WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/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 13:54:36 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 -real2hc 13 */
		27
		28	/*
		29	* This function contains 76 FP additions, 34 FP multiplications,
		30	* (or, 57 additions, 15 multiplications, 19 fused multiply/add),
		31	* 34 stack variables, and 26 memory accesses
		32	*/
		33	static const fftw_real K083333333 = FFTW_KONST(+0.083333333333333333333333333333333333333333333);
		34	static const fftw_real K075902986 = FFTW_KONST(+0.075902986037193865983102897245103540356428373);
		35	static const fftw_real K251768516 = FFTW_KONST(+0.251768516431883313623436926934233488546674281);
		36	static const fftw_real K503537032 = FFTW_KONST(+0.503537032863766627246873853868466977093348562);
		37	static const fftw_real K113854479 = FFTW_KONST(+0.113854479055790798974654345867655310534642560);
		38	static const fftw_real K265966249 = FFTW_KONST(+0.265966249214837287587521063842185948798330267);
		39	static const fftw_real K387390585 = FFTW_KONST(+0.387390585467617292130675966426762851778775217);
		40	static const fftw_real K300462606 = FFTW_KONST(+0.300462606288665774426601772289207995520941381);
		41	static const fftw_real K258260390 = FFTW_KONST(+0.258260390311744861420450644284508567852516811);
		42	static const fftw_real K132983124 = FFTW_KONST(+0.132983124607418643793760531921092974399165133);
		43	static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
		44	static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);
		45	static const fftw_real K156891391 = FFTW_KONST(+0.156891391051584611046832726756003269660212636);
		46	static const fftw_real K256247671 = FFTW_KONST(+0.256247671582936600958684654061725059144125175);
		47	static const fftw_real K011599105 = FFTW_KONST(+0.011599105605768290721655456654083252189827041);
		48	static const fftw_real K300238635 = FFTW_KONST(+0.300238635966332641462884626667381504676006424);
		49	static const fftw_real K174138601 = FFTW_KONST(+0.174138601152135905005660794929264742616964676);
		50	static const fftw_real K575140729 = FFTW_KONST(+0.575140729474003121368385547455453388461001608);
		51	static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
		52	static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
		53
		54	/*
		55	* Generator Id's :
107	pj	56	* $Id: frc_13.c,v 1.2 2003-03-24 11:14:58 pj Exp $
		57	* $Id: frc_13.c,v 1.2 2003-03-24 11:14:58 pj Exp $
		58	* $Id: frc_13.c,v 1.2 2003-03-24 11:14:58 pj Exp $
2	pj	59	*/
		60
		61	void fftw_real2hc_13(const fftw_real input, fftw_real real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)
		62	{
		63	fftw_real tmp65;
		64	fftw_real tmp11;
		65	fftw_real tmp28;
		66	fftw_real tmp37;
		67	fftw_real tmp51;
		68	fftw_real tmp62;
		69	fftw_real tmp22;
		70	fftw_real tmp58;
		71	fftw_real tmp59;
