added lapack check for eigenspectrum based test to solve compile error

when not having LAPACK installed
shogun-toolbox · Jun 11, 2012 · 27f5fd1 · 27f5fd1
1 parent 51c3b36
commit 27f5fd1
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diff --git a/src/shogun/statistics/QuadraticTimeMMD.cpp b/src/shogun/statistics/QuadraticTimeMMD.cpp
@@ -121,6 +121,7 @@ float64_t CQuadraticTimeMMD::compute_p_value(float64_t statistic)
 	return result;
 }
 
+#ifdef HAVE_LAPACK
 SGVector<float64_t> CQuadraticTimeMMD::sample_null_spectrum(index_t num_samples,
 		index_t num_eigenvalues)
 {
@@ -182,6 +183,7 @@ SGVector<float64_t> CQuadraticTimeMMD::sample_null_spectrum(index_t num_samples,
 
 	return null_samples;
 }
+#endif // HAVE_LAPACK
 
 float64_t CQuadraticTimeMMD::compute_p_value_gamma(float64_t statistic)
 {

diff --git a/src/shogun/statistics/QuadraticTimeMMD.h b/src/shogun/statistics/QuadraticTimeMMD.h
@@ -34,6 +34,7 @@ class CQuadraticTimeMMD : public CKernelTwoSampleTestStatistic
 			return "QuadraticTimeMMD";
 		};
 
+#ifdef HAVE_LAPACK
 		/* returns a set of samples of an estimate of the null distribution
 		 * using the Eigen-spectrum of the centered kernel matrix of the merged
 		 * samples of p and q. May be used to compute p_value (easy)
@@ -52,6 +53,7 @@ class CQuadraticTimeMMD : public CKernelTwoSampleTestStatistic
 		 */
 		SGVector<float64_t> sample_null_spectrum(index_t num_samples,
 				index_t num_eigenvalues);
+#endif // HAVE_LAPACK
 
 		/** Approximates the null-distribution by the two parameter gamma
 		 * distribution. It works in O(m^2) where m is the number of samples