WebSVN - shark - Blame - Rev 3 - /shark/trunk/ports/fftw/rfftw/frc

Rev	Author	Line No.	Line
2	pj	1	/*
		2	* Copyright (c) 1997-1999 Massachusetts Institute of Technology
		3	*
		4	* This program is free software; you can redistribute it and/or modify
		5	* it under the terms of the GNU General Public License as published by
		6	* the Free Software Foundation; either version 2 of the License, or
		7	* (at your option) any later version.
		8	*
		9	* This program is distributed in the hope that it will be useful,
		10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
		11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		12	* GNU General Public License for more details.
		13	*
		14	* You should have received a copy of the GNU General Public License
		15	* along with this program; if not, write to the Free Software
		16	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
		17	*
		18	*/
		19
		20	/* This file was automatically generated --- DO NOT EDIT */
		21	/* Generated on Tue May 18 13:54:39 EDT 1999 */
		22
		23	#include <ports/fftw-int.h>
		24	#include <ports/fftw.h>
		25
		26	/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 15 */
		27
		28	/*
		29	* This function contains 64 FP additions, 25 FP multiplications,
		30	* (or, 50 additions, 11 multiplications, 14 fused multiply/add),
		31	* 40 stack variables, and 30 memory accesses
		32	*/
		33	static const fftw_real K509036960 = FFTW_KONST(+0.509036960455127183450980863393907648510733164);
		34	static const fftw_real K823639103 = FFTW_KONST(+0.823639103546331925877420039278190003029660514);
		35	static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
		36	static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
		37	static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
		38	static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
		39	static const fftw_real K484122918 = FFTW_KONST(+0.484122918275927110647408174972799951354115213);
		40	static const fftw_real K216506350 = FFTW_KONST(+0.216506350946109661690930792688234045867850657);
		41	static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
		42	static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
		43
		44	/*
		45	* Generator Id's :
		46	* $Id: frc_15.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
		47	* $Id: frc_15.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
		48	* $Id: frc_15.c,v 1.1.1.1 2002-03-29 14:12:58 pj Exp $
		49	*/
		50
		51	void fftw_real2hc_15(const fftw_real input, fftw_real real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)
		52	{
		53	fftw_real tmp3;
		54	fftw_real tmp53;
		55	fftw_real tmp47;
		56	fftw_real tmp39;
		57	fftw_real tmp40;
		58	fftw_real tmp10;
		59	fftw_real tmp17;
		60	fftw_real tmp18;
		61	fftw_real tmp57;
		62	fftw_real tmp58;
		63	fftw_real tmp59;
		64	fftw_real tmp31;
		65	fftw_real tmp34;
		66	fftw_real tmp43;
		67	fftw_real tmp54;
		68	fftw_real tmp55;
		69	fftw_real tmp56;
		70	fftw_real tmp24;
		71	fftw_real tmp27;
		72	fftw_real tmp42;
		73	ASSERT_ALIGNED_DOUBLE();
		74	{
		75	fftw_real tmp45;
		76	fftw_real tmp1;
		77	fftw_real tmp2;
		78	fftw_real tmp46;
		79	ASSERT_ALIGNED_DOUBLE();
		80	tmp45 = input[0];
		81	tmp1 = input[10 * istride];
		82	tmp2 = input[5 * istride];
		83	tmp46 = tmp2 + tmp1;
		84	tmp3 = tmp1 - tmp2;
		85	tmp53 = tmp45 + tmp46;
		86	tmp47 = tmp45 - (K500000000 * tmp46);
		87	}
		88	{
		89	fftw_real tmp22;
		90	fftw_real tmp29;
		91	fftw_real tmp32;
		92	fftw_real tmp6;
		93	fftw_real tmp23;
		94	fftw_real tmp25;
		95	fftw_real tmp16;
		96	fftw_real tmp33;
		97	fftw_real tmp9;
		98	fftw_real tmp26;
		99	fftw_real tmp13;
		100	fftw_real tmp30;
		101	ASSERT_ALIGNED_DOUBLE();
		102	{
		103	fftw_real tmp4;
		104	fftw_real tmp5;
		105	fftw_real tmp14;
		106	fftw_real tmp15;
		107	ASSERT_ALIGNED_DOUBLE();
		108	tmp22 = input[3 * istride];
		109	tmp29 = input[6 * istride];
