C++ (Cpp) NUMProcrustes Examples

Example #1

File: Eigen_and_Procrustes.cpp Project: READSEARCH/praat

autoProcrustes Eigens_to_Procrustes (Eigen me, Eigen thee, long evec_from, long evec_to) {
	try {
		long nvectors = evec_to - evec_from + 1;
		long nmin = my numberOfEigenvalues < thy numberOfEigenvalues ? my numberOfEigenvalues : thy numberOfEigenvalues;

		if (my dimension != thy dimension) {
			Melder_throw (U"The eigenvectors must have the same dimension.");
		}

		if (evec_from > evec_to || evec_from < 1 || evec_to > nmin) {
			Melder_throw (U"Eigenvector range too large.");
		}

		autoNUMmatrix<double> x (1, my dimension, 1, nvectors);
		autoNUMmatrix<double> y (1, my dimension, 1, nvectors);

		for (long j = 1; j <= nvectors; j++) {
			for (long i = 1; i <= my dimension; i++) {
				x[i][j] =  my eigenvectors [evec_from + j - 1] [i];
				y[i][j] = thy eigenvectors [evec_from + j - 1] [i];
			}
		}

		autoProcrustes him = Procrustes_create (nvectors);

		NUMProcrustes (x.peek(), y.peek(), my dimension, nvectors, his r, nullptr, nullptr);
		return him;
	} catch (MelderError) {
		Melder_throw (U"Procrustes not created from Eigens.");
	}
}

Example #2

File: Eigen_and_Procrustes.c Project: alekstorm/tala

Procrustes Eigens_to_Procrustes (I, thou, long evec_from, long evec_to)
{
	iam (Eigen); thouart (Eigen);
	Procrustes him = NULL;
	long i, j, nvectors = evec_to - evec_from + 1; 
	long nmin = my numberOfEigenvalues < thy numberOfEigenvalues ? my numberOfEigenvalues : thy numberOfEigenvalues;
	double **x = NULL, **y = NULL;
	
	if (my dimension != thy dimension) return Melder_errorp1 (L"The eigenvectors must have the same dimension.");

	if (evec_from > evec_to || evec_from < 1 || evec_to > nmin) 
		return Melder_errorp1 (L"Eigenvector range too large.");
	
	x = NUMdmatrix (1, my dimension, 1, nvectors);
	if (x == NULL) return NULL;
	y = NUMdmatrix (1, my dimension, 1, nvectors);
	if (y == NULL) goto end;
	
	for (j = 1; j <= nvectors; j++)
	{
		for (i = 1; i <= my dimension; i++)
		{
			x[i][j] =  my eigenvectors[evec_from+j-1][i];
			y[i][j] = thy eigenvectors[evec_from+j-1][i];	
		}
	}
	
	him = Procrustes_create (nvectors);
	if (him == NULL) goto end;

	if (! NUMProcrustes (x, y, my dimension, nvectors, his r, NULL, NULL)) forget (him);
	
end:

	NUMdmatrix_free (x, 1, 1);
	NUMdmatrix_free (y, 1, 1);
	return him;
}