diff options
Diffstat (limited to 'sndobj/rfftw/fhf_7.c')
| -rw-r--r-- | sndobj/rfftw/fhf_7.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/sndobj/rfftw/fhf_7.c b/sndobj/rfftw/fhf_7.c new file mode 100644 index 0000000..f45d487 --- /dev/null +++ b/sndobj/rfftw/fhf_7.c @@ -0,0 +1,325 @@ +/*
+ * 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 20:44:46 EST 1999 */
+
+#include <fftw-int.h>
+#include <fftw.h>
+
+/* Generated by: ./genfft -magic-alignment-check -magic-twiddle-load-all -magic-variables 4 -magic-loopi -hc2hc-forward 7 */
+
+/*
+ * This function contains 120 FP additions, 96 FP multiplications,
+ * (or, 108 additions, 84 multiplications, 12 fused multiply/add),
+ * 25 stack variables, and 56 memory accesses
+ */
+static const fftw_real K222520933 = FFTW_KONST(+0.222520933956314404288902564496794759466355569);
+static const fftw_real K900968867 = FFTW_KONST(+0.900968867902419126236102319507445051165919162);
+static const fftw_real K623489801 = FFTW_KONST(+0.623489801858733530525004884004239810632274731);
+static const fftw_real K433883739 = FFTW_KONST(+0.433883739117558120475768332848358754609990728);
+static const fftw_real K974927912 = FFTW_KONST(+0.974927912181823607018131682993931217232785801);
+static const fftw_real K781831482 = FFTW_KONST(+0.781831482468029808708444526674057750232334519);
+
+/*
+ * Generator Id's :
+ * $Id: fhf_7.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $
+ * $Id: fhf_7.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $
+ * $Id: fhf_7.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $
+ */
+
+void fftw_hc2hc_forward_7(fftw_real *A, const fftw_complex *W, int iostride, int m, int dist)
+{
+ int i;
+ fftw_real *X;
+ fftw_real *Y;
+ X = A;
+ Y = A + (7 * iostride);
+ {
+ fftw_real tmp85;
+ fftw_real tmp84;
+ fftw_real tmp88;
+ fftw_real tmp78;
+ fftw_real tmp86;
+ fftw_real tmp81;
+ fftw_real tmp87;
+ fftw_real tmp82;
+ fftw_real tmp83;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp85 = X[0];
+ tmp82 = X[iostride];
+ tmp83 = X[6 * iostride];
+ tmp84 = tmp82 - tmp83;
+ tmp88 = tmp82 + tmp83;
+ {
+ fftw_real tmp76;
+ fftw_real tmp77;
+ fftw_real tmp79;
+ fftw_real tmp80;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp76 = X[2 * iostride];
+ tmp77 = X[5 * iostride];
+ tmp78 = tmp76 - tmp77;
+ tmp86 = tmp76 + tmp77;
+ tmp79 = X[3 * iostride];
+ tmp80 = X[4 * iostride];
+ tmp81 = tmp79 - tmp80;
+ tmp87 = tmp79 + tmp80;
+ }
+ Y[-3 * iostride] = (K781831482 * tmp78) - (K974927912 * tmp81) - (K433883739 * tmp84);
+ Y[-iostride] = -((K781831482 * tmp84) + (K974927912 * tmp78) + (K433883739 * tmp81));
+ Y[-2 * iostride] = (K433883739 * tmp78) + (K781831482 * tmp81) - (K974927912 * tmp84);
+ X[2 * iostride] = tmp85 + (K623489801 * tmp87) - (K900968867 * tmp86) - (K222520933 * tmp88);
+ X[iostride] = tmp85 + (K623489801 * tmp88) - (K900968867 * tmp87) - (K222520933 * tmp86);
+ X[3 * iostride] = tmp85 + (K623489801 * tmp86) - (K222520933 * tmp87) - (K900968867 * tmp88);
+ X[0] = tmp85 + tmp88 + tmp86 + tmp87;
+ }
+ X = X + dist;
+ Y = Y - dist;
+ for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 6) {
+ fftw_real tmp14;
