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1 /*
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2 * Copyright (c) 2003, 2007-8 Matteo Frigo
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3 * Copyright (c) 2003, 2007-8 Massachusetts Institute of Technology
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4 *
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5 * This program is free software; you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation; either version 2 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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18 *
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19 */
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20
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21 #include "api.h"
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22 #include "rdft.h"
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23
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24 /* guru interface: requires care in alignment, r - i, etcetera. */
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25 void X(execute_dft_c2r)(const X(plan) p, C *in, R *out)
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26 WITH_ALIGNED_STACK({
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27 plan_rdft2 *pln = (plan_rdft2 *) p->pln;
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28 problem_rdft2 *prb = (problem_rdft2 *) p->prb;
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29 pln->apply((plan *) pln, out, out + (prb->r1 - prb->r0), in[0], in[0]+1);
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30 })
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