annotate src/fftw-3.3.8/api/map-r2r-kind.c @ 82:d0c2a83c1364

Add FFTW 3.3.8 source, and a Linux build
author Chris Cannam
date Tue, 19 Nov 2019 14:52:55 +0000
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Chris@82 1 /*
Chris@82 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@82 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@82 4 *
Chris@82 5 * This program is free software; you can redistribute it and/or modify
Chris@82 6 * it under the terms of the GNU General Public License as published by
Chris@82 7 * the Free Software Foundation; either version 2 of the License, or
Chris@82 8 * (at your option) any later version.
Chris@82 9 *
Chris@82 10 * This program is distributed in the hope that it will be useful,
Chris@82 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@82 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@82 13 * GNU General Public License for more details.
Chris@82 14 *
Chris@82 15 * You should have received a copy of the GNU General Public License
Chris@82 16 * along with this program; if not, write to the Free Software
Chris@82 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Chris@82 18 *
Chris@82 19 */
Chris@82 20
Chris@82 21 #include "api/api.h"
Chris@82 22 #include "rdft/rdft.h"
Chris@82 23
Chris@82 24 rdft_kind *X(map_r2r_kind)(int rank, const X(r2r_kind) * kind)
Chris@82 25 {
Chris@82 26 int i;
Chris@82 27 rdft_kind *k;
Chris@82 28
Chris@82 29 A(FINITE_RNK(rank));
Chris@82 30 k = (rdft_kind *) MALLOC((unsigned)rank * sizeof(rdft_kind), PROBLEMS);
Chris@82 31 for (i = 0; i < rank; ++i) {
Chris@82 32 rdft_kind m;
Chris@82 33 switch (kind[i]) {
Chris@82 34 case FFTW_R2HC: m = R2HC; break;
Chris@82 35 case FFTW_HC2R: m = HC2R; break;
Chris@82 36 case FFTW_DHT: m = DHT; break;
Chris@82 37 case FFTW_REDFT00: m = REDFT00; break;
Chris@82 38 case FFTW_REDFT01: m = REDFT01; break;
Chris@82 39 case FFTW_REDFT10: m = REDFT10; break;
Chris@82 40 case FFTW_REDFT11: m = REDFT11; break;
Chris@82 41 case FFTW_RODFT00: m = RODFT00; break;
Chris@82 42 case FFTW_RODFT01: m = RODFT01; break;
Chris@82 43 case FFTW_RODFT10: m = RODFT10; break;
Chris@82 44 case FFTW_RODFT11: m = RODFT11; break;
Chris@82 45 default: m = R2HC; A(0);
Chris@82 46 }
Chris@82 47 k[i] = m;
Chris@82 48 }
Chris@82 49 return k;
Chris@82 50 }