+ fftw_real tmp66;
+ fftw_real tmp25;
+ fftw_real tmp68;
+ fftw_real tmp51;
+ fftw_real tmp63;
+ fftw_real tmp36;
+ fftw_real tmp69;
+ fftw_real tmp57;
+ fftw_real tmp64;
+ fftw_real tmp47;
+ fftw_real tmp70;
+ fftw_real tmp54;
+ fftw_real tmp65;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp14 = X[0];
+ tmp66 = Y[-6 * iostride];
+ {
+ fftw_real tmp19;
+ fftw_real tmp49;
+ fftw_real tmp24;
+ fftw_real tmp50;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp16;
+ fftw_real tmp18;
+ fftw_real tmp15;
+ fftw_real tmp17;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp16 = X[iostride];
+ tmp18 = Y[-5 * iostride];
+ tmp15 = c_re(W[0]);
+ tmp17 = c_im(W[0]);
+ tmp19 = (tmp15 * tmp16) - (tmp17 * tmp18);
+ tmp49 = (tmp17 * tmp16) + (tmp15 * tmp18);
+ }
+ {
+ fftw_real tmp21;
+ fftw_real tmp23;
+ fftw_real tmp20;
+ fftw_real tmp22;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp21 = X[6 * iostride];
+ tmp23 = Y[0];
+ tmp20 = c_re(W[5]);
+ tmp22 = c_im(W[5]);
+ tmp24 = (tmp20 * tmp21) - (tmp22 * tmp23);
+ tmp50 = (tmp22 * tmp21) + (tmp20 * tmp23);
+ }
+ tmp25 = tmp19 + tmp24;
+ tmp68 = tmp24 - tmp19;
+ tmp51 = tmp49 - tmp50;
+ tmp63 = tmp49 + tmp50;
+ }
+ {
+ fftw_real tmp30;
+ fftw_real tmp55;
+ fftw_real tmp35;
+ fftw_real tmp56;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp27;
+ fftw_real tmp29;
+ fftw_real tmp26;
+ fftw_real tmp28;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp27 = X[2 * iostride];
+ tmp29 = Y[-4 * iostride];
+ tmp26 = c_re(W[1]);
+ tmp28 = c_im(W[1]);
+ tmp30 = (tmp26 * tmp27) - (tmp28 * tmp29);
+ tmp55 = (tmp28 * tmp27) + (tmp26 * tmp29);
+ }
+ {
+ fftw_real tmp32;
+ fftw_real tmp34;
+ fftw_real tmp31;
+ fftw_real tmp33;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp32 = X[5 * iostride];
+ tmp34 = Y[-iostride];
+ tmp31 = c_re(W[4]);
+ tmp33 = c_im(W[4]);
+ tmp35 = (tmp31 * tmp32) - (tmp33 * tmp34);
+ tmp56 = (tmp33 * tmp32) + (tmp31 * tmp34);
+ }
+ tmp36 = tmp30 + tmp35;
+ tmp69 = tmp35 - tmp30;
+ tmp57 = tmp55 - tmp56;
+ tmp64 = tmp55 + tmp56;
+ }
+ {
+ fftw_real tmp41;
+ fftw_real tmp52;
+ fftw_real tmp46;
+ fftw_real tmp53;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp38;
+ fftw_real tmp40;
+ fftw_real tmp37;
+ fftw_real tmp39;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp38 = X[3 * iostride];
+ tmp40 = Y[-3 * iostride];
+ tmp37 = c_re(W[2]);
+ tmp39 = c_im(W[2]);
+ tmp41 = (tmp37 * tmp38) - (tmp39 * tmp40);
+ tmp52 = (tmp39 * tmp38) + (tmp37 * tmp40);
+ }
+ {
+ fftw_real tmp43;
+ fftw_real tmp45;
+ fftw_real tmp42;
+ fftw_real tmp44;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp43 = X[4 * iostride];
+ tmp45 = Y[-2 * iostride];
+ tmp42 = c_re(W[3]);
+ tmp44 = c_im(W[3]);
+ tmp46 = (tmp42 * tmp43) - (tmp44 * tmp45);
+ tmp53 = (tmp44 * tmp43) + (tmp42 * tmp45);
+ }
+ tmp47 = tmp41 + tmp46;
+ tmp70 = tmp46 - tmp41;
+ tmp54 = tmp52 - tmp53;
+ tmp65 = tmp52 + tmp53;
+ }
+ {
+ fftw_real tmp60;
+ fftw_real tmp59;
+ fftw_real tmp73;
+ fftw_real tmp72;
+ ASSERT_ALIGNED_DOUBLE;
+ X[0] = tmp14 + tmp25 + tmp36 + tmp47;
+ tmp60 = (K781831482 * tmp51) + (K974927912 * tmp57) + (K433883739 * tmp54);
