Impala Documentation

template<class ArrayT>

ArrayT* Impala::Core::Matrix::MatNorm2Dist	(	ArrayT *	a,
		ArrayT *	b
	)			`[inline]`

Definition at line 158 of file MatNorm2Dist.h.

References ILOG_ERROR, ILOG_VAR, MatNorm2DistInternal(), MatNrRow(), and MatTranspose().

Referenced by Impala::Core::Test::TestMatNorm2Dist::Run().

00159 {
00160 /*
00161     Computes Euclidean distance matrix
00162 
00163     E = MatNorm2Dist(A,B)
00164     
00165         A - (DxM) matrix
00166         B - (DxN) matrix
00167     
00168     Returns:
00169         E - (MxN) Euclidean distances between vectors in A and B
00170 */
00171     ILOG_VAR(Core.Matrix.MatNorm2Dist);
00172     if (MatNrRow(a) != MatNrRow(b)) {
00173         ILOG_ERROR("MatNorm2Dist operands: A and B should be of same dimensionality");
00174     }
00175     Mat* aT = MatTranspose(a);
00176     ArrayT* result = MatNorm2DistInternal(aT, b);
00177     delete aT;
00178     return result;
00179 }

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