WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/ports/fftw/fftw/fn

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 13:54:28 EDT 1999 */
		22
107	pj	23	#include <fftw-int.h>
		24	#include <fftw.h>
2	pj	25
		26	/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 12 */
		27
		28	/*
		29	* This function contains 96 FP additions, 16 FP multiplications,
		30	* (or, 88 additions, 8 multiplications, 8 fused multiply/add),
		31	* 40 stack variables, and 48 memory accesses
		32	*/
		33	static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
		34	static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
		35
		36	/*
		37	* Generator Id's :
107	pj	38	* $Id: fn_12.c,v 1.2 2003-03-24 11:14:50 pj Exp $
		39	* $Id: fn_12.c,v 1.2 2003-03-24 11:14:50 pj Exp $
		40	* $Id: fn_12.c,v 1.2 2003-03-24 11:14:50 pj Exp $
2	pj	41	*/
		42
		43	void fftw_no_twiddle_12(const fftw_complex input, fftw_complex output, int istride, int ostride)
		44	{
		45	fftw_real tmp5;
		46	fftw_real tmp53;
		47	fftw_real tmp36;
		48	fftw_real tmp28;
		49	fftw_real tmp35;
		50	fftw_real tmp54;
		51	fftw_real tmp10;
		52	fftw_real tmp56;
		53	fftw_real tmp39;
		54	fftw_real tmp33;
		55	fftw_real tmp38;
		56	fftw_real tmp57;
		57	fftw_real tmp16;
		58	fftw_real tmp42;
		59	fftw_real tmp72;
		60	fftw_real tmp45;
		61	fftw_real tmp92;
		62	fftw_real tmp75;
		63	fftw_real tmp21;
		64	fftw_real tmp47;
		65	fftw_real tmp77;
		66	fftw_real tmp50;
		67	fftw_real tmp93;
		68	fftw_real tmp80;
		69	ASSERT_ALIGNED_DOUBLE();
		70	{
		71	fftw_real tmp1;
		72	fftw_real tmp2;
		73	fftw_real tmp3;
		74	fftw_real tmp4;
		75	ASSERT_ALIGNED_DOUBLE();
		76	tmp1 = c_re(input[0]);
		77	tmp2 = c_re(input[4 * istride]);
		78	tmp3 = c_re(input[8 * istride]);
		79	tmp4 = tmp2 + tmp3;
		80	tmp5 = tmp1 + tmp4;
		81	tmp53 = tmp1 - (K500000000 * tmp4);
		82	tmp36 = K866025403 * (tmp3 - tmp2);
		83	}
		84	{
		85	fftw_real tmp24;
		86	fftw_real tmp25;
		87	fftw_real tmp26;
		88	fftw_real tmp27;
		89	ASSERT_ALIGNED_DOUBLE();
		90	tmp24 = c_im(input[0]);
		91	tmp25 = c_im(input[4 * istride]);
		92	tmp26 = c_im(input[8 * istride]);
		93	tmp27 = tmp25 + tmp26;
		94	tmp28 = tmp24 + tmp27;
		95	tmp35 = tmp24 - (K500000000 * tmp27);
		96	tmp54 = K866025403 * (tmp25 - tmp26);
		97	}
		98	{
		99	fftw_real tmp6;
		100	fftw_real tmp7;
		101	fftw_real tmp8;
		102	fftw_real tmp9;
		103	ASSERT_ALIGNED_DOUBLE();
		104	tmp6 = c_re(input[6 * istride]);
		105	tmp7 = c_re(input[10 * istride]);
		106	tmp8 = c_re(input[2 * istride]);
		107	tmp9 = tmp7 + tmp8;
		108	tmp10 = tmp6 + tmp9;
		109	tmp56 = tmp6 - (K500000000 * tmp9);
		110	tmp39 = K866025403 * (tmp8 - tmp7);
		111	}
		112	{
		113	fftw_real tmp29;
		114	fftw_real tmp30;
		115	fftw_real tmp31;
		116	fftw_real tmp32;
		117	ASSERT_ALIGNED_DOUBLE();
		118	tmp29 = c_im(input[6 * istride]);
		119	tmp30 = c_im(input[10 * istride]);
