n1fv_13.c

用于DFT计算的c语言的库的最新版本,包含丰富的函数库.

/*
 * Copyright (c) 2003, 2007-8 Matteo Frigo
 * Copyright (c) 2003, 2007-8 Massachusetts Institute of Technology
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

/* This file was automatically generated --- DO NOT EDIT */
/* Generated on Mon Feb  9 19:52:04 EST 2009 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_notw_c -fma -reorder-insns -schedule-for-pipeline -simd -compact -variables 4 -pipeline-latency 8 -n 13 -name n1fv_13 -include n1f.h */

/*
 * This function contains 88 FP additions, 63 FP multiplications,
 * (or, 31 additions, 6 multiplications, 57 fused multiply/add),
 * 96 stack variables, 23 constants, and 26 memory accesses
 */
#include "n1f.h"

static void n1fv_13(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DVK(KP904176221, +0.904176221990848204433795481776887926501523162);
     DVK(KP575140729, +0.575140729474003121368385547455453388461001608);
     DVK(KP300462606, +0.300462606288665774426601772289207995520941381);
     DVK(KP516520780, +0.516520780623489722840901288569017135705033622);
     DVK(KP522026385, +0.522026385161275033714027226654165028300441940);
     DVK(KP957805992, +0.957805992594665126462521754605754580515587217);
     DVK(KP600477271, +0.600477271932665282925769253334763009352012849);
     DVK(KP251768516, +0.251768516431883313623436926934233488546674281);
     DVK(KP503537032, +0.503537032863766627246873853868466977093348562);
     DVK(KP769338817, +0.769338817572980603471413688209101117038278899);
     DVK(KP859542535, +0.859542535098774820163672132761689612766401925);
     DVK(KP581704778, +0.581704778510515730456870384989698884939833902);
     DVK(KP853480001, +0.853480001859823990758994934970528322872359049);
     DVK(KP083333333, +0.083333333333333333333333333333333333333333333);
     DVK(KP226109445, +0.226109445035782405468510155372505010481906348);
     DVK(KP301479260, +0.301479260047709873958013540496673347309208464);
     DVK(KP686558370, +0.686558370781754340655719594850823015421401653);
     DVK(KP514918778, +0.514918778086315755491789696138117261566051239);
     DVK(KP038632954, +0.038632954644348171955506895830342264440241080);
     DVK(KP612264650, +0.612264650376756543746494474777125408779395514);
     DVK(KP302775637, +0.302775637731994646559610633735247973125648287);
     DVK(KP866025403, +0.866025403784438646763723170752936183471402627);
     DVK(KP500000000, +0.500000000000000000000000000000000000000000000);
     INT i;
     const R *xi;
     R *xo;
     xi = ri;
     xo = ro;