		72	fftw_real tmp66;
		73	fftw_real tmp56;
		74	fftw_real tmp63;
		75	fftw_real tmp35;
		76	fftw_real tmp38;
		77	ASSERT_ALIGNED_DOUBLE();
		78	tmp65 = input[0];
		79	{
		80	fftw_real tmp3;
		81	fftw_real tmp53;
		82	fftw_real tmp21;
		83	fftw_real tmp30;
		84	fftw_real tmp26;
		85	fftw_real tmp16;
		86	fftw_real tmp29;
		87	fftw_real tmp25;
		88	fftw_real tmp6;
		89	fftw_real tmp32;
		90	fftw_real tmp9;
		91	fftw_real tmp33;
		92	fftw_real tmp10;
		93	fftw_real tmp54;
		94	fftw_real tmp1;
		95	fftw_real tmp2;
		96	ASSERT_ALIGNED_DOUBLE();
		97	tmp1 = input[8 * istride];
		98	tmp2 = input[5 * istride];
		99	tmp3 = tmp1 - tmp2;
		100	tmp53 = tmp1 + tmp2;
		101	{
		102	fftw_real tmp17;
		103	fftw_real tmp18;
		104	fftw_real tmp19;
		105	fftw_real tmp20;
		106	ASSERT_ALIGNED_DOUBLE();
		107	tmp17 = input[12 * istride];
		108	tmp18 = input[4 * istride];
		109	tmp19 = input[10 * istride];
		110	tmp20 = tmp18 + tmp19;
		111	tmp21 = tmp17 + tmp20;
		112	tmp30 = tmp17 - (K500000000 * tmp20);
		113	tmp26 = tmp18 - tmp19;
		114	}
		115	{
		116	fftw_real tmp12;
		117	fftw_real tmp13;
		118	fftw_real tmp14;
		119	fftw_real tmp15;
		120	ASSERT_ALIGNED_DOUBLE();
		121	tmp12 = input[istride];
		122	tmp13 = input[3 * istride];
		123	tmp14 = input[9 * istride];
		124	tmp15 = tmp13 + tmp14;
		125	tmp16 = tmp12 + tmp15;
		126	tmp29 = tmp12 - (K500000000 * tmp15);
		127	tmp25 = tmp13 - tmp14;
		128	}
		129	{
		130	fftw_real tmp4;
		131	fftw_real tmp5;
		132	fftw_real tmp7;
		133	fftw_real tmp8;
		134	ASSERT_ALIGNED_DOUBLE();
		135	tmp4 = input[6 * istride];
		136	tmp5 = input[11 * istride];
		137	tmp6 = tmp4 - tmp5;
		138	tmp32 = tmp4 + tmp5;
		139	tmp7 = input[2 * istride];
		140	tmp8 = input[7 * istride];
		141	tmp9 = tmp7 - tmp8;
		142	tmp33 = tmp7 + tmp8;
		143	}
		144	tmp10 = tmp6 + tmp9;
		145	tmp54 = tmp32 + tmp33;
		146	tmp11 = tmp3 - tmp10;
		147	{
		148	fftw_real tmp24;
		149	fftw_real tmp27;
		150	fftw_real tmp49;
		151	fftw_real tmp50;
		152	ASSERT_ALIGNED_DOUBLE();
		153	tmp24 = tmp3 + (K500000000 * tmp10);
		154	tmp27 = K866025403 * (tmp25 + tmp26);
		155	tmp28 = tmp24 - tmp27;
		156	tmp37 = tmp27 + tmp24;
		157	tmp49 = tmp9 - tmp6;
		158	tmp50 = tmp25 - tmp26;
		159	tmp51 = tmp49 - tmp50;
		160	tmp62 = tmp50 + tmp49;
		161	}
		162	tmp22 = tmp16 - tmp21;
		163	tmp58 = tmp16 + tmp21;
		164	tmp59 = tmp53 + tmp54;
		165	tmp66 = tmp58 + tmp59;
		166	{
		167	fftw_real tmp52;
		168	fftw_real tmp55;
		169	fftw_real tmp31;
		170	fftw_real tmp34;
		171	ASSERT_ALIGNED_DOUBLE();
		172	tmp52 = tmp29 + tmp30;
		173	tmp55 = tmp53 - (K500000000 * tmp54);
		174	tmp56 = tmp52 - tmp55;
		175	tmp63 = tmp52 + tmp55;
		176	tmp31 = tmp29 - tmp30;
		177	tmp34 = K866025403 * (tmp32 - tmp33);
		178	tmp35 = tmp31 + tmp34;
		179	tmp38 = tmp31 - tmp34;
		180	}
		181	}
		182	real_output[0] = tmp65 + tmp66;
		183	{
		184	fftw_real tmp23;
