diff options
Diffstat (limited to 'src/sndobj/rfftw/fhb_8.c')
| -rw-r--r-- | src/sndobj/rfftw/fhb_8.c | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/src/sndobj/rfftw/fhb_8.c b/src/sndobj/rfftw/fhb_8.c new file mode 100644 index 0000000..a6d7e2c --- /dev/null +++ b/src/sndobj/rfftw/fhb_8.c @@ -0,0 +1,415 @@ +/*
+ * 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 20:45:12 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-backward 8 */
+
+/*
+ * This function contains 108 FP additions, 50 FP multiplications,
+ * (or, 90 additions, 32 multiplications, 18 fused multiply/add),
+ * 31 stack variables, and 64 memory accesses
+ */
+static const fftw_real K765366864 = FFTW_KONST(+0.765366864730179543456919968060797733522689125);
+static const fftw_real K1_847759065 = FFTW_KONST(+1.847759065022573512256366378793576573644833252);
+static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938);
+static const fftw_real K1_414213562 = FFTW_KONST(+1.414213562373095048801688724209698078569671875);
+static const fftw_real K2_000000000 = FFTW_KONST(+2.000000000000000000000000000000000000000000000);
+
+/*
+ * Generator Id's :
+ * $Id: fhb_8.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $
+ * $Id: fhb_8.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $
+ * $Id: fhb_8.c,v 1.1.1.1 2006/05/12 15:14:59 veplaini Exp $
+ */
+
+void fftw_hc2hc_backward_8(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 + (8 * iostride);
+ {
+ fftw_real tmp107;
+ fftw_real tmp118;
+ fftw_real tmp105;
+ fftw_real tmp116;
+ fftw_real tmp111;
+ fftw_real tmp120;
+ fftw_real tmp115;
+ fftw_real tmp121;
+ fftw_real tmp108;
+ fftw_real tmp112;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp106;
+ fftw_real tmp117;
+ fftw_real tmp103;
+ fftw_real tmp104;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp106 = X[2 * iostride];
+ tmp107 = K2_000000000 * tmp106;
+ tmp117 = Y[-2 * iostride];
+ tmp118 = K2_000000000 * tmp117;
+ tmp103 = X[0];
+ tmp104 = X[4 * iostride];
+ tmp105 = tmp103 + tmp104;
+ tmp116 = tmp103 - tmp104;
+ {
+ fftw_real tmp109;
+ fftw_real tmp110;
+ fftw_real tmp113;
+ fftw_real tmp114;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp109 = X[iostride];
+ tmp110 = X[3 * iostride];
+ tmp111 = K2_000000000 * (tmp109 + tmp110);
+ tmp120 = tmp109 - tmp110;
+ tmp113 = Y[-iostride];
+ tmp114 = Y[-3 * iostride];
+ tmp115 = K2_000000000 * (tmp113 - tmp114);
+ tmp121 = tmp114 + tmp113;
+ }
+ }
+ tmp108 = tmp105 + tmp107;
+ X[4 * iostride] = tmp108 - tmp111;
+ X[0] = tmp108 + tmp111;
+ tmp112 = tmp105 - tmp107;
+ X[6 * iostride] = tmp112 + tmp115;
+ X[2 * iostride] = tmp112 - tmp115;
+ {
+ fftw_real tmp119;
+ fftw_real tmp122;
+ fftw_real tmp123;
+ fftw_real tmp124;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp119 = tmp116 - tmp118;
+ tmp122 = K1_414213562 * (tmp120 - tmp121);
+ X[5 * iostride] = tmp119 - tmp122;
+ X[iostride] = tmp119 + tmp122;
+ tmp123 = tmp116 + tmp118;
+ tmp124 = K1_414213562 * (tmp120 + tmp121);
+ X[3 * iostride] = tmp123 - tmp124;
+ X[7 * iostride] = tmp123 + tmp124;
+ }
+ }
+ X = X + dist;
+ Y = Y - dist;
+ for (i = 2; i < m; i = i + 2, X = X + dist, Y = Y - dist, W = W + 7) {
+ fftw_real tmp29;
+ fftw_real tmp60;
+ fftw_real tmp46;
+ fftw_real tmp56;
+ fftw_real tmp70;
+ fftw_real tmp96;
+ fftw_real tmp82;
+ fftw_real tmp92;
+ fftw_real tmp36;
+ fftw_real tmp57;
+ fftw_real tmp53;
+ fftw_real tmp61;
