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annotate src/fftw-3.3.5/rdft/scalar/r2cb/r2cbIII_4.c @ 56:af97cad61ff0

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Add updated build of PortAudio for OSX
author Chris Cannam <cannam@all-day-breakfast.com>
date Tue, 03 Jan 2017 15:10:52 +0000
parents 2cd0e3b3e1fd
children
rev   line source
Chris@42 1 /*
Chris@42 2 * Copyright (c) 2003, 2007-14 Matteo Frigo
Chris@42 3 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
Chris@42 4 *
Chris@42 5 * This program is free software; you can redistribute it and/or modify
Chris@42 6 * it under the terms of the GNU General Public License as published by
Chris@42 7 * the Free Software Foundation; either version 2 of the License, or
Chris@42 8 * (at your option) any later version.
Chris@42 9 *
Chris@42 10 * This program is distributed in the hope that it will be useful,
Chris@42 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Chris@42 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Chris@42 13 * GNU General Public License for more details.
Chris@42 14 *
Chris@42 15 * You should have received a copy of the GNU General Public License
Chris@42 16 * along with this program; if not, write to the Free Software
Chris@42 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Chris@42 18 *
Chris@42 19 */
Chris@42 20
Chris@42 21 /* This file was automatically generated --- DO NOT EDIT */
Chris@42 22 /* Generated on Sat Jul 30 16:50:34 EDT 2016 */
Chris@42 23
Chris@42 24 #include "codelet-rdft.h"
Chris@42 25
Chris@42 26 #ifdef HAVE_FMA
Chris@42 27
Chris@42 28 /* Generated by: ../../../genfft/gen_r2cb.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cbIII_4 -dft-III -include r2cbIII.h */
Chris@42 29
Chris@42 30 /*
Chris@42 31 * This function contains 6 FP additions, 4 FP multiplications,
Chris@42 32 * (or, 6 additions, 4 multiplications, 0 fused multiply/add),
Chris@42 33 * 9 stack variables, 2 constants, and 8 memory accesses
Chris@42 34 */
Chris@42 35 #include "r2cbIII.h"
Chris@42 36
Chris@42 37 static void r2cbIII_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
Chris@42 38 {
Chris@42 39 DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
Chris@42 40 DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
Chris@42 41 {
Chris@42 42 INT i;
Chris@42 43 for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
Chris@42 44 E T1, T2, T4, T5, T3, T6;
Chris@42 45 T1 = Cr[0];
Chris@42 46 T2 = Cr[WS(csr, 1)];
Chris@42 47 T4 = Ci[0];
Chris@42 48 T5 = Ci[WS(csi, 1)];
Chris@42 49 R0[0] = KP2_000000000 * (T1 + T2);
Chris@42 50 T3 = T1 - T2;
Chris@42 51 R0[WS(rs, 1)] = KP2_000000000 * (T5 - T4);
Chris@42 52 T6 = T4 + T5;
Chris@42 53 R1[WS(rs, 1)] = -(KP1_414213562 * (T3 + T6));
Chris@42 54 R1[0] = KP1_414213562 * (T3 - T6);
Chris@42 55 }
Chris@42 56 }
Chris@42 57 }
Chris@42 58
Chris@42 59 static const kr2c_desc desc = { 4, "r2cbIII_4", {6, 4, 0, 0}, &GENUS };
Chris@42 60
Chris@42 61 void X(codelet_r2cbIII_4) (planner *p) {
Chris@42 62 X(kr2c_register) (p, r2cbIII_4, &desc);
Chris@42 63 }
Chris@42 64
Chris@42 65 #else /* HAVE_FMA */
Chris@42 66
Chris@42 67 /* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cbIII_4 -dft-III -include r2cbIII.h */
Chris@42 68
Chris@42 69 /*
Chris@42 70 * This function contains 6 FP additions, 4 FP multiplications,
Chris@42 71 * (or, 6 additions, 4 multiplications, 0 fused multiply/add),
Chris@42 72 * 9 stack variables, 2 constants, and 8 memory accesses
Chris@42 73 */
Chris@42 74 #include "r2cbIII.h"
Chris@42 75
Chris@42 76 static void r2cbIII_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
Chris@42 77 {
Chris@42 78 DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
Chris@42 79 DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
Chris@42 80 {
Chris@42 81 INT i;
Chris@42 82 for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
Chris@42 83 E T1, T2, T3, T4, T5, T6;
Chris@42 84 T1 = Cr[0];
Chris@42 85 T2 = Cr[WS(csr, 1)];
Chris@42 86 T3 = T1 - T2;
Chris@42 87 T4 = Ci[0];
Chris@42 88 T5 = Ci[WS(csi, 1)];
Chris@42 89 T6 = T4 + T5;
Chris@42 90 R0[0] = KP2_000000000 * (T1 + T2);
Chris@42 91 R0[WS(rs, 1)] = KP2_000000000 * (T5 - T4);
Chris@42 92 R1[0] = KP1_414213562 * (T3 - T6);
Chris@42 93 R1[WS(rs, 1)] = -(KP1_414213562 * (T3 + T6));
Chris@42 94 }
Chris@42 95 }
Chris@42 96 }
Chris@42 97
Chris@42 98 static const kr2c_desc desc = { 4, "r2cbIII_4", {6, 4, 0, 0}, &GENUS };
Chris@42 99
Chris@42 100 void X(codelet_r2cbIII_4) (planner *p) {
Chris@42 101 X(kr2c_register) (p, r2cbIII_4, &desc);
Chris@42 102 }
Chris@42 103
Chris@42 104 #endif /* HAVE_FMA */