		120	tmp31 = c_im(input[2 * istride]);
		121	tmp32 = tmp30 + tmp31;
		122	tmp33 = tmp29 + tmp32;
		123	tmp38 = tmp29 - (K500000000 * tmp32);
		124	tmp57 = K866025403 * (tmp30 - tmp31);
		125	}
		126	{
		127	fftw_real tmp12;
		128	fftw_real tmp13;
		129	fftw_real tmp14;
		130	fftw_real tmp15;
		131	ASSERT_ALIGNED_DOUBLE();
		132	tmp12 = c_re(input[3 * istride]);
		133	tmp13 = c_re(input[7 * istride]);
		134	tmp14 = c_re(input[11 * istride]);
		135	tmp15 = tmp13 + tmp14;
		136	tmp16 = tmp12 + tmp15;
		137	tmp42 = tmp12 - (K500000000 * tmp15);
		138	tmp72 = K866025403 * (tmp14 - tmp13);
		139	}
		140	{
		141	fftw_real tmp73;
		142	fftw_real tmp43;
		143	fftw_real tmp44;
		144	fftw_real tmp74;
		145	ASSERT_ALIGNED_DOUBLE();
		146	tmp73 = c_im(input[3 * istride]);
		147	tmp43 = c_im(input[7 * istride]);
		148	tmp44 = c_im(input[11 * istride]);
		149	tmp74 = tmp43 + tmp44;
		150	tmp45 = K866025403 * (tmp43 - tmp44);
		151	tmp92 = tmp73 + tmp74;
		152	tmp75 = tmp73 - (K500000000 * tmp74);
		153	}
		154	{
		155	fftw_real tmp17;
		156	fftw_real tmp18;
		157	fftw_real tmp19;
		158	fftw_real tmp20;
		159	ASSERT_ALIGNED_DOUBLE();
		160	tmp17 = c_re(input[9 * istride]);
		161	tmp18 = c_re(input[istride]);
		162	tmp19 = c_re(input[5 * istride]);
		163	tmp20 = tmp18 + tmp19;
		164	tmp21 = tmp17 + tmp20;
		165	tmp47 = tmp17 - (K500000000 * tmp20);
		166	tmp77 = K866025403 * (tmp19 - tmp18);
		167	}
		168	{
		169	fftw_real tmp78;
		170	fftw_real tmp48;
		171	fftw_real tmp49;
		172	fftw_real tmp79;
		173	ASSERT_ALIGNED_DOUBLE();
		174	tmp78 = c_im(input[9 * istride]);
		175	tmp48 = c_im(input[istride]);
		176	tmp49 = c_im(input[5 * istride]);
		177	tmp79 = tmp48 + tmp49;
		178	tmp50 = K866025403 * (tmp48 - tmp49);
		179	tmp93 = tmp78 + tmp79;
		180	tmp80 = tmp78 - (K500000000 * tmp79);
		181	}
		182	{
		183	fftw_real tmp11;
		184	fftw_real tmp22;
		185	fftw_real tmp23;
		186	fftw_real tmp34;
		187	ASSERT_ALIGNED_DOUBLE();
		188	tmp11 = tmp5 + tmp10;
		189	tmp22 = tmp16 + tmp21;
		190	c_re(output[6 * ostride]) = tmp11 - tmp22;
		191	c_re(output[0]) = tmp11 + tmp22;
		192	{
		193	fftw_real tmp91;
		194	fftw_real tmp94;
		195	fftw_real tmp95;
		196	fftw_real tmp96;
		197	ASSERT_ALIGNED_DOUBLE();
		198	tmp91 = tmp5 - tmp10;
		199	tmp94 = tmp92 - tmp93;
		200	c_re(output[3 * ostride]) = tmp91 - tmp94;
		201	c_re(output[9 * ostride]) = tmp91 + tmp94;
		202	tmp95 = tmp28 + tmp33;
		203	tmp96 = tmp92 + tmp93;
		204	c_im(output[6 * ostride]) = tmp95 - tmp96;
		205	c_im(output[0]) = tmp95 + tmp96;
		206	}
		207	tmp23 = tmp16 - tmp21;
		208	tmp34 = tmp28 - tmp33;
		209	c_im(output[3 * ostride]) = tmp23 + tmp34;
		210	c_im(output[9 * ostride]) = tmp34 - tmp23;
		211	{
		212	fftw_real tmp63;
		213	fftw_real tmp83;
		214	fftw_real tmp82;
		215	fftw_real tmp84;
		216	fftw_real tmp66;
		217	fftw_real tmp70;
		218	fftw_real tmp69;
