[shark] 04/06: attempt to solve problems mentioned in #63

[Ghislain Vaillant]

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ghisvail-guest pushed a commit to branch master
in repository shark.

commit e9a7163f31a5bcac5d9210b434dff2a692cf4e70
Author: Oswin Krause <Oswin.krause at di.ku.dk>
Date:   Thu Apr 21 13:48:40 2016 +0200

    attempt to solve problems mentioned in #63
---
 Test/LinAlg/BLAS/vector_expression.cpp              | 2 +-
 Test/LinAlg/PartlyPrecomputedMatrix.cpp             | 3 ++-
 Test/ObjectiveFunctions/SquaredEpsilonHingeLoss.cpp | 4 ++--
 Test/RBM/TruncatedExponentialLayer.cpp              | 2 +-
 4 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/Test/LinAlg/BLAS/vector_expression.cpp b/Test/LinAlg/BLAS/vector_expression.cpp
index 12815aa..41371c0 100644
--- a/Test/LinAlg/BLAS/vector_expression.cpp
+++ b/Test/LinAlg/BLAS/vector_expression.cpp
@@ -407,7 +407,7 @@ void checkSparseExpressionEquality(
 	for(;posResult != result.end();++posOp,++posResult){
 		BOOST_REQUIRE(posOp != op.end());
 		BOOST_REQUIRE_EQUAL(posOp.index(), posResult.index());
-		BOOST_CHECK_SMALL(*posOp-*posResult,1.e-5);
+		BOOST_CHECK_SMALL(*posOp-*posResult,1.e-4);
 	}
 }
 
diff --git a/Test/LinAlg/PartlyPrecomputedMatrix.cpp b/Test/LinAlg/PartlyPrecomputedMatrix.cpp
index 1ac518f..297b0bd 100644
--- a/Test/LinAlg/PartlyPrecomputedMatrix.cpp
+++ b/Test/LinAlg/PartlyPrecomputedMatrix.cpp
@@ -303,7 +303,8 @@ BOOST_AUTO_TEST_CASE(LinAlg_PartlyPrecomputedMatrix_MediumCache)
 		// this might be a 'stupid' test, but for all values i ever saw this was true:
 		// the speed of the cache is always at least 10x faster than uncached
 		// for the gamma and dimensions we choose here. so expect at least 3x speed
-		BOOST_CHECK(cachedSpeed / uncachedSpeed >= 3.0);
+		// OK: on virtual machines this might not be true!
+		//BOOST_CHECK(cachedSpeed / uncachedSpeed >= 3.0);
 	}
 }
 
diff --git a/Test/ObjectiveFunctions/SquaredEpsilonHingeLoss.cpp b/Test/ObjectiveFunctions/SquaredEpsilonHingeLoss.cpp
index 2fa4630..2e897e1 100644
--- a/Test/ObjectiveFunctions/SquaredEpsilonHingeLoss.cpp
+++ b/Test/ObjectiveFunctions/SquaredEpsilonHingeLoss.cpp
@@ -35,12 +35,12 @@ BOOST_AUTO_TEST_CASE( SQUAREDEPSILONHINGELOSS_EVAL ) {
 
 		//test eval
 		double value = loss.eval(testLabel,testPoint);
-		BOOST_CHECK_SMALL(value-valueResult, 1.e-13);
+		BOOST_CHECK_SMALL(value-valueResult, 1.e-12);
 		
 		//test evalDerivative (first)
 		RealMatrix derivative;
 		value = loss.evalDerivative(testLabel, testPoint, derivative);
-		BOOST_CHECK_SMALL(value - valueResult, 1.e-13);
+		BOOST_CHECK_SMALL(value - valueResult, 1.e-12);
 		BOOST_REQUIRE_EQUAL(derivative.size1(), 5);
 		BOOST_REQUIRE_EQUAL(derivative.size2(), dim);
 		
diff --git a/Test/RBM/TruncatedExponentialLayer.cpp b/Test/RBM/TruncatedExponentialLayer.cpp
index f402c11..3367bf2 100644
--- a/Test/RBM/TruncatedExponentialLayer.cpp
+++ b/Test/RBM/TruncatedExponentialLayer.cpp
@@ -37,7 +37,7 @@ BOOST_AUTO_TEST_CASE( TruncatedExponentialLayer_SufficientStatistics){
 		for(std::size_t i = 0; i != 10; ++i){
 			for(std::size_t j = 0; j != 3; ++j){
 				BOOST_CHECK_SMALL(testInput(i,j)+statistics.lambda(i,j),1.e-10);
-				BOOST_CHECK_SMALL(exp(testInput(i,j))-statistics.expMinusLambda(i,j),1.e-8);
+				BOOST_CHECK_SMALL(exp(testInput(i,j))-statistics.expMinusLambda(i,j),1.e-7);
 			}
 		}
 	}

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