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annotate src/fftw-3.3.8/rdft/scalar/r2cf/r2cfII_2.c @ 82:d0c2a83c1364

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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 /* This file was automatically generated --- DO NOT EDIT */
Chris@82 22 /* Generated on Thu May 24 08:06:42 EDT 2018 */
Chris@82 23
Chris@82 24 #include "rdft/codelet-rdft.h"
Chris@82 25
Chris@82 26 #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
Chris@82 27
Chris@82 28 /* Generated by: ../../../genfft/gen_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 2 -name r2cfII_2 -dft-II -include rdft/scalar/r2cfII.h */
Chris@82 29
Chris@82 30 /*
Chris@82 31 * This function contains 0 FP additions, 0 FP multiplications,
Chris@82 32 * (or, 0 additions, 0 multiplications, 0 fused multiply/add),
Chris@82 33 * 3 stack variables, 0 constants, and 4 memory accesses
Chris@82 34 */
Chris@82 35 #include "rdft/scalar/r2cfII.h"
Chris@82 36
Chris@82 37 static void r2cfII_2(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
Chris@82 38 {
Chris@82 39 {
Chris@82 40 INT i;
Chris@82 41 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(8, rs), MAKE_VOLATILE_STRIDE(8, csr), MAKE_VOLATILE_STRIDE(8, csi)) {
Chris@82 42 E T1, T2;
Chris@82 43 T1 = R0[0];
Chris@82 44 T2 = R1[0];
Chris@82 45 Cr[0] = T1;
Chris@82 46 Ci[0] = -T2;
Chris@82 47 }
Chris@82 48 }
Chris@82 49 }
Chris@82 50
Chris@82 51 static const kr2c_desc desc = { 2, "r2cfII_2", {0, 0, 0, 0}, &GENUS };
Chris@82 52
Chris@82 53 void X(codelet_r2cfII_2) (planner *p) {
Chris@82 54 X(kr2c_register) (p, r2cfII_2, &desc);
Chris@82 55 }
Chris@82 56
Chris@82 57 #else
Chris@82 58
Chris@82 59 /* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 2 -name r2cfII_2 -dft-II -include rdft/scalar/r2cfII.h */
Chris@82 60
Chris@82 61 /*
Chris@82 62 * This function contains 0 FP additions, 0 FP multiplications,
Chris@82 63 * (or, 0 additions, 0 multiplications, 0 fused multiply/add),
Chris@82 64 * 3 stack variables, 0 constants, and 4 memory accesses
Chris@82 65 */
Chris@82 66 #include "rdft/scalar/r2cfII.h"
Chris@82 67
Chris@82 68 static void r2cfII_2(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
Chris@82 69 {
Chris@82 70 {
Chris@82 71 INT i;
Chris@82 72 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(8, rs), MAKE_VOLATILE_STRIDE(8, csr), MAKE_VOLATILE_STRIDE(8, csi)) {
Chris@82 73 E T1, T2;
Chris@82 74 T1 = R0[0];
Chris@82 75 T2 = R1[0];
Chris@82 76 Cr[0] = T1;
Chris@82 77 Ci[0] = -T2;
Chris@82 78 }
Chris@82 79 }
Chris@82 80 }
Chris@82 81
Chris@82 82 static const kr2c_desc desc = { 2, "r2cfII_2", {0, 0, 0, 0}, &GENUS };
Chris@82 83
Chris@82 84 void X(codelet_r2cfII_2) (planner *p) {
Chris@82 85 X(kr2c_register) (p, r2cfII_2, &desc);
Chris@82 86 }
Chris@82 87
Chris@82 88 #endif