+ fftw_real tmp73;
+ fftw_real tmp83;
+ fftw_real tmp76;
+ fftw_real tmp84;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp25;
+ fftw_real tmp68;
+ fftw_real tmp42;
+ fftw_real tmp81;
+ fftw_real tmp28;
+ fftw_real tmp80;
+ fftw_real tmp45;
+ fftw_real tmp69;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp23;
+ fftw_real tmp24;
+ fftw_real tmp40;
+ fftw_real tmp41;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp23 = X[0];
+ tmp24 = Y[-4 * iostride];
+ tmp25 = tmp23 + tmp24;
+ tmp68 = tmp23 - tmp24;
+ tmp40 = Y[0];
+ tmp41 = X[4 * iostride];
+ tmp42 = tmp40 - tmp41;
+ tmp81 = tmp40 + tmp41;
+ }
+ {
+ fftw_real tmp26;
+ fftw_real tmp27;
+ fftw_real tmp43;
+ fftw_real tmp44;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp26 = X[2 * iostride];
+ tmp27 = Y[-6 * iostride];
+ tmp28 = tmp26 + tmp27;
+ tmp80 = tmp26 - tmp27;
+ tmp43 = Y[-2 * iostride];
+ tmp44 = X[6 * iostride];
+ tmp45 = tmp43 - tmp44;
+ tmp69 = tmp43 + tmp44;
+ }
+ tmp29 = tmp25 + tmp28;
+ tmp60 = tmp25 - tmp28;
+ tmp46 = tmp42 + tmp45;
+ tmp56 = tmp42 - tmp45;
+ tmp70 = tmp68 - tmp69;
+ tmp96 = tmp68 + tmp69;
+ tmp82 = tmp80 + tmp81;
+ tmp92 = tmp81 - tmp80;
+ }
+ {
+ fftw_real tmp32;
+ fftw_real tmp71;
+ fftw_real tmp49;
+ fftw_real tmp72;
+ fftw_real tmp35;
+ fftw_real tmp74;
+ fftw_real tmp52;
+ fftw_real tmp75;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp30;
+ fftw_real tmp31;
+ fftw_real tmp47;
+ fftw_real tmp48;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp30 = X[iostride];
+ tmp31 = Y[-5 * iostride];
+ tmp32 = tmp30 + tmp31;
+ tmp71 = tmp30 - tmp31;
+ tmp47 = Y[-iostride];
+ tmp48 = X[5 * iostride];
+ tmp49 = tmp47 - tmp48;
+ tmp72 = tmp47 + tmp48;
+ }
+ {
+ fftw_real tmp33;
+ fftw_real tmp34;
+ fftw_real tmp50;
+ fftw_real tmp51;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp33 = Y[-7 * iostride];
+ tmp34 = X[3 * iostride];
+ tmp35 = tmp33 + tmp34;
+ tmp74 = tmp33 - tmp34;
+ tmp50 = Y[-3 * iostride];
+ tmp51 = X[7 * iostride];
+ tmp52 = tmp50 - tmp51;
+ tmp75 = tmp50 + tmp51;
+ }
+ tmp36 = tmp32 + tmp35;
+ tmp57 = tmp32 - tmp35;
+ tmp53 = tmp49 + tmp52;
+ tmp61 = tmp52 - tmp49;
+ tmp73 = tmp71 - tmp72;
+ tmp83 = tmp71 + tmp72;
+ tmp76 = tmp74 - tmp75;
+ tmp84 = tmp74 + tmp75;
+ }
+ X[0] = tmp29 + tmp36;
+ Y[-7 * iostride] = tmp46 + tmp53;
+ {
+ fftw_real tmp38;
+ fftw_real tmp54;
+ fftw_real tmp37;
+ fftw_real tmp39;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp38 = tmp29 - tmp36;
+ tmp54 = tmp46 - tmp53;
+ tmp37 = c_re(W[3]);
+ tmp39 = c_im(W[3]);
+ X[4 * iostride] = (tmp37 * tmp38) + (tmp39 * tmp54);
+ Y[-3 * iostride] = (tmp37 * tmp54) - (tmp39 * tmp38);
+ }
+ {
+ fftw_real tmp64;
+ fftw_real tmp66;
+ fftw_real tmp63;
+ fftw_real tmp65;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp64 = tmp57 + tmp56;
+ tmp66 = tmp60 + tmp61;
+ tmp63 = c_re(W[1]);
+ tmp65 = c_im(W[1]);
+ Y[-5 * iostride] = (tmp63 * tmp64) - (tmp65 * tmp66);
+ X[2 * iostride] = (tmp65 * tmp64) + (tmp63 * tmp66);
+ }
+ {
+ fftw_real tmp58;
+ fftw_real tmp62;
+ fftw_real tmp55;
+ fftw_real tmp59;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp58 = tmp56 - tmp57;
+ tmp62 = tmp60 - tmp61;
+ tmp55 = c_re(W[5]);
+ tmp59 = c_im(W[5]);
+ Y[-iostride] = (tmp55 * tmp58) - (tmp59 * tmp62);
+ X[6 * iostride] = (tmp59 * tmp58) + (tmp55 * tmp62);
+ }
+ {
+ fftw_real tmp94;
+ fftw_real tmp100;
+ fftw_real tmp98;
+ fftw_real tmp102;
+ fftw_real tmp93;