		185	fftw_real tmp45;
		186	fftw_real tmp40;
		187	fftw_real tmp48;
		188	fftw_real tmp44;
		189	fftw_real tmp46;
		190	fftw_real tmp41;
		191	fftw_real tmp47;
		192	ASSERT_ALIGNED_DOUBLE();
		193	tmp23 = (K575140729 * tmp11) - (K174138601 * tmp22);
		194	tmp45 = (K575140729 * tmp22) + (K174138601 * tmp11);
		195	{
		196	fftw_real tmp36;
		197	fftw_real tmp39;
		198	fftw_real tmp42;
		199	fftw_real tmp43;
		200	ASSERT_ALIGNED_DOUBLE();
		201	tmp36 = (K300238635 * tmp28) + (K011599105 * tmp35);
		202	tmp39 = (K256247671 * tmp37) + (K156891391 * tmp38);
		203	tmp40 = tmp36 - tmp39;
		204	tmp48 = K1_732050807 * (tmp39 + tmp36);
		205	tmp42 = (K300238635 * tmp35) - (K011599105 * tmp28);
		206	tmp43 = (K156891391 * tmp37) - (K256247671 * tmp38);
		207	tmp44 = K1_732050807 * (tmp42 - tmp43);
		208	tmp46 = tmp43 + tmp42;
		209	}
		210	imag_output[imag_ostride] = tmp23 + (K2_000000000 * tmp40);
		211	tmp41 = tmp23 - tmp40;
		212	imag_output[3 * imag_ostride] = tmp41 - tmp44;
		213	imag_output[4 * imag_ostride] = -(tmp41 + tmp44);
		214	imag_output[5 * imag_ostride] = -(tmp45 + (K2_000000000 * tmp46));
		215	tmp47 = tmp46 - tmp45;
		216	imag_output[2 * imag_ostride] = tmp47 - tmp48;
		217	imag_output[6 * imag_ostride] = tmp48 + tmp47;
		218	}
		219	{
		220	fftw_real tmp61;
		221	fftw_real tmp70;
		222	fftw_real tmp74;
		223	fftw_real tmp76;
		224	fftw_real tmp68;
		225	fftw_real tmp69;
		226	fftw_real tmp57;
		227	fftw_real tmp60;
		228	fftw_real tmp71;
		229	fftw_real tmp75;
		230	ASSERT_ALIGNED_DOUBLE();
		231	tmp57 = (K132983124 * tmp51) + (K258260390 * tmp56);
		232	tmp60 = K300462606 * (tmp58 - tmp59);
		233	tmp61 = (K2_000000000 * tmp57) + tmp60;
		234	tmp70 = tmp60 - tmp57;
		235	{
		236	fftw_real tmp72;
		237	fftw_real tmp73;
		238	fftw_real tmp64;
		239	fftw_real tmp67;
		240	ASSERT_ALIGNED_DOUBLE();
		241	tmp72 = (K387390585 * tmp51) - (K265966249 * tmp56);
		242	tmp73 = (K113854479 * tmp62) - (K503537032 * tmp63);
		243	tmp74 = tmp72 + tmp73;
		244	tmp76 = tmp73 - tmp72;
		245	tmp64 = (K251768516 * tmp62) + (K075902986 * tmp63);
		246	tmp67 = tmp65 - (K083333333 * tmp66);
		247	tmp68 = (K2_000000000 * tmp64) + tmp67;
		248	tmp69 = tmp67 - tmp64;
		249	}
		250	real_output[real_ostride] = tmp61 + tmp68;
		251	real_output[5 * real_ostride] = tmp68 - tmp61;
		252	tmp71 = tmp69 - tmp70;
		253	real_output[2 * real_ostride] = tmp71 - tmp74;
		254	real_output[6 * real_ostride] = tmp74 + tmp71;
		255	tmp75 = tmp70 + tmp69;
		256	real_output[3 * real_ostride] = tmp75 - tmp76;
		257	real_output[4 * real_ostride] = tmp76 + tmp75;
		258	}
		259	}
		260
		261	fftw_codelet_desc fftw_real2hc_13_desc =
		262	{
		263	"fftw_real2hc_13",
		264	(void (*)()) fftw_real2hc_13,
		265	13,
		266	FFTW_FORWARD,
		267	FFTW_REAL2HC,
		268	288,
		269	0,
		270	(const int *) 0,
		271	};

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