-      0.015);
+      0.05);
 }
 
 /**
@@ -78,9 +78,11 @@ BOOST_AUTO_TEST_CASE(NMFRandomDivTest)
   mat v = w * h;
   size_t r = 12;
 
+  // Custom tighter tolerance.
+  SimpleResidueTermination srt(1e-8, 10000);
   AMF<SimpleResidueTermination,
       RandomInitialization,
-      NMFMultiplicativeDivergenceUpdate> nmf;
+      NMFMultiplicativeDivergenceUpdate> nmf(srt);
   nmf.Apply(v, r, w, h);
 
   mat wh = w * h;