[mlpack-svn] r17467 - in mlpack/tags/mlpack-1.0.11: . src/mlpack src/mlpack/core/data src/mlpack/core/math src/mlpack/core/util src/mlpack/tests

fastlab-svn at coffeetalk-1.cc.gatech.edu fastlab-svn at coffeetalk-1.cc.gatech.edu
Sun Dec 7 14:40:00 EST 2014


Author: rcurtin
Date: Sun Dec  7 14:39:59 2014
New Revision: 17467

Log:
Backport r17390-17395.


Modified:
   mlpack/tags/mlpack-1.0.11/   (props changed)
   mlpack/tags/mlpack-1.0.11/HISTORY.txt
   mlpack/tags/mlpack-1.0.11/src/mlpack/core.hpp
   mlpack/tags/mlpack-1.0.11/src/mlpack/core/data/load_impl.hpp
   mlpack/tags/mlpack-1.0.11/src/mlpack/core/math/random.hpp
   mlpack/tags/mlpack-1.0.11/src/mlpack/core/util/sfinae_utility.hpp
   mlpack/tags/mlpack-1.0.11/src/mlpack/prereqs.hpp
   mlpack/tags/mlpack-1.0.11/src/mlpack/tests/svd_batch_test.cpp

Modified: mlpack/tags/mlpack-1.0.11/HISTORY.txt
==============================================================================
--- mlpack/tags/mlpack-1.0.11/HISTORY.txt	(original)
+++ mlpack/tags/mlpack-1.0.11/HISTORY.txt	Sun Dec  7 14:39:59 2014
@@ -15,6 +15,9 @@
 
   * Fixes for numerous intermittent test failures.
 
+  * math::RandomSeed() now sets the random seed for recent (>=3.930) Armadillo
+    versions.
+
 2014-08-29    mlpack 1.0.10
 
   * Bugfix for NeighborSearch regression which caused very slow allknn/allkfn.

Modified: mlpack/tags/mlpack-1.0.11/src/mlpack/core.hpp
==============================================================================
--- mlpack/tags/mlpack-1.0.11/src/mlpack/core.hpp	(original)
+++ mlpack/tags/mlpack-1.0.11/src/mlpack/core.hpp	Sun Dec  7 14:39:59 2014
@@ -193,6 +193,9 @@
 #include <mlpack/core/kernels/spherical_kernel.hpp>
 #include <mlpack/core/kernels/triangular_kernel.hpp>
 
+// Use Armadillo's C++ version detection.
+#ifdef ARMA_USE_CXX11
+  #define MLPACK_USE_CX11
 #endif
 
 // Clean up unfortunate Windows preprocessor definitions, even if this file was

Modified: mlpack/tags/mlpack-1.0.11/src/mlpack/core/data/load_impl.hpp
==============================================================================
--- mlpack/tags/mlpack-1.0.11/src/mlpack/core/data/load_impl.hpp	(original)
+++ mlpack/tags/mlpack-1.0.11/src/mlpack/core/data/load_impl.hpp	Sun Dec  7 14:39:59 2014
@@ -216,8 +216,6 @@
     Log::Info << "Loading '" << filename << "' as " << stringType << ".  "
         << std::flush;
 
-  Log::Debug << "load type " << loadType << "\n";
-
   const bool success = matrix.load(stream, loadType);
 
   if (!success)

Modified: mlpack/tags/mlpack-1.0.11/src/mlpack/core/math/random.hpp
==============================================================================
--- mlpack/tags/mlpack-1.0.11/src/mlpack/core/math/random.hpp	(original)
+++ mlpack/tags/mlpack-1.0.11/src/mlpack/core/math/random.hpp	Sun Dec  7 14:39:59 2014
@@ -64,6 +64,12 @@
 {
   randGen.seed((uint32_t) seed);
   srand((unsigned int) seed);
+#if ARMA_VERSION_MAJOR > 3 || \
+    (ARMA_VERSION_MAJOR == 3 && ARMA_VERSION_MINOR >= 930)
+  // Armadillo >= 3.930 has its own random number generator internally that we
+  // need to set the seed for also.
+  arma::arma_rng::set_seed(seed);
+#endif
 }
 
 /**

Modified: mlpack/tags/mlpack-1.0.11/src/mlpack/core/util/sfinae_utility.hpp
==============================================================================
--- mlpack/tags/mlpack-1.0.11/src/mlpack/core/util/sfinae_utility.hpp	(original)
+++ mlpack/tags/mlpack-1.0.11/src/mlpack/core/util/sfinae_utility.hpp	Sun Dec  7 14:39:59 2014
@@ -27,6 +27,7 @@
 
 #include <boost/utility/enable_if.hpp>
 #include <boost/type_traits.hpp>
+#include <mlpack/prereqs.hpp>
 
 /*
  * Constructs a template supporting the SFINAE pattern.

