WebSVN - shark - Blame - Rev 1688 - /shark/trunk/ports/fftw/rfftw/fcr

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 13:55:11 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 -hc2real 15 */
		27
		28	/*
		29	* This function contains 64 FP additions, 31 FP multiplications,
		30	* (or, 47 additions, 14 multiplications, 17 fused multiply/add),
		31	* 36 stack variables, and 30 memory accesses
		32	*/
		33	static const fftw_real K1_118033988 = FFTW_KONST(+1.118033988749894848204586834365638117720309180);
		34	static const fftw_real K1_902113032 = FFTW_KONST(+1.902113032590307144232878666758764286811397268);
		35	static const fftw_real K1_175570504 = FFTW_KONST(+1.175570504584946258337411909278145537195304875);
		36	static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
		37	static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
		38	static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
		39	static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);
		40
		41	/*
		42	* Generator Id's :
107	pj	43	* $Id: fcr_15.c,v 1.2 2003-03-24 11:14:55 pj Exp $
		44	* $Id: fcr_15.c,v 1.2 2003-03-24 11:14:55 pj Exp $
		45	* $Id: fcr_15.c,v 1.2 2003-03-24 11:14:55 pj Exp $
2	pj	46	*/
		47
		48	void fftw_hc2real_15(const fftw_real real_input, const fftw_real imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
		49	{
		50	fftw_real tmp3;
		51	fftw_real tmp30;
		52	fftw_real tmp18;
		53	fftw_real tmp37;
		54	fftw_real tmp61;
		55	fftw_real tmp62;
		56	fftw_real tmp45;
		57	fftw_real tmp40;
		58	fftw_real tmp23;
		59	fftw_real tmp31;
		60	fftw_real tmp42;
		61	fftw_real tmp28;
		62	fftw_real tmp32;
		63	fftw_real tmp8;
		64	fftw_real tmp13;
		65	fftw_real tmp14;
		66	ASSERT_ALIGNED_DOUBLE();
		67	{
		68	fftw_real tmp17;
		69	fftw_real tmp1;
		70	fftw_real tmp2;
		71	fftw_real tmp15;
		72	fftw_real tmp16;
		73	ASSERT_ALIGNED_DOUBLE();
		74	tmp16 = imag_input[5 * imag_istride];
		75	tmp17 = K1_732050807 * tmp16;
		76	tmp1 = real_input[0];
		77	tmp2 = real_input[5 * real_istride];
		78	tmp15 = tmp1 - tmp2;
		79	tmp3 = tmp1 + (K2_000000000 * tmp2);
		80	tmp30 = tmp15 - tmp17;
		81	tmp18 = tmp15 + tmp17;
		82	}
		83	{
		84	fftw_real tmp4;
		85	fftw_real tmp39;
		86	fftw_real tmp5;
		87	fftw_real tmp6;
		88	fftw_real tmp7;
		89	fftw_real tmp22;
		90	fftw_real tmp38;
		91	fftw_real tmp9;
		92	fftw_real tmp44;
		93	fftw_real tmp10;
		94	fftw_real tmp11;
		95	fftw_real tmp12;
		96	fftw_real tmp27;
		97	fftw_real tmp43;
		98	fftw_real tmp19;
		99	fftw_real tmp24;
		100	ASSERT_ALIGNED_DOUBLE();
		101	{
		102	fftw_real tmp20;
		103	fftw_real tmp21;
		104	fftw_real tmp25;
		105	fftw_real tmp26;
		106	ASSERT_ALIGNED_DOUBLE();
		107	tmp4 = real_input[3 * real_istride];
		108	tmp39 = imag_input[3 * imag_istride];
		109	tmp5 = real_input[7 * real_istride];
		110	tmp6 = real_input[2 * real_istride];
		111	tmp7 = tmp5 + tmp6;
		112	tmp20 = imag_input[7 * imag_istride];
		113	tmp21 = imag_input[2 * imag_istride];
		114	tmp22 = K866025403 * (tmp20 - tmp21);
		115	tmp38 = tmp20 + tmp21;
		116	tmp9 = real_input[6 * real_istride];
		117	tmp44 = imag_input[6 * imag_istride];
		118	tmp10 = real_input[4 * real_istride];
		119	tmp11 = real_input[real_istride];
		120	tmp12 = tmp10 + tmp11;
		121	tmp25 = imag_input[4 * imag_istride];
		122	tmp26 = imag_input[imag_istride];