+ tmp59 = tmp14 + (K623489801 * tmp25) - (K900968867 * tmp47) - (K222520933 * tmp36);
+ Y[-6 * iostride] = tmp59 - tmp60;
+ X[iostride] = tmp59 + tmp60;
+ {
+ fftw_real tmp62;
+ fftw_real tmp61;
+ fftw_real tmp58;
+ fftw_real tmp48;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp62 = (K433883739 * tmp51) + (K974927912 * tmp54) - (K781831482 * tmp57);
+ tmp61 = tmp14 + (K623489801 * tmp36) - (K222520933 * tmp47) - (K900968867 * tmp25);
+ Y[-4 * iostride] = tmp61 - tmp62;
+ X[3 * iostride] = tmp61 + tmp62;
+ tmp58 = (K974927912 * tmp51) - (K781831482 * tmp54) - (K433883739 * tmp57);
+ tmp48 = tmp14 + (K623489801 * tmp47) - (K900968867 * tmp36) - (K222520933 * tmp25);
+ Y[-5 * iostride] = tmp48 - tmp58;
+ X[2 * iostride] = tmp48 + tmp58;
+ }
+ Y[0] = tmp63 + tmp64 + tmp65 + tmp66;
+ tmp73 = (K974927912 * tmp68) - (K781831482 * tmp70) - (K433883739 * tmp69);
+ tmp72 = (K623489801 * tmp65) + tmp66 - (K900968867 * tmp64) - (K222520933 * tmp63);
+ X[5 * iostride] = -(tmp72 - tmp73);
+ Y[-2 * iostride] = tmp73 + tmp72;
+ {
+ fftw_real tmp75;
+ fftw_real tmp74;
+ fftw_real tmp71;
+ fftw_real tmp67;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp75 = (K433883739 * tmp68) + (K974927912 * tmp70) - (K781831482 * tmp69);
+ tmp74 = (K623489801 * tmp64) + tmp66 - (K222520933 * tmp65) - (K900968867 * tmp63);
+ X[4 * iostride] = -(tmp74 - tmp75);
+ Y[-3 * iostride] = tmp75 + tmp74;
+ tmp71 = (K781831482 * tmp68) + (K974927912 * tmp69) + (K433883739 * tmp70);
+ tmp67 = (K623489801 * tmp63) + tmp66 - (K900968867 * tmp65) - (K222520933 * tmp64);
+ X[6 * iostride] = -(tmp67 - tmp71);
+ Y[-iostride] = tmp71 + tmp67;
+ }
+ }
+ }
+ if (i == m) {
+ fftw_real tmp1;
+ fftw_real tmp10;
+ fftw_real tmp13;
+ fftw_real tmp4;
+ fftw_real tmp11;
+ fftw_real tmp7;
+ fftw_real tmp12;
+ fftw_real tmp8;
+ fftw_real tmp9;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp1 = X[0];
+ tmp8 = X[iostride];
+ tmp9 = X[6 * iostride];
+ tmp10 = tmp8 - tmp9;
+ tmp13 = tmp8 + tmp9;
+ {
+ fftw_real tmp2;
+ fftw_real tmp3;
+ fftw_real tmp5;
+ fftw_real tmp6;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp2 = X[2 * iostride];
+ tmp3 = X[5 * iostride];
+ tmp4 = tmp2 - tmp3;
+ tmp11 = tmp2 + tmp3;
+ tmp5 = X[3 * iostride];
+ tmp6 = X[4 * iostride];
+ tmp7 = tmp5 - tmp6;
+ tmp12 = tmp5 + tmp6;
+ }
+ Y[0] = -((K781831482 * tmp11) + (K974927912 * tmp12) + (K433883739 * tmp13));
+ Y[-iostride] = (K781831482 * tmp12) - (K974927912 * tmp13) - (K433883739 * tmp11);
+ Y[-2 * iostride] = (K974927912 * tmp11) - (K781831482 * tmp13) - (K433883739 * tmp12);
+ X[iostride] = tmp1 + (K222520933 * tmp10) - (K623489801 * tmp7) - (K900968867 * tmp4);
+ X[2 * iostride] = tmp1 + (K900968867 * tmp7) - (K623489801 * tmp10) - (K222520933 * tmp4);
+ X[3 * iostride] = tmp1 + tmp4 - (tmp7 + tmp10);
+ X[0] = tmp1 + (K623489801 * tmp4) + (K222520933 * tmp7) + (K900968867 * tmp10);
+ }
+}
+
+static const int twiddle_order[] =
+{1, 2, 3, 4, 5, 6};
+fftw_codelet_desc fftw_hc2hc_forward_7_desc =
+{
+ "fftw_hc2hc_forward_7",
+ (void (*)()) fftw_hc2hc_forward_7,
+ 7,
+ FFTW_FORWARD,
+ FFTW_HC2HC,
+ 157,
+ 6,
+ twiddle_order,
+};
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