+ fftw_real tmp97;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp93 = K707106781 * (tmp73 - tmp76);
+ tmp94 = tmp92 + tmp93;
+ tmp100 = tmp92 - tmp93;
+ tmp97 = K707106781 * (tmp83 + tmp84);
+ tmp98 = tmp96 - tmp97;
+ tmp102 = tmp96 + tmp97;
+ {
+ fftw_real tmp91;
+ fftw_real tmp95;
+ fftw_real tmp99;
+ fftw_real tmp101;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp91 = c_re(W[2]);
+ tmp95 = c_im(W[2]);
+ Y[-4 * iostride] = (tmp91 * tmp94) - (tmp95 * tmp98);
+ X[3 * iostride] = (tmp95 * tmp94) + (tmp91 * tmp98);
+ tmp99 = c_re(W[6]);
+ tmp101 = c_im(W[6]);
+ Y[0] = (tmp99 * tmp100) - (tmp101 * tmp102);
+ X[7 * iostride] = (tmp101 * tmp100) + (tmp99 * tmp102);
+ }
+ }
+ {
+ fftw_real tmp78;
+ fftw_real tmp88;
+ fftw_real tmp86;
+ fftw_real tmp90;
+ fftw_real tmp77;
+ fftw_real tmp85;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp77 = K707106781 * (tmp73 + tmp76);
+ tmp78 = tmp70 - tmp77;
+ tmp88 = tmp70 + tmp77;
+ tmp85 = K707106781 * (tmp83 - tmp84);
+ tmp86 = tmp82 - tmp85;
+ tmp90 = tmp82 + tmp85;
+ {
+ fftw_real tmp67;
+ fftw_real tmp79;
+ fftw_real tmp87;
+ fftw_real tmp89;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp67 = c_re(W[4]);
+ tmp79 = c_im(W[4]);
+ X[5 * iostride] = (tmp67 * tmp78) + (tmp79 * tmp86);
+ Y[-2 * iostride] = (tmp67 * tmp86) - (tmp79 * tmp78);
+ tmp87 = c_re(W[0]);
+ tmp89 = c_im(W[0]);
+ X[iostride] = (tmp87 * tmp88) + (tmp89 * tmp90);
+ Y[-6 * iostride] = (tmp87 * tmp90) - (tmp89 * tmp88);
+ }
+ }
+ }
+ if (i == m) {
+ fftw_real tmp3;
+ fftw_real tmp7;
+ fftw_real tmp15;
+ fftw_real tmp20;
+ fftw_real tmp6;
+ fftw_real tmp12;
+ fftw_real tmp10;
+ fftw_real tmp21;
+ fftw_real tmp19;
+ fftw_real tmp22;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp1;
+ fftw_real tmp2;
+ fftw_real tmp13;
+ fftw_real tmp14;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp1 = X[0];
+ tmp2 = X[3 * iostride];
+ tmp3 = tmp1 + tmp2;
+ tmp7 = tmp1 - tmp2;
+ tmp13 = Y[0];
+ tmp14 = Y[-3 * iostride];
+ tmp15 = tmp13 + tmp14;
+ tmp20 = tmp13 - tmp14;
+ }
+ {
+ fftw_real tmp4;
+ fftw_real tmp5;
+ fftw_real tmp8;
+ fftw_real tmp9;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp4 = X[2 * iostride];
+ tmp5 = X[iostride];
+ tmp6 = tmp4 + tmp5;
+ tmp12 = tmp4 - tmp5;
+ tmp8 = Y[-2 * iostride];
+ tmp9 = Y[-iostride];
+ tmp10 = tmp8 + tmp9;
+ tmp21 = tmp8 - tmp9;
+ }
+ X[0] = K2_000000000 * (tmp3 + tmp6);
+ tmp19 = tmp3 - tmp6;
+ tmp22 = tmp20 - tmp21;
+ X[2 * iostride] = K1_414213562 * (tmp19 - tmp22);
+ X[6 * iostride] = -(K1_414213562 * (tmp19 + tmp22));
+ X[4 * iostride] = -(K2_000000000 * (tmp21 + tmp20));
+ {
+ fftw_real tmp11;
+ fftw_real tmp16;
+ fftw_real tmp17;
+ fftw_real tmp18;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp11 = tmp7 - tmp10;
+ tmp16 = tmp12 + tmp15;
+ X[iostride] = (K1_847759065 * tmp11) - (K765366864 * tmp16);
+ X[5 * iostride] = -((K765366864 * tmp11) + (K1_847759065 * tmp16));
+ tmp17 = tmp7 + tmp10;
+ tmp18 = tmp15 - tmp12;
+ X[3 * iostride] = (K765366864 * tmp17) - (K1_847759065 * tmp18);
+ X[7 * iostride] = -((K1_847759065 * tmp17) + (K765366864 * tmp18));
+ }
+ }
+}
+
+static const int twiddle_order[] =
+{1, 2, 3, 4, 5, 6, 7};
+fftw_codelet_desc fftw_hc2hc_backward_8_desc =
+{
+ "fftw_hc2hc_backward_8",
+ (void (*)()) fftw_hc2hc_backward_8,
+ 8,
+ FFTW_BACKWARD,
+ FFTW_HC2HC,
+ 190,
+ 7,
+ twiddle_order,
+};
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