     for (i = v; i > 0; i = i - VL, xi = xi + (VL * ivs), xo = xo + (VL * ovs), MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(os)) {
	  V T1, T7, T2, Tg, Tf, TN, Th, Tq, Ta, Tj, T5, Tr, Tk;
	  T1 = LD(&(xi[0]), ivs, &(xi[0]));
	  {
	       V Td, Te, T8, T9, T3, T4;
	       Td = LD(&(xi[WS(is, 8)]), ivs, &(xi[0]));
	       Te = LD(&(xi[WS(is, 5)]), ivs, &(xi[WS(is, 1)]));
	       T7 = LD(&(xi[WS(is, 12)]), ivs, &(xi[0]));
	       T8 = LD(&(xi[WS(is, 10)]), ivs, &(xi[0]));
	       T9 = LD(&(xi[WS(is, 4)]), ivs, &(xi[0]));
	       T2 = LD(&(xi[WS(is, 1)]), ivs, &(xi[WS(is, 1)]));
	       T3 = LD(&(xi[WS(is, 3)]), ivs, &(xi[WS(is, 1)]));
	       T4 = LD(&(xi[WS(is, 9)]), ivs, &(xi[WS(is, 1)]));
	       Tg = LD(&(xi[WS(is, 11)]), ivs, &(xi[WS(is, 1)]));
	       Tf = VADD(Td, Te);
	       TN = VSUB(Td, Te);
	       Th = LD(&(xi[WS(is, 6)]), ivs, &(xi[0]));
	       Tq = VSUB(T8, T9);
	       Ta = VADD(T8, T9);
	       Tj = LD(&(xi[WS(is, 7)]), ivs, &(xi[WS(is, 1)]));
	       T5 = VADD(T3, T4);
	       Tr = VSUB(T4, T3);
	       Tk = LD(&(xi[WS(is, 2)]), ivs, &(xi[0]));
	  }
	  {
	       V Tt, Ti, Ty, Tb, Ts, TQ, Tx, T6, Tu, Tl;
	       Tt = VSUB(Tg, Th);
	       Ti = VADD(Tg, Th);
	       Ty = VFMS(LDK(KP500000000), Ta, T7);
	       Tb = VADD(T7, Ta);
	       Ts = VSUB(Tq, Tr);
	       TQ = VADD(Tr, Tq);
	       Tx = VFNMS(LDK(KP500000000), T5, T2);
	       T6 = VADD(T2, T5);
	       Tu = VSUB(Tj, Tk);
	       Tl = VADD(Tj, Tk);
	       {
		    V TK, Tz, Tc, TX, Tv, TO, TL, Tm;
		    TK = VADD(Tx, Ty);
		    Tz = VSUB(Tx, Ty);
		    Tc = VADD(T6, Tb);
		    TX = VSUB(T6, Tb);
		    Tv = VSUB(Tt, Tu);
		    TO = VADD(Tt, Tu);
		    TL = VSUB(Ti, Tl);
		    Tm = VADD(Ti, Tl);
		    {
			 V TF, Tw, TP, TY, TT, TM, TA, Tn;
			 TF = VSUB(Ts, Tv);
			 Tw = VADD(Ts, Tv);
			 TP = VFNMS(LDK(KP500000000), TO, TN);
			 TY = VADD(TN, TO);
			 TT = VFNMS(LDK(KP866025403), TL, TK);
			 TM = VFMA(LDK(KP866025403), TL, TK);
			 TA = VFNMS(LDK(KP500000000), Tm, Tf);
			 Tn = VADD(Tf, Tm);
			 {
			      V T1f, T1n, TI, T18, T1k, T1c, TD, T17, T10, T1m, T16, T1e, TU, TR;
			      TU = VFNMS(LDK(KP866025403), TQ, TP);
			      TR = VFMA(LDK(KP866025403), TQ, TP);
			      {
				   V TZ, T15, TE, TB;
				   TZ = VFMA(LDK(KP302775637), TY, TX);
				   T15 = VFNMS(LDK(KP302775637), TX, TY);
				   TE = VSUB(Tz, TA);
				   TB = VADD(Tz, TA);
				   {
					V TH, To, TV, T13;
					TH = VSUB(Tc, Tn);
					To = VADD(Tc, Tn);
					TV = VFNMS(LDK(KP612264650), TU, TT);
					T13 = VFMA(LDK(KP612264650), TT, TU);
					{
					     V TS, T12, TG, T1b;
					     TS = VFNMS(LDK(KP038632954), TR, TM);
					     T12 = VFMA(LDK(KP038632954), TM, TR);
