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1 /*
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2 * Copyright (c) 2003, 2007-14 Matteo Frigo
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3 * Copyright (c) 2003, 2007-14 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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18 *
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19 */
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20
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21 #include "codelet-rdft.h"
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22 #include SIMD_HEADER
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23
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24 #define EXTERN_CONST(t, x) extern const t x; const t x
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25
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26 static int hc2cbv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im,
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27 INT rs, INT mb, INT me, INT ms,
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28 const planner *plnr)
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29 {
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30 return (1
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31 && !NO_SIMDP(plnr)
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32 && SIMD_STRIDE_OK(rs)
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33 && SIMD_VSTRIDE_OK(ms)
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34 && ((me - mb) % VL) == 0
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35 && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
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36 && ALIGNED(Rp)
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37 && ALIGNED(Rm)
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38 && Ip == Rp + 1
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39 && Im == Rm + 1);
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40 }
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41
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42 EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cbv_genus)) = { hc2cbv_okp, HC2R, VL };
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43
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44 static int hc2cfv_okp(const R *Rp, const R *Ip, const R *Rm, const R *Im,
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45 INT rs, INT mb, INT me, INT ms,
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46 const planner *plnr)
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47 {
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48 return (1
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49 && !NO_SIMDP(plnr)
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50 && SIMD_STRIDE_OK(rs)
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51 && SIMD_VSTRIDE_OK(ms)
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52 && ((me - mb) % VL) == 0
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53 && ((mb - 1) % VL) == 0 /* twiddle factors alignment */
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54 && ALIGNED(Rp)
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55 && ALIGNED(Rm)
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56 && Ip == Rp + 1
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57 && Im == Rm + 1);
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58 }
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59
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60 EXTERN_CONST(hc2c_genus, XSIMD(rdft_hc2cfv_genus)) = { hc2cfv_okp, R2HC, VL };
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