First commit - moving from LuaForge to SourceForge

1 files changed, 285 insertions, 0 deletions

diff --git a/src/fftw/ftwi_8.c b/src/fftw/ftwi_8.c
new file mode 100644
index 0000000..ed8720a
--- /dev/null
+++ b/src/fftw/ftwi_8.c
@@ -0,0 +1,285 @@
+/*
+ * Copyright (c) 1997-1999, 2003 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 Mon Mar 24 02:08:32 EST 2003 */
+
+#include "fftw-int.h"
+#include "fftw.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw/gensrc/genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -twiddleinv 8 */
+
+/*
+ * This function contains 66 FP additions, 32 FP multiplications,
+ * (or, 52 additions, 18 multiplications, 14 fused multiply/add),
+ * 28 stack variables, and 32 memory accesses
+ */
+static const fftw_real K707106781 =
+FFTW_KONST(+0.707106781186547524400844362104849039284835938);
+
+/*
+ * Generator Id's : 
+ * $Id: ftwi_8.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: ftwi_8.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ * $Id: ftwi_8.c,v 1.1 2008/10/17 06:13:18 scuri Exp $
+ */
+
+void fftwi_twiddle_8(fftw_complex *A, const fftw_complex *W, int iostride,
+		     int m, int dist)
+{
+     int i;
+     fftw_complex *inout;
+     inout = A;
+     for (i = m; i > 0; i = i - 1, inout = inout + dist, W = W + 7) {
+	  fftw_real tmp7;
+	  fftw_real tmp43;
+	  fftw_real tmp71;
+	  fftw_real tmp77;
+	  fftw_real tmp41;
+	  fftw_real tmp53;
+	  fftw_real tmp56;
+	  fftw_real tmp64;
+	  fftw_real tmp18;
+	  fftw_real tmp76;
+	  fftw_real tmp46;
+	  fftw_real tmp68;
+	  fftw_real tmp30;
+	  fftw_real tmp48;
+	  fftw_real tmp51;
+	  fftw_real tmp65;
+	  ASSERT_ALIGNED_DOUBLE;
+	  {
+	       fftw_real tmp1;
+	       fftw_real tmp70;
+	       fftw_real tmp6;
+	       fftw_real tmp69;
+	       ASSERT_ALIGNED_DOUBLE;
+	       tmp1 = c_re(inout[0]);
+	       tmp70 = c_im(inout[0]);
+	       {
+		    fftw_real tmp3;
+		    fftw_real tmp5;
+		    fftw_real tmp2;
+		    fftw_real tmp4;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp3 = c_re(inout[4 * iostride]);
+		    tmp5 = c_im(inout[4 * iostride]);
+		    tmp2 = c_re(W[3]);
+		    tmp4 = c_im(W[3]);
+		    tmp6 = (tmp2 * tmp3) + (tmp4 * tmp5);
+		    tmp69 = (tmp2 * tmp5) - (tmp4 * tmp3);
+	       }
+	       tmp7 = tmp1 + tmp6;
+	       tmp43 = tmp1 - tmp6;
+	       tmp71 = tmp69 + tmp70;
+	       tmp77 = tmp70 - tmp69;
+	  }
+	  {
+	       fftw_real tmp35;
+	       fftw_real tmp54;
+	       fftw_real tmp40;
+	       fftw_real tmp55;
+	       ASSERT_ALIGNED_DOUBLE;
+	       {
+		    fftw_real tmp32;
+		    fftw_real tmp34;
+		    fftw_real tmp31;
+		    fftw_real tmp33;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp32 = c_re(inout[7 * iostride]);
+		    tmp34 = c_im(inout[7 * iostride]);
+		    tmp31 = c_re(W[6]);
+		    tmp33 = c_im(W[6]);
+		    tmp35 = (tmp31 * tmp32) + (tmp33 * tmp34);
+		    tmp54 = (tmp31 * tmp34) - (tmp33 * tmp32);
+	       }
+	       {
+		    fftw_real tmp37;
+		    fftw_real tmp39;
+		    fftw_real tmp36;
+		    fftw_real tmp38;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp37 = c_re(inout[3 * iostride]);
+		    tmp39 = c_im(inout[3 * iostride]);
+		    tmp36 = c_re(W[2]);
+		    tmp38 = c_im(W[2]);
+		    tmp40 = (tmp36 * tmp37) + (tmp38 * tmp39);
+		    tmp55 = (tmp36 * tmp39) - (tmp38 * tmp37);
+	       }
+	       tmp41 = tmp35 + tmp40;
+	       tmp53 = tmp35 - tmp40;
+	       tmp56 = tmp54 - tmp55;
+	       tmp64 = tmp54 + tmp55;
+	  }
+	  {
+	       fftw_real tmp12;
+	       fftw_real tmp44;
+	       fftw_real tmp17;
+	       fftw_real tmp45;
+	       ASSERT_ALIGNED_DOUBLE;
+	       {
+		    fftw_real tmp9;
+		    fftw_real tmp11;
+		    fftw_real tmp8;
+		    fftw_real tmp10;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp9 = c_re(inout[2 * iostride]);
+		    tmp11 = c_im(inout[2 * iostride]);
+		    tmp8 = c_re(W[1]);
+		    tmp10 = c_im(W[1]);
+		    tmp12 = (tmp8 * tmp9) + (tmp10 * tmp11);
+		    tmp44 = (tmp8 * tmp11) - (tmp10 * tmp9);
+	       }
+	       {
+		    fftw_real tmp14;
