fixed compile error when eigen3 not installed

shogun-toolbox · Mar 15, 2014 · 936bfc2 · 936bfc2
1 parent 55912da
commit 936bfc2
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diff --git a/src/shogun/mathematics/linalg/ratapprox/logdet/LogDetEstimator.cpp b/src/shogun/mathematics/linalg/ratapprox/logdet/LogDetEstimator.cpp
@@ -36,6 +36,7 @@ CLogDetEstimator::CLogDetEstimator()
 	init();
 }
 
+#ifdef HAVE_EIGEN3
 CLogDetEstimator::CLogDetEstimator(SGSparseMatrix<float64_t> sparse_mat) 
 	: CSGObject()
 {
@@ -68,6 +69,7 @@ CLogDetEstimator::CLogDetEstimator(SGSparseMatrix<float64_t> sparse_mat)
 		m_computation_engine->get_name(), m_operator_log->get_name(),
 		m_trace_sampler->get_name());
 }
+#endif //HAVE_EIGEN3
 
 CLogDetEstimator::CLogDetEstimator(CTraceSampler* trace_sampler,
 	COperatorFunction<float64_t>* operator_log,

diff --git a/src/shogun/mathematics/linalg/ratapprox/logdet/LogDetEstimator.h b/src/shogun/mathematics/linalg/ratapprox/logdet/LogDetEstimator.h
@@ -37,6 +37,7 @@ class CLogDetEstimator : public CSGObject
 
 	/**
 	 * constructor for SGSparseMatrix<float64_t>
+	 * available only when Eigen3 library installed.
 	 * Using the default methods: CSerialComputationEngine,CLanczosEigenSolver,
 	 * CLogRationalApproximationCGM with 1E-5 accuracy, CCGMShiftedFamilySolver,
 	 * when COLPACK package is installed CProbingsampler with power=1,