		123	tmp27 = K866025403 * (tmp25 + tmp26);
		124	tmp43 = tmp25 - tmp26;
		125	}
		126	tmp37 = K866025403 * (tmp5 - tmp6);
		127	tmp61 = tmp39 - tmp38;
		128	tmp62 = tmp44 - tmp43;
		129	tmp45 = (K500000000 * tmp43) + tmp44;
		130	tmp40 = (K500000000 * tmp38) + tmp39;
		131	tmp19 = tmp4 - (K500000000 * tmp7);
		132	tmp23 = tmp19 - tmp22;
		133	tmp31 = tmp19 + tmp22;
		134	tmp42 = K866025403 * (tmp10 - tmp11);
		135	tmp24 = tmp9 - (K500000000 * tmp12);
		136	tmp28 = tmp24 - tmp27;
		137	tmp32 = tmp24 + tmp27;
		138	tmp8 = tmp4 + tmp7;
		139	tmp13 = tmp9 + tmp12;
		140	tmp14 = tmp8 + tmp13;
		141	}
		142	output[0] = tmp3 + (K2_000000000 * tmp14);
		143	{
		144	fftw_real tmp63;
		145	fftw_real tmp65;
		146	fftw_real tmp60;
		147	fftw_real tmp64;
		148	fftw_real tmp58;
		149	fftw_real tmp59;
		150	ASSERT_ALIGNED_DOUBLE();
		151	tmp63 = (K1_175570504 * tmp61) - (K1_902113032 * tmp62);
		152	tmp65 = (K1_902113032 * tmp61) + (K1_175570504 * tmp62);
		153	tmp58 = tmp3 - (K500000000 * tmp14);
		154	tmp59 = K1_118033988 * (tmp8 - tmp13);
		155	tmp60 = tmp58 - tmp59;
		156	tmp64 = tmp59 + tmp58;
		157	output[12 * ostride] = tmp60 - tmp63;
		158	output[3 * ostride] = tmp60 + tmp63;
		159	output[6 * ostride] = tmp64 - tmp65;
		160	output[9 * ostride] = tmp64 + tmp65;
		161	}
		162	{
		163	fftw_real tmp51;
		164	fftw_real tmp29;
		165	fftw_real tmp50;
		166	fftw_real tmp55;
		167	fftw_real tmp57;
		168	fftw_real tmp53;
		169	fftw_real tmp54;
		170	fftw_real tmp56;
		171	fftw_real tmp52;
		172	ASSERT_ALIGNED_DOUBLE();
		173	tmp51 = K1_118033988 * (tmp23 - tmp28);
		174	tmp29 = tmp23 + tmp28;
		175	tmp50 = tmp18 - (K500000000 * tmp29);
		176	tmp53 = tmp40 - tmp37;
		177	tmp54 = tmp45 - tmp42;
		178	tmp55 = (K1_175570504 * tmp53) - (K1_902113032 * tmp54);
		179	tmp57 = (K1_902113032 * tmp53) + (K1_175570504 * tmp54);
		180	output[5 * ostride] = tmp18 + (K2_000000000 * tmp29);
		181	tmp56 = tmp51 + tmp50;
		182	output[11 * ostride] = tmp56 - tmp57;
		183	output[14 * ostride] = tmp56 + tmp57;
		184	tmp52 = tmp50 - tmp51;
		185	output[2 * ostride] = tmp52 - tmp55;
		186	output[8 * ostride] = tmp52 + tmp55;
		187	}
		188	{
		189	fftw_real tmp35;
		190	fftw_real tmp33;
		191	fftw_real tmp34;
		192	fftw_real tmp47;
		193	fftw_real tmp49;
		194	fftw_real tmp41;
		195	fftw_real tmp46;
		196	fftw_real tmp48;
		197	fftw_real tmp36;
		198	ASSERT_ALIGNED_DOUBLE();
		199	tmp35 = K1_118033988 * (tmp31 - tmp32);
		200	tmp33 = tmp31 + tmp32;
		201	tmp34 = tmp30 - (K500000000 * tmp33);
		202	tmp41 = tmp37 + tmp40;
		203	tmp46 = tmp42 + tmp45;
		204	tmp47 = (K1_175570504 * tmp41) - (K1_902113032 * tmp46);
		205	tmp49 = (K1_902113032 * tmp41) + (K1_175570504 * tmp46);
		206	output[10 * ostride] = tmp30 + (K2_000000000 * tmp33);
		207	tmp48 = tmp35 + tmp34;
		208	output[ostride] = tmp48 - tmp49;
		209	output[4 * ostride] = tmp48 + tmp49;
		210	tmp36 = tmp34 - tmp35;
		211	output[7 * ostride] = tmp36 - tmp47;
		212	output[13 * ostride] = tmp36 + tmp47;
		213	}
		214	}
		215
		216	fftw_codelet_desc fftw_hc2real_15_desc =
		217	{
		218	"fftw_hc2real_15",
		219	(void (*)()) fftw_hc2real_15,
		220	15,
		221	FFTW_BACKWARD,
		222	FFTW_HC2REAL,
		223	345,
		224	0,
		225	(const int *) 0,
		226	};

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(root)/shark/trunk/ports/fftw/rfftw/fcr_15.c - Rev 1688