diff options
Diffstat (limited to 'sndobj/rfftw/fn_5.c')
| -rw-r--r-- | sndobj/rfftw/fn_5.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/sndobj/rfftw/fn_5.c b/sndobj/rfftw/fn_5.c new file mode 100644 index 0000000..5001163 --- /dev/null +++ b/sndobj/rfftw/fn_5.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 20:43:47 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -notwiddle 5 */
+
+/*
+ * This function contains 32 FP additions, 12 FP multiplications,
+ * (or, 26 additions, 6 multiplications, 6 fused multiply/add),
+ * 16 stack variables, and 20 memory accesses
+ */
+static const fftw_real K250000000 = FFTW_KONST(+0.250000000000000000000000000000000000000000000);
+static const fftw_real K587785252 = FFTW_KONST(+0.587785252292473129168705954639072768597652438);
+static const fftw_real K951056516 = FFTW_KONST(+0.951056516295153572116439333379382143405698634);
+static const fftw_real K559016994 = FFTW_KONST(+0.559016994374947424102293417182819058860154590);
+
+/*
+ * Generator Id's :
+ * $Id: fn_5.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ * $Id: fn_5.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ * $Id: fn_5.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ */
+
+void fftw_no_twiddle_5(const fftw_complex *input, fftw_complex *output, int istride, int ostride)
+{
+ fftw_real tmp1;
+ fftw_real tmp24;
+ fftw_real tmp8;
+ fftw_real tmp9;
+ fftw_real tmp28;
+ fftw_real tmp29;
+ fftw_real tmp14;
+ fftw_real tmp25;
+ fftw_real tmp23;
+ fftw_real tmp17;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp1 = c_re(input[0]);
+ tmp24 = c_im(input[0]);
+ {
+ fftw_real tmp2;
+ fftw_real tmp3;
+ fftw_real tmp4;
+ fftw_real tmp5;
+ fftw_real tmp6;
+ fftw_real tmp7;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp2 = c_re(input[istride]);
+ tmp3 = c_re(input[4 * istride]);
+ tmp4 = tmp2 + tmp3;
+ tmp5 = c_re(input[2 * istride]);
+ tmp6 = c_re(input[3 * istride]);
+ tmp7 = tmp5 + tmp6;
+ tmp8 = tmp4 + tmp7;
+ tmp9 = K559016994 * (tmp4 - tmp7);
+ tmp28 = tmp2 - tmp3;
+ tmp29 = tmp5 - tmp6;
+ }
+ {
+ fftw_real tmp12;
+ fftw_real tmp13;
+ fftw_real tmp21;
+ fftw_real tmp15;
+ fftw_real tmp16;
+ fftw_real tmp22;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp12 = c_im(input[istride]);
+ tmp13 = c_im(input[4 * istride]);
+ tmp21 = tmp12 + tmp13;
+ tmp15 = c_im(input[2 * istride]);
+ tmp16 = c_im(input[3 * istride]);
+ tmp22 = tmp15 + tmp16;
+ tmp14 = tmp12 - tmp13;
+ tmp25 = tmp21 + tmp22;
+ tmp23 = K559016994 * (tmp21 - tmp22);
+ tmp17 = tmp15 - tmp16;
+ }
+ c_re(output[0]) = tmp1 + tmp8;
+ {
+ fftw_real tmp18;
+ fftw_real tmp20;
+ fftw_real tmp11;
+ fftw_real tmp19;
+ fftw_real tmp10;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp18 = (K951056516 * tmp14) + (K587785252 * tmp17);
+ tmp20 = (K951056516 * tmp17) - (K587785252 * tmp14);
+ tmp10 = tmp1 - (K250000000 * tmp8);
+ tmp11 = tmp9 + tmp10;
+ tmp19 = tmp10 - tmp9;
+ c_re(output[4 * ostride]) = tmp11 - tmp18;
+ c_re(output[ostride]) = tmp11 + tmp18;
+ c_re(output[2 * ostride]) = tmp19 - tmp20;
+ c_re(output[3 * ostride]) = tmp19 + tmp20;
+ }
+ c_im(output[0]) = tmp24 + tmp25;
+ {
+ fftw_real tmp30;
+ fftw_real tmp31;
+ fftw_real tmp27;
+ fftw_real tmp32;
+ fftw_real tmp26;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp30 = (K951056516 * tmp28) + (K587785252 * tmp29);
+ tmp31 = (K951056516 * tmp29) - (K587785252 * tmp28);
+ tmp26 = tmp24 - (K250000000 * tmp25);
+ tmp27 = tmp23 + tmp26;
+ tmp32 = tmp26 - tmp23;
+ c_im(output[ostride]) = tmp27 - tmp30;
+ c_im(output[4 * ostride]) = tmp30 + tmp27;
+ c_im(output[2 * ostride]) = tmp31 + tmp32;
+ c_im(output[3 * ostride]) = tmp32 - tmp31;
+ }
+}
+
+fftw_codelet_desc fftw_no_twiddle_5_desc =
+{
+ "fftw_no_twiddle_5",
+ (void (*)()) fftw_no_twiddle_5,
+ 5,
+ FFTW_FORWARD,
+ FFTW_NOTW,
+ 111,
+ 0,
+ (const int *) 0,
+};
|