/* Excitations.cpp
 *
 * Copyright (C) 1993-2011, 2015 David Weenink
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/*
 djmw 20020813 GPL header
 djmw 20071009 wchar
 djmw 20071017 Melder_error<n>
 djmw 20090914 getItem modified
 djmw 20110304 Thing_new
*/

#include "Excitations.h"

Thing_implement (ExcitationList, Ordered, 0);

autoPattern ExcitationList_to_Pattern (ExcitationList me, long join) {
	try {
		Melder_assert (my size > 0);
		Matrix m = my at [1];
		if (join < 1) {
			join = 1;
		}
		if ( (my size % join) != 0) {
			Melder_throw (U"Number of rows is not a multiple of join.");
		}
		autoPattern thee = Pattern_create (my size / join, join * m -> nx);
		long r = 0, c = 1;
		for (long i = 1; i <= my size; i ++) {
			double *z = my at [i] -> z [1];
			if ((i - 1) % join == 0) {
				r ++;
				c = 1;
			}
			for (long j = 1; j <= m -> nx; j ++) {
				thy z [r] [c ++] = z [j];
			}
		}
		return thee;
	} catch (MelderError) {
		Melder_throw (me, U": no Pattern created.");
	}
}

autoTableOfReal ExcitationList_to_TableOfReal (ExcitationList me) {
	try {
		Melder_assert (my size > 0);
		Matrix m = my at [1];
		autoTableOfReal thee = TableOfReal_create (my size, m -> nx);
		for (long i = 1;  i <= my size; i ++) {
			double *z = my at [i] -> z [1];
			for (long j = 1; j <= m -> nx; j ++) {
				thy data[i][j] = z[j];
			}
		}
		return thee;
	} catch (MelderError) {
		Melder_throw (me, U": no TableOfReal created.");
	}
}

autoExcitation ExcitationList_getItem (ExcitationList me, long item) {
	try {
		if (item < 1 || item > my size) {
			Melder_throw (U"Not a valid element number.");
		}
		autoExcitation thee = Data_copy (my at [item]);
		Thing_setName (thee.peek(), Thing_getName (my at [item]));
		return thee;
	} catch (MelderError) {
		Melder_throw (me, U": no Excitation created.");
	}
}

/* End of file Excitations.cpp */