		219	fftw_real tmp71;
		220	ASSERT_ALIGNED_DOUBLE();
		221	{
		222	fftw_real tmp61;
		223	fftw_real tmp62;
		224	fftw_real tmp76;
		225	fftw_real tmp81;
		226	ASSERT_ALIGNED_DOUBLE();
		227	tmp61 = tmp36 + tmp35;
		228	tmp62 = tmp39 + tmp38;
		229	tmp63 = tmp61 - tmp62;
		230	tmp83 = tmp61 + tmp62;
		231	tmp76 = tmp72 + tmp75;
		232	tmp81 = tmp77 + tmp80;
		233	tmp82 = tmp76 - tmp81;
		234	tmp84 = tmp76 + tmp81;
		235	}
		236	{
		237	fftw_real tmp64;
		238	fftw_real tmp65;
		239	fftw_real tmp67;
		240	fftw_real tmp68;
		241	ASSERT_ALIGNED_DOUBLE();
		242	tmp64 = tmp42 + tmp45;
		243	tmp65 = tmp47 + tmp50;
		244	tmp66 = tmp64 - tmp65;
		245	tmp70 = tmp64 + tmp65;
		246	tmp67 = tmp53 + tmp54;
		247	tmp68 = tmp56 + tmp57;
		248	tmp69 = tmp67 + tmp68;
		249	tmp71 = tmp67 - tmp68;
		250	}
		251	c_im(output[ostride]) = tmp63 - tmp66;
		252	c_im(output[7 * ostride]) = tmp63 + tmp66;
		253	c_re(output[10 * ostride]) = tmp69 - tmp70;
		254	c_re(output[4 * ostride]) = tmp69 + tmp70;
		255	c_re(output[7 * ostride]) = tmp71 - tmp82;
		256	c_re(output[ostride]) = tmp71 + tmp82;
		257	c_im(output[10 * ostride]) = tmp83 - tmp84;
		258	c_im(output[4 * ostride]) = tmp83 + tmp84;
		259	}
		260	{
		261	fftw_real tmp41;
		262	fftw_real tmp89;
		263	fftw_real tmp88;
		264	fftw_real tmp90;
		265	fftw_real tmp52;
		266	fftw_real tmp60;
		267	fftw_real tmp59;
		268	fftw_real tmp85;
		269	ASSERT_ALIGNED_DOUBLE();
		270	{
		271	fftw_real tmp37;
		272	fftw_real tmp40;
		273	fftw_real tmp86;
		274	fftw_real tmp87;
		275	ASSERT_ALIGNED_DOUBLE();
		276	tmp37 = tmp35 - tmp36;
		277	tmp40 = tmp38 - tmp39;
		278	tmp41 = tmp37 - tmp40;
		279	tmp89 = tmp37 + tmp40;
		280	tmp86 = tmp75 - tmp72;
		281	tmp87 = tmp80 - tmp77;
		282	tmp88 = tmp86 - tmp87;
		283	tmp90 = tmp86 + tmp87;
		284	}
		285	{
		286	fftw_real tmp46;
		287	fftw_real tmp51;
		288	fftw_real tmp55;
		289	fftw_real tmp58;
		290	ASSERT_ALIGNED_DOUBLE();
		291	tmp46 = tmp42 - tmp45;
		292	tmp51 = tmp47 - tmp50;
		293	tmp52 = tmp46 - tmp51;
		294	tmp60 = tmp46 + tmp51;
		295	tmp55 = tmp53 - tmp54;
		296	tmp58 = tmp56 - tmp57;
		297	tmp59 = tmp55 + tmp58;
		298	tmp85 = tmp55 - tmp58;
		299	}
		300	c_im(output[5 * ostride]) = tmp41 - tmp52;
		301	c_im(output[11 * ostride]) = tmp41 + tmp52;
		302	c_re(output[2 * ostride]) = tmp59 - tmp60;
		303	c_re(output[8 * ostride]) = tmp59 + tmp60;
		304	c_re(output[11 * ostride]) = tmp85 - tmp88;
		305	c_re(output[5 * ostride]) = tmp85 + tmp88;
		306	c_im(output[2 * ostride]) = tmp89 - tmp90;
		307	c_im(output[8 * ostride]) = tmp89 + tmp90;
		308	}
		309	}
		310	}
		311
		312	fftw_codelet_desc fftw_no_twiddle_12_desc =
		313	{
		314	"fftw_no_twiddle_12",
		315	(void (*)()) fftw_no_twiddle_12,
		316	12,
		317	FFTW_FORWARD,
		318	FFTW_NOTW,
		319	265,
		320	0,
		321	(const int *) 0,
		322	};

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