diff options
Diffstat (limited to 'sndobj/rfftw/fcr_9.c')
| -rw-r--r-- | sndobj/rfftw/fcr_9.c | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/sndobj/rfftw/fcr_9.c b/sndobj/rfftw/fcr_9.c new file mode 100644 index 0000000..68500ce --- /dev/null +++ b/sndobj/rfftw/fcr_9.c @@ -0,0 +1,155 @@ +/*
+ * 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 20:44:21 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2real 9 */
+
+/*
+ * This function contains 32 FP additions, 18 FP multiplications,
+ * (or, 22 additions, 8 multiplications, 10 fused multiply/add),
+ * 22 stack variables, and 18 memory accesses
+ */
+static const fftw_real K984807753 = FFTW_KONST(+0.984807753012208059366743024589523013670643252);
+static const fftw_real K173648177 = FFTW_KONST(+0.173648177666930348851716626769314796000375677);
+static const fftw_real K300767466 = FFTW_KONST(+0.300767466360870593278543795225003852144476517);
+static const fftw_real K1_705737063 = FFTW_KONST(+1.705737063904886419256501927880148143872040591);
+static const fftw_real K642787609 = FFTW_KONST(+0.642787609686539326322643409907263432907559884);
+static const fftw_real K766044443 = FFTW_KONST(+0.766044443118978035202392650555416673935832457);
+static const fftw_real K1_326827896 = FFTW_KONST(+1.326827896337876792410842639271782594433726619);
+static const fftw_real K1_113340798 = FFTW_KONST(+1.113340798452838732905825904094046265936583811);
+static const fftw_real K500000000 = FFTW_KONST(+0.500000000000000000000000000000000000000000000);
+static const fftw_real K866025403 = FFTW_KONST(+0.866025403784438646763723170752936183471402627);
+static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
+static const fftw_real K1_732050807 = FFTW_KONST(+1.732050807568877293527446341505872366942805254);
+
+/*
+ * Generator Id's :
+ * $Id: fcr_9.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $
+ * $Id: fcr_9.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $
+ * $Id: fcr_9.c,v 1.1.1.1 2006/05/12 15:15:01 veplaini Exp $
+ */
+
+void fftw_hc2real_9(const fftw_real *real_input, const fftw_real *imag_input, fftw_real *output, int real_istride, int imag_istride, int ostride)
+{
+ fftw_real tmp3;
+ fftw_real tmp26;
+ fftw_real tmp12;
+ fftw_real tmp20;
+ fftw_real tmp19;
+ fftw_real tmp8;
+ fftw_real tmp17;
+ fftw_real tmp27;
+ fftw_real tmp22;
+ fftw_real tmp28;
+ fftw_real tmp32;
+ fftw_real tmp33;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp11;
+ fftw_real tmp1;
+ fftw_real tmp2;
+ fftw_real tmp9;
+ fftw_real tmp10;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp10 = imag_input[3 * imag_istride];
+ tmp11 = K1_732050807 * tmp10;
+ tmp1 = real_input[0];
+ tmp2 = real_input[3 * real_istride];
+ tmp9 = tmp1 - tmp2;
+ tmp3 = tmp1 + (K2_000000000 * tmp2);
+ tmp26 = tmp9 + tmp11;
+ tmp12 = tmp9 - tmp11;
+ }
+ {
+ fftw_real tmp4;
+ fftw_real tmp7;
+ fftw_real tmp18;
+ fftw_real tmp16;
+ fftw_real tmp13;
+ fftw_real tmp21;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp4 = real_input[real_istride];
+ tmp20 = imag_input[imag_istride];
+ {
+ fftw_real tmp5;
+ fftw_real tmp6;
+ fftw_real tmp14;
+ fftw_real tmp15;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp5 = real_input[4 * real_istride];
+ tmp6 = real_input[2 * real_istride];
+ tmp7 = tmp5 + tmp6;
+ tmp18 = K866025403 * (tmp5 - tmp6);
+ tmp14 = imag_input[4 * imag_istride];
+ tmp15 = imag_input[2 * imag_istride];
+ tmp16 = K866025403 * (tmp14 + tmp15);
+ tmp19 = tmp15 - tmp14;
+ }
+ tmp8 = tmp4 + tmp7;
+ tmp13 = tmp4 - (K500000000 * tmp7);
+ tmp17 = tmp13 - tmp16;
+ tmp27 = tmp13 + tmp16;
+ tmp21 = (K500000000 * tmp19) + tmp20;
+ tmp22 = tmp18 + tmp21;
+ tmp28 = tmp21 - tmp18;
+ }
+ output[0] = tmp3 + (K2_000000000 * tmp8);
+ tmp32 = tmp3 - tmp8;
+ tmp33 = K1_732050807 * (tmp20 - tmp19);
+ output[3 * ostride] = tmp32 - tmp33;
+ output[6 * ostride] = tmp32 + tmp33;
+ {
+ fftw_real tmp25;
+ fftw_real tmp23;
+ fftw_real tmp24;
+ fftw_real tmp31;
+ fftw_real tmp29;
+ fftw_real tmp30;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp25 = (K1_113340798 * tmp17) + (K1_326827896 * tmp22);
+ tmp23 = (K766044443 * tmp17) - (K642787609 * tmp22);
+ tmp24 = tmp12 - tmp23;
+ output[ostride] = tmp12 + (K2_000000000 * tmp23);
+ output[7 * ostride] = tmp24 + tmp25;
+ output[4 * ostride] = tmp24 - tmp25;
+ tmp31 = (K1_705737063 * tmp27) + (K300767466 * tmp28);
+ tmp29 = (K173648177 * tmp27) - (K984807753 * tmp28);
+ tmp30 = tmp26 - tmp29;
+ output[2 * ostride] = tmp26 + (K2_000000000 * tmp29);
+ output[8 * ostride] = tmp30 + tmp31;
+ output[5 * ostride] = tmp30 - tmp31;
+ }
+}
+
+fftw_codelet_desc fftw_hc2real_9_desc =
+{
+ "fftw_hc2real_9",
+ (void (*)()) fftw_hc2real_9,
+ 9,
+ FFTW_BACKWARD,
+ FFTW_HC2REAL,
+ 213,
+ 0,
+ (const int *) 0,
+};
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