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annotate src/fftw-3.3.5/rdft/scalar/r2cf/r2cf_3.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 16:46:03 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_r2cf.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 3 -name r2cf_3 -include r2cf.h */
Chris@42 29
Chris@42 30 /*
Chris@42 31 * This function contains 4 FP additions, 2 FP multiplications,
Chris@42 32 * (or, 3 additions, 1 multiplications, 1 fused multiply/add),
Chris@42 33 * 7 stack variables, 2 constants, and 6 memory accesses
Chris@42 34 */
Chris@42 35 #include "r2cf.h"
Chris@42 36
Chris@42 37 static void r2cf_3(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(KP500000000, +0.500000000000000000000000000000000000000000000);
Chris@42 40 DK(KP866025403, +0.866025403784438646763723170752936183471402627);
Chris@42 41 {
Chris@42 42 INT i;
Chris@42 43 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) {
Chris@42 44 E T1, T2, T3, T4;
Chris@42 45 T1 = R0[0];
Chris@42 46 T2 = R1[0];
Chris@42 47 T3 = R0[WS(rs, 1)];
Chris@42 48 Ci[WS(csi, 1)] = KP866025403 * (T3 - T2);
Chris@42 49 T4 = T2 + T3;
Chris@42 50 Cr[0] = T1 + T4;
Chris@42 51 Cr[WS(csr, 1)] = FNMS(KP500000000, T4, T1);
Chris@42 52 }
Chris@42 53 }
Chris@42 54 }
Chris@42 55
Chris@42 56 static const kr2c_desc desc = { 3, "r2cf_3", {3, 1, 1, 0}, &GENUS };
Chris@42 57
Chris@42 58 void X(codelet_r2cf_3) (planner *p) {
Chris@42 59 X(kr2c_register) (p, r2cf_3, &desc);
Chris@42 60 }
Chris@42 61
Chris@42 62 #else /* HAVE_FMA */
Chris@42 63
Chris@42 64 /* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 3 -name r2cf_3 -include r2cf.h */
Chris@42 65
Chris@42 66 /*
Chris@42 67 * This function contains 4 FP additions, 2 FP multiplications,
Chris@42 68 * (or, 3 additions, 1 multiplications, 1 fused multiply/add),
Chris@42 69 * 7 stack variables, 2 constants, and 6 memory accesses
Chris@42 70 */
Chris@42 71 #include "r2cf.h"
Chris@42 72
Chris@42 73 static void r2cf_3(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
Chris@42 74 {
Chris@42 75 DK(KP866025403, +0.866025403784438646763723170752936183471402627);
Chris@42 76 DK(KP500000000, +0.500000000000000000000000000000000000000000000);
Chris@42 77 {
Chris@42 78 INT i;
Chris@42 79 for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) {
Chris@42 80 E T1, T2, T3, T4;
Chris@42 81 T1 = R0[0];
Chris@42 82 T2 = R1[0];
Chris@42 83 T3 = R0[WS(rs, 1)];
Chris@42 84 T4 = T2 + T3;
Chris@42 85 Cr[WS(csr, 1)] = FNMS(KP500000000, T4, T1);
Chris@42 86 Ci[WS(csi, 1)] = KP866025403 * (T3 - T2);
Chris@42 87 Cr[0] = T1 + T4;
Chris@42 88 }
Chris@42 89 }
Chris@42 90 }
Chris@42 91
Chris@42 92 static const kr2c_desc desc = { 3, "r2cf_3", {3, 1, 1, 0}, &GENUS };
Chris@42 93
Chris@42 94 void X(codelet_r2cf_3) (planner *p) {
Chris@42 95 X(kr2c_register) (p, r2cf_3, &desc);
Chris@42 96 }
Chris@42 97
Chris@42 98 #endif /* HAVE_FMA */