					     TG = VFNMS(LDK(KP514918778), TF, TE);
					     T1b = VFMA(LDK(KP686558370), TE, TF);
					     {
						  V TC, T1a, Tp, TW, T14;
						  TC = VFMA(LDK(KP301479260), TB, Tw);
						  T1a = VFNMS(LDK(KP226109445), Tw, TB);
						  Tp = VFNMS(LDK(KP083333333), To, T1);
						  ST(&(xo[0]), VADD(T1, To), ovs, &(xo[0]));
						  T1f = VFMA(LDK(KP853480001), TV, TS);
						  TW = VFNMS(LDK(KP853480001), TV, TS);
						  T1n = VFMA(LDK(KP853480001), T13, T12);
						  T14 = VFNMS(LDK(KP853480001), T13, T12);
						  TI = VFMA(LDK(KP581704778), TH, TG);
						  T18 = VFNMS(LDK(KP859542535), TG, TH);
						  T1k = VFMA(LDK(KP769338817), T1b, T1a);
						  T1c = VFNMS(LDK(KP769338817), T1b, T1a);
						  TD = VFMA(LDK(KP503537032), TC, Tp);
						  T17 = VFNMS(LDK(KP251768516), TC, Tp);
						  T10 = VMUL(LDK(KP600477271), VFMA(LDK(KP957805992), TZ, TW));
						  T1m = VFNMS(LDK(KP522026385), TW, TZ);
						  T16 = VMUL(LDK(KP600477271), VFMA(LDK(KP957805992), T15, T14));
						  T1e = VFNMS(LDK(KP522026385), T14, T15);
					     }
					}
				   }
			      }
			      {
				   V T1o, T1q, T1g, T1i, T1d, T1h, T1l, T1p;
				   {
					V T11, TJ, T19, T1j;
					T11 = VFMA(LDK(KP516520780), TI, TD);
					TJ = VFNMS(LDK(KP516520780), TI, TD);
					T19 = VFMA(LDK(KP300462606), T18, T17);
					T1j = VFNMS(LDK(KP300462606), T18, T17);
					T1o = VMUL(LDK(KP575140729), VFNMS(LDK(KP904176221), T1n, T1m));
					T1q = VMUL(LDK(KP575140729), VFMA(LDK(KP904176221), T1n, T1m));
					T1g = VMUL(LDK(KP575140729), VFMA(LDK(KP904176221), T1f, T1e));
					T1i = VMUL(LDK(KP575140729), VFNMS(LDK(KP904176221), T1f, T1e));
					ST(&(xo[WS(os, 12)]), VFNMSI(T16, T11), ovs, &(xo[0]));
					ST(&(xo[WS(os, 1)]), VFMAI(T16, T11), ovs, &(xo[WS(os, 1)]));
					ST(&(xo[WS(os, 8)]), VFMAI(T10, TJ), ovs, &(xo[0]));
					ST(&(xo[WS(os, 5)]), VFNMSI(T10, TJ), ovs, &(xo[WS(os, 1)]));
					T1d = VFNMS(LDK(KP503537032), T1c, T19);
					T1h = VFMA(LDK(KP503537032), T1c, T19);
					T1l = VFNMS(LDK(KP503537032), T1k, T1j);
					T1p = VFMA(LDK(KP503537032), T1k, T1j);
				   }
				   ST(&(xo[WS(os, 9)]), VFMAI(T1g, T1d), ovs, &(xo[WS(os, 1)]));
				   ST(&(xo[WS(os, 4)]), VFNMSI(T1g, T1d), ovs, &(xo[0]));
				   ST(&(xo[WS(os, 10)]), VFNMSI(T1i, T1h), ovs, &(xo[0]));
				   ST(&(xo[WS(os, 3)]), VFMAI(T1i, T1h), ovs, &(xo[WS(os, 1)]));
				   ST(&(xo[WS(os, 7)]), VFMAI(T1o, T1l), ovs, &(xo[WS(os, 1)]));
				   ST(&(xo[WS(os, 6)]), VFNMSI(T1o, T1l), ovs, &(xo[0]));
				   ST(&(xo[WS(os, 11)]), VFMAI(T1q, T1p), ovs, &(xo[WS(os, 1)]));
				   ST(&(xo[WS(os, 2)]), VFNMSI(T1q, T1p), ovs, &(xo[0]));
			      }
			 }
		    }