Modified: mlpack/tags/mlpack-1.0.11/src/mlpack/prereqs.hpp
==============================================================================
--- mlpack/tags/mlpack-1.0.11/src/mlpack/prereqs.hpp	(original)
+++ mlpack/tags/mlpack-1.0.11/src/mlpack/prereqs.hpp	Sun Dec  7 14:39:59 2014
@@ -63,4 +63,11 @@
 // Now include Armadillo through the special mlpack extensions.
 #include <mlpack/core/arma_extend/arma_extend.hpp>
 
+// On Visual Studio, disable C4519 (default arguments for function templates)
+// since it's by default an error, which doesn't even make any sense because
+// it's part of the C++11 standard.
+#ifdef _MSC_VER
+  #pragma warning(disable : 4519)
+#endif
+
 #endif

Modified: mlpack/tags/mlpack-1.0.11/src/mlpack/tests/svd_batch_test.cpp
==============================================================================
--- mlpack/tags/mlpack-1.0.11/src/mlpack/tests/svd_batch_test.cpp	(original)
+++ mlpack/tags/mlpack-1.0.11/src/mlpack/tests/svd_batch_test.cpp	Sun Dec  7 14:39:59 2014
@@ -35,17 +35,16 @@
  */
 BOOST_AUTO_TEST_CASE(SVDBatchConvergenceElementTest)
 {
-  mlpack::math::RandomSeed(10);
   sp_mat data;
   data.sprandn(1000, 1000, 0.2);
-  AMF<SimpleToleranceTermination<sp_mat>, 
-      RandomInitialization, 
+  AMF<SimpleToleranceTermination<sp_mat>,
+      AverageInitialization,
       SVDBatchLearning> amf;
-  mat m1,m2;
+  mat m1, m2;
   amf.Apply(data, 2, m1, m2);
-  
-  BOOST_REQUIRE_NE(amf.TerminationPolicy().Iteration(), 
-                    amf.TerminationPolicy().MaxIterations());
+
+  BOOST_REQUIRE_NE(amf.TerminationPolicy().Iteration(),
+                   amf.TerminationPolicy().MaxIterations());
 }
 
 /**
@@ -75,6 +74,8 @@
   // Fill sparse matrix.
   sp_mat cleanedData = arma::sp_mat(locations, values, maxUserID, maxItemID);
 
+  // Explicitly setting the random seed forces the random initialization to be
+  // the same.  There may be a better way to do this.
   mlpack::math::RandomSeed(10);
   ValidationRMSETermination<sp_mat> vrt(cleanedData, 2000);
   AMF<ValidationRMSETermination<sp_mat>,
@@ -136,7 +137,7 @@
                               RandomInitialization(),
                               SVDBatchLearning(0.0009, 0, 0, 0));
 
-  mat m1,m2;
+  mat m1, m2;
   double RMSE_1 = amf_1.Apply(cleanedData, 2, m1, m2);
 
   mlpack::math::RandomSeed(10);
@@ -156,17 +157,18 @@
  */
 BOOST_AUTO_TEST_CASE(SVDBatchNegativeElementTest)
 {
-  mat test;
-  test.zeros(3,3);
-  test(0, 0) = 1;
-  test(0, 1) = -2;
-  test(0, 2) = 3;
-  test(1, 0) = 2;
-  test(1, 1) = -1;
-  test(1, 2) = 2;
-  test(2, 0) = 2;
-  test(2, 1) = 2;
-  test(2, 2) = 2;
+  math::RandomSeed(std::time(NULL));
+  // Create two 5x3 matrices that we should be able to recover.
+  mat testLeft;
+  testLeft.randu(5, 3);
+  testLeft -= 0.5; // Shift so elements are negative.
+
+  mat testRight;
+  testRight.randu(3, 5);
+  testRight -= 0.5; // Shift so elements are negative.
+
+  // Assemble a rank-3 matrix that is 5x5.
+  mat test = testLeft * testRight;
 
   AMF<SimpleToleranceTermination<mat>,
       RandomInitialization,
@@ -174,17 +176,14 @@
                             RandomInitialization(),
                             SVDBatchLearning(0.3, 0.001, 0.001, 0));
   mat m1, m2;
-  amf.Apply(test, 2, m1, m2);
+  amf.Apply(test, 3, m1, m2);
 
   arma::mat result = m1 * m2;
 
-  for(size_t i = 0;i < 3;i++)
-  {
-    for(size_t j = 0;j < 3;j++)
-    {
-      BOOST_REQUIRE_LE(abs(test(i,j) - result(i,j)), 0.5);
-    }
-  }
+  // 5% element-wise tolerance.
+  for (size_t i = 0; i < 3; i++)
+    for (size_t j = 0; j < 3; j++)
+      BOOST_REQUIRE_CLOSE(test(i, j), result(i, j), 5.0);
 }
 
 BOOST_AUTO_TEST_SUITE_END();



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