+		    fftw_real tmp16;
+		    fftw_real tmp13;
+		    fftw_real tmp15;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp14 = c_re(inout[6 * iostride]);
+		    tmp16 = c_im(inout[6 * iostride]);
+		    tmp13 = c_re(W[5]);
+		    tmp15 = c_im(W[5]);
+		    tmp17 = (tmp13 * tmp14) + (tmp15 * tmp16);
+		    tmp45 = (tmp13 * tmp16) - (tmp15 * tmp14);
+	       }
+	       tmp18 = tmp12 + tmp17;
+	       tmp76 = tmp12 - tmp17;
+	       tmp46 = tmp44 - tmp45;
+	       tmp68 = tmp44 + tmp45;
+	  }
+	  {
+	       fftw_real tmp24;
+	       fftw_real tmp49;
+	       fftw_real tmp29;
+	       fftw_real tmp50;
+	       ASSERT_ALIGNED_DOUBLE;
+	       {
+		    fftw_real tmp21;
+		    fftw_real tmp23;
+		    fftw_real tmp20;
+		    fftw_real tmp22;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp21 = c_re(inout[iostride]);
+		    tmp23 = c_im(inout[iostride]);
+		    tmp20 = c_re(W[0]);
+		    tmp22 = c_im(W[0]);
+		    tmp24 = (tmp20 * tmp21) + (tmp22 * tmp23);
+		    tmp49 = (tmp20 * tmp23) - (tmp22 * tmp21);
+	       }
+	       {
+		    fftw_real tmp26;
+		    fftw_real tmp28;
+		    fftw_real tmp25;
+		    fftw_real tmp27;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp26 = c_re(inout[5 * iostride]);
+		    tmp28 = c_im(inout[5 * iostride]);
+		    tmp25 = c_re(W[4]);
+		    tmp27 = c_im(W[4]);
+		    tmp29 = (tmp25 * tmp26) + (tmp27 * tmp28);
+		    tmp50 = (tmp25 * tmp28) - (tmp27 * tmp26);
+	       }
+	       tmp30 = tmp24 + tmp29;
+	       tmp48 = tmp24 - tmp29;
+	       tmp51 = tmp49 - tmp50;
+	       tmp65 = tmp49 + tmp50;
+	  }
+	  {
+	       fftw_real tmp19;
+	       fftw_real tmp42;
+	       fftw_real tmp63;
+	       fftw_real tmp66;
+	       ASSERT_ALIGNED_DOUBLE;
+	       tmp19 = tmp7 + tmp18;
+	       tmp42 = tmp30 + tmp41;
+	       c_re(inout[4 * iostride]) = tmp19 - tmp42;
+	       c_re(inout[0]) = tmp19 + tmp42;
+	       {
+		    fftw_real tmp73;
+		    fftw_real tmp74;
+		    fftw_real tmp67;
+		    fftw_real tmp72;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp73 = tmp30 - tmp41;
+		    tmp74 = tmp71 - tmp68;
+		    c_im(inout[2 * iostride]) = tmp73 + tmp74;
+		    c_im(inout[6 * iostride]) = tmp74 - tmp73;
+		    tmp67 = tmp65 + tmp64;
+		    tmp72 = tmp68 + tmp71;
+		    c_im(inout[0]) = tmp67 + tmp72;
+		    c_im(inout[4 * iostride]) = tmp72 - tmp67;
+	       }
+	       tmp63 = tmp7 - tmp18;
+	       tmp66 = tmp64 - tmp65;
+	       c_re(inout[6 * iostride]) = tmp63 - tmp66;
+	       c_re(inout[2 * iostride]) = tmp63 + tmp66;
+	       {
+		    fftw_real tmp59;
+		    fftw_real tmp78;
+		    fftw_real tmp62;
+		    fftw_real tmp75;
+		    fftw_real tmp60;
+		    fftw_real tmp61;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp59 = tmp43 + tmp46;
+		    tmp78 = tmp76 + tmp77;
+		    tmp60 = tmp56 - tmp53;
+		    tmp61 = tmp48 + tmp51;
+		    tmp62 = K707106781 * (tmp60 - tmp61);
+		    tmp75 = K707106781 * (tmp61 + tmp60);
+		    c_re(inout[7 * iostride]) = tmp59 - tmp62;
+		    c_re(inout[3 * iostride]) = tmp59 + tmp62;
+		    c_im(inout[iostride]) = tmp75 + tmp78;
+		    c_im(inout[5 * iostride]) = tmp78 - tmp75;
+	       }
+	       {
+		    fftw_real tmp47;
+		    fftw_real tmp80;
+		    fftw_real tmp58;
+		    fftw_real tmp79;
+		    fftw_real tmp52;
+		    fftw_real tmp57;
+		    ASSERT_ALIGNED_DOUBLE;
+		    tmp47 = tmp43 - tmp46;
+		    tmp80 = tmp77 - tmp76;
+		    tmp52 = tmp48 - tmp51;
+		    tmp57 = tmp53 + tmp56;
+		    tmp58 = K707106781 * (tmp52 + tmp57);
+		    tmp79 = K707106781 * (tmp52 - tmp57);
+		    c_re(inout[5 * iostride]) = tmp47 - tmp58;
+		    c_re(inout[iostride]) = tmp47 + tmp58;
+		    c_im(inout[3 * iostride]) = tmp79 + tmp80;
+		    c_im(inout[7 * iostride]) = tmp80 - tmp79;
+	       }
+	  }
+     }
+}
+
+static const int twiddle_order[] = { 1, 2, 3, 4, 5, 6, 7 };
+fftw_codelet_desc fftwi_twiddle_8_desc = {
+     "fftwi_twiddle_8",
+     (void (*)()) fftwi_twiddle_8,
+     8,
+     FFTW_BACKWARD,
+     FFTW_TWIDDLE,
+     187,
+     7,
+     twiddle_order,
+};