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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 /* This file was automatically generated --- DO NOT EDIT */
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22 /* Generated on Thu May 24 08:07:42 EDT 2018 */
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23
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24 #include "rdft/codelet-rdft.h"
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25
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26 #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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27
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28 /* Generated by: ../../../genfft/gen_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -name r2cbIII_2 -dft-III -include rdft/scalar/r2cbIII.h */
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29
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30 /*
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31 * This function contains 0 FP additions, 2 FP multiplications,
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32 * (or, 0 additions, 2 multiplications, 0 fused multiply/add),
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33 * 4 stack variables, 1 constants, and 4 memory accesses
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34 */
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35 #include "rdft/scalar/r2cbIII.h"
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36
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37 static void r2cbIII_2(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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38 {
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39 DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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40 {
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41 INT i;
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42 for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(8, rs), MAKE_VOLATILE_STRIDE(8, csr), MAKE_VOLATILE_STRIDE(8, csi)) {
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43 E T1, T2;
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44 T1 = Cr[0];
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45 T2 = Ci[0];
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46 R0[0] = KP2_000000000 * T1;
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47 R1[0] = -(KP2_000000000 * T2);
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48 }
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49 }
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50 }
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51
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52 static const kr2c_desc desc = { 2, "r2cbIII_2", {0, 2, 0, 0}, &GENUS };
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53
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54 void X(codelet_r2cbIII_2) (planner *p) {
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55 X(kr2c_register) (p, r2cbIII_2, &desc);
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56 }
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57
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58 #else
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59
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60 /* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 2 -name r2cbIII_2 -dft-III -include rdft/scalar/r2cbIII.h */
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61
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62 /*
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63 * This function contains 0 FP additions, 2 FP multiplications,
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64 * (or, 0 additions, 2 multiplications, 0 fused multiply/add),
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65 * 4 stack variables, 1 constants, and 4 memory accesses
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66 */
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67 #include "rdft/scalar/r2cbIII.h"
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68
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69 static void r2cbIII_2(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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70 {
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71 DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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72 {
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73 INT i;
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74 for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(8, rs), MAKE_VOLATILE_STRIDE(8, csr), MAKE_VOLATILE_STRIDE(8, csi)) {
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75 E T1, T2;
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76 T1 = Cr[0];
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77 T2 = Ci[0];
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78 R0[0] = KP2_000000000 * T1;
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79 R1[0] = -(KP2_000000000 * T2);
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80 }
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81 }
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82 }
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83
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84 static const kr2c_desc desc = { 2, "r2cbIII_2", {0, 2, 0, 0}, &GENUS };
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85
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86 void X(codelet_r2cbIII_2) (planner *p) {
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87 X(kr2c_register) (p, r2cbIII_2, &desc);
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88 }
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89
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90 #endif
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