diff options
Diffstat (limited to 'src/sndobj/rfftw/frc_9.c')
| -rw-r--r-- | src/sndobj/rfftw/frc_9.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/sndobj/rfftw/frc_9.c b/src/sndobj/rfftw/frc_9.c new file mode 100644 index 0000000..1e9b2e4 --- /dev/null +++ b/src/sndobj/rfftw/frc_9.c @@ -0,0 +1,146 @@ +/*
+ * Copyright (c) 1997-1999 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 Sun Nov 7 20:43:55 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -real2hc 9 */
+
+/*
+ * This function contains 38 FP additions, 26 FP multiplications,
+ * (or, 29 additions, 17 multiplications, 9 fused multiply/add),
+ * 21 stack variables, and 18 memory accesses
+ */
+static const fftw_real K342020143 = FFTW_KONST(+0.342020143325668733044099614682259580763083368);
+static const fftw_real K813797681 = FFTW_KONST(+0.813797681349373692844693217248393223289101568);
+static const fftw_real K939692620 = FFTW_KONST(+0.939692620785908384054109277324731469936208134);
+static const fftw_real K296198132 = FFTW_KONST(+0.296198132726023843175338011893050938967728390);
+static const fftw_real K852868531 = FFTW_KONST(+0.852868531952443209628250963940074071936020296);
+static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677);
+static const fftw_real K556670399 = FFTW_KONST(+0.556670399226419366452912952047023132968291906);
+static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457);
+static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252);
+static const fftw_real K150383733 = FFTW_KONST(+0.150383733180435296639271897612501926072238258);
+static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884);
+static const fftw_real K663413948 = FFTW_KONST(+0.663413948168938396205421319635891297216863310);
+static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
+static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
+
+/*
+ * Generator Id's :
+ * $Id: frc_9.c,v 1.1.1.1 2006/05/12 15:15:02 veplaini Exp $
+ * $Id: frc_9.c,v 1.1.1.1 2006/05/12 15:15:02 veplaini Exp $
+ * $Id: frc_9.c,v 1.1.1.1 2006/05/12 15:15:02 veplaini Exp $
+ */
+
+void fftw_real2hc_9(const fftw_real *input, fftw_real *real_output, fftw_real *imag_output, int istride, int real_ostride, int imag_ostride)
+{
+ fftw_real tmp1;
+ fftw_real tmp15;
+ fftw_real tmp20;
+ fftw_real tmp19;
+ fftw_real tmp4;
+ fftw_real tmp27;
+ fftw_real tmp10;
+ fftw_real tmp18;
+ fftw_real tmp21;
+ fftw_real tmp2;
+ fftw_real tmp3;
+ fftw_real tmp5;
+ fftw_real tmp16;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp1 = input[0];
+ {
+ fftw_real tmp11;
+ fftw_real tmp12;
+ fftw_real tmp13;
+ fftw_real tmp14;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp11 = input[2 * istride];
+ tmp12 = input[5 * istride];
+ tmp13 = input[8 * istride];
+ tmp14 = tmp12 + tmp13;
+ tmp15 = tmp11 + tmp14;
+ tmp20 = tmp11 - (K500000000 * tmp14);
+ tmp19 = tmp13 - tmp12;
+ }
+ tmp2 = input[3 * istride];
+ tmp3 = input[6 * istride];
+ tmp4 = tmp2 + tmp3;
+ tmp27 = tmp3 - tmp2;
+ {
+ fftw_real tmp6;
+ fftw_real tmp7;
+ fftw_real tmp8;
+ fftw_real tmp9;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp6 = input[istride];
+ tmp7 = input[4 * istride];
+ tmp8 = input[7 * istride];
+ tmp9 = tmp7 + tmp8;
+ tmp10 = tmp6 + tmp9;
+ tmp18 = tmp6 - (K500000000 * tmp9);
+ tmp21 = tmp8 - tmp7;
+ }
+ imag_output[3 * imag_ostride] = K866025403 * (tmp15 - tmp10);
+ tmp5 = tmp1 + tmp4;
+ tmp16 = tmp10 + tmp15;
+ real_output[3 * real_ostride] = tmp5 - (K500000000 * tmp16);
+ real_output[0] = tmp5 + tmp16;
+ {
+ fftw_real tmp29;
+ fftw_real tmp25;
+ fftw_real tmp26;
+ fftw_real tmp28;
+ fftw_real tmp17;
+ fftw_real tmp22;
+ fftw_real tmp23;
+ fftw_real tmp24;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp29 = K866025403 * tmp27;
+ tmp25 = (K663413948 * tmp21) - (K642787609 * tmp18);
+ tmp26 = (K150383733 * tmp19) - (K984807753 * tmp20);
+ tmp28 = tmp25 + tmp26;
+ tmp17 = tmp1 - (K500000000 * tmp4);
+ tmp22 = (K766044443 * tmp18) + (K556670399 * tmp21);
+ tmp23 = (K173648177 * tmp20) + (K852868531 * tmp19);
+ tmp24 = tmp22 + tmp23;
+ real_output[real_ostride] = tmp17 + tmp24;
+ real_output[4 * real_ostride] = tmp17 + (K866025403 * (tmp25 - tmp26)) - (K500000000 * tmp24);
+ real_output[2 * real_ostride] = tmp17 + (K173648177 * tmp18) - (K296198132 * tmp19) - (K939692620 * tmp20) - (K852868531 * tmp21);
+ imag_output[imag_ostride] = tmp29 + tmp28;
+ imag_output[4 * imag_ostride] = (K866025403 * (tmp27 + (tmp23 - tmp22))) - (K500000000 * tmp28);
+ imag_output[2 * imag_ostride] = (K813797681 * tmp19) - (K342020143 * tmp20) - (K150383733 * tmp21) - (K984807753 * tmp18) - tmp29;
+ }
+}
+
+fftw_codelet_desc fftw_real2hc_9_desc =
+{
+ "fftw_real2hc_9",
+ (void (*)()) fftw_real2hc_9,
+ 9,
+ FFTW_FORWARD,
+ FFTW_REAL2HC,
+ 200,
+ 0,
+ (const int *) 0,
+};
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