		110	tmp32 = input[9 * istride];
		111	tmp4 = input[13 * istride];
		112	tmp5 = input[8 * istride];
		113	tmp6 = tmp4 - tmp5;
		114	tmp23 = tmp5 + tmp4;
		115	tmp25 = input[12 * istride];
		116	tmp14 = input[4 * istride];
		117	tmp15 = input[14 * istride];
		118	tmp16 = tmp14 - tmp15;
		119	tmp33 = tmp15 + tmp14;
		120	{
		121	fftw_real tmp7;
		122	fftw_real tmp8;
		123	fftw_real tmp11;
		124	fftw_real tmp12;
		125	ASSERT_ALIGNED_DOUBLE();
		126	tmp7 = input[7 * istride];
		127	tmp8 = input[2 * istride];
		128	tmp9 = tmp7 - tmp8;
		129	tmp26 = tmp8 + tmp7;
		130	tmp11 = input[istride];
		131	tmp12 = input[11 * istride];
		132	tmp13 = tmp11 - tmp12;
		133	tmp30 = tmp12 + tmp11;
		134	}
		135	}
		136	tmp39 = tmp6 - tmp9;
		137	tmp40 = tmp13 - tmp16;
		138	tmp10 = tmp6 + tmp9;
		139	tmp17 = tmp13 + tmp16;
		140	tmp18 = tmp10 + tmp17;
		141	tmp57 = tmp29 + tmp30;
		142	tmp58 = tmp32 + tmp33;
		143	tmp59 = tmp57 + tmp58;
		144	tmp31 = tmp29 - (K500000000 * tmp30);
		145	tmp34 = tmp32 - (K500000000 * tmp33);
		146	tmp43 = tmp31 + tmp34;
		147	tmp54 = tmp22 + tmp23;
		148	tmp55 = tmp25 + tmp26;
		149	tmp56 = tmp54 + tmp55;
		150	tmp24 = tmp22 - (K500000000 * tmp23);
		151	tmp27 = tmp25 - (K500000000 * tmp26);
		152	tmp42 = tmp24 + tmp27;
		153	}
		154	imag_output[5 * imag_ostride] = -(K866025403 * (tmp3 + tmp18));
		155	{
		156	fftw_real tmp21;
		157	fftw_real tmp37;
		158	fftw_real tmp36;
		159	fftw_real tmp38;
		160	ASSERT_ALIGNED_DOUBLE();
		161	{
		162	fftw_real tmp19;
		163	fftw_real tmp20;
		164	fftw_real tmp28;
		165	fftw_real tmp35;
		166	ASSERT_ALIGNED_DOUBLE();
		167	tmp19 = (K866025403 * tmp3) - (K216506350 * tmp18);
		168	tmp20 = K484122918 * (tmp10 - tmp17);
		169	tmp21 = tmp19 + tmp20;
		170	tmp37 = tmp20 - tmp19;
		171	tmp28 = tmp24 - tmp27;
		172	tmp35 = tmp31 - tmp34;
		173	tmp36 = (K951056516 * tmp28) + (K587785252 * tmp35);
		174	tmp38 = (K951056516 * tmp35) - (K587785252 * tmp28);
		175	}
		176	imag_output[imag_ostride] = tmp21 - tmp36;
		177	imag_output[4 * imag_ostride] = tmp21 + tmp36;
		178	imag_output[2 * imag_ostride] = tmp37 + tmp38;
		179	imag_output[7 * imag_ostride] = tmp38 - tmp37;
		180	}
		181	{
		182	fftw_real tmp63;
		183	fftw_real tmp64;
		184	fftw_real tmp62;
		185	fftw_real tmp60;
		186	fftw_real tmp61;
		187	ASSERT_ALIGNED_DOUBLE();
		188	tmp63 = tmp54 - tmp55;
		189	tmp64 = tmp57 - tmp58;
		190	imag_output[3 * imag_ostride] = (K587785252 * tmp63) - (K951056516 * tmp64);
		191	imag_output[6 * imag_ostride] = -((K951056516 * tmp63) + (K587785252 * tmp64));
		192	tmp62 = K559016994 * (tmp56 - tmp59);
		193	tmp60 = tmp56 + tmp59;
		194	tmp61 = tmp53 - (K250000000 * tmp60);
		195	real_output[3 * real_ostride] = tmp61 - tmp62;
		196	real_output[6 * real_ostride] = tmp62 + tmp61;
		197	real_output[0] = tmp53 + tmp60;
		198	{
		199	fftw_real tmp41;
		200	fftw_real tmp52;
		201	fftw_real tmp44;
		202	fftw_real tmp48;
		203	fftw_real tmp49;
		204	fftw_real tmp51;
		205	fftw_real tmp50;
		206	ASSERT_ALIGNED_DOUBLE();
		207	tmp41 = (K823639103 * tmp39) + (K509036960 * tmp40);
		208	tmp52 = (K509036960 * tmp39) - (K823639103 * tmp40);
		209	tmp44 = K559016994 * (tmp42 - tmp43);
		210	tmp48 = tmp42 + tmp43;
		211	tmp49 = tmp47 - (K250000000 * tmp48);
		212	real_output[5 * real_ostride] = tmp47 + tmp48;
		213	tmp51 = tmp49 - tmp44;
		214	real_output[2 * real_ostride] = tmp51 - tmp52;
		215	real_output[7 * real_ostride] = tmp52 + tmp51;
		216	tmp50 = tmp44 + tmp49;
		217	real_output[real_ostride] = tmp41 + tmp50;
		218	real_output[4 * real_ostride] = tmp50 - tmp41;
		219	}
		220	}
		221	}
		222
		223	fftw_codelet_desc fftw_real2hc_15_desc =
		224	{
		225	"fftw_real2hc_15",
		226	(void (*)()) fftw_real2hc_15,
		227	15,
		228	FFTW_FORWARD,
		229	FFTW_REAL2HC,
		230	332,
		231	0,
		232	(const int *) 0,
		233	};

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