diff options
Diffstat (limited to 'src/sndobj/rfftw/fhf_8.c')
| -rw-r--r-- | src/sndobj/rfftw/fhf_8.c | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/src/sndobj/rfftw/fhf_8.c b/src/sndobj/rfftw/fhf_8.c new file mode 100644 index 0000000..a9b21a0 --- /dev/null +++ b/src/sndobj/rfftw/fhf_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 20:44:46 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 8 */
+
+/*
+ * This function contains 108 FP additions, 44 FP multiplications,
+ * (or, 90 additions, 26 multiplications, 18 fused multiply/add),
+ * 29 stack variables, and 64 memory accesses
+ */
+static const fftw_real K382683432 = FFTW_KONST(+0.382683432365089771728459984030398866761344562);
+static const fftw_real K923879532 = FFTW_KONST(+0.923879532511286756128183189396788286822416626);
+static const fftw_real K707106781 = FFTW_KONST(+0.707106781186547524400844362104849039284835938);
+
+/*
+ * Generator Id's :
+ * $Id: fhf_8.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ * $Id: fhf_8.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ * $Id: fhf_8.c,v 1.1.1.1 2006/05/12 15:14:50 veplaini Exp $
+ */
+
+void fftw_hc2hc_forward_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 tmp105;
+ fftw_real tmp109;
+ fftw_real tmp115;
+ fftw_real tmp121;
+ fftw_real tmp108;
+ fftw_real tmp118;
+ fftw_real tmp112;
+ fftw_real tmp120;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp103;
+ fftw_real tmp104;
+ fftw_real tmp113;
+ fftw_real tmp114;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp103 = X[0];
+ tmp104 = X[4 * iostride];
+ tmp105 = tmp103 + tmp104;
+ tmp109 = tmp103 - tmp104;
+ tmp113 = X[7 * iostride];
+ tmp114 = X[3 * iostride];
+ tmp115 = tmp113 - tmp114;
+ tmp121 = tmp113 + tmp114;
+ }
+ {
+ fftw_real tmp106;
+ fftw_real tmp107;
+ fftw_real tmp110;
+ fftw_real tmp111;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp106 = X[2 * iostride];
+ tmp107 = X[6 * iostride];
+ tmp108 = tmp106 + tmp107;
+ tmp118 = tmp106 - tmp107;
+ tmp110 = X[iostride];
+ tmp111 = X[5 * iostride];
+ tmp112 = tmp110 - tmp111;
+ tmp120 = tmp110 + tmp111;
+ }
+ {
+ fftw_real tmp119;
+ fftw_real tmp122;
+ fftw_real tmp116;
+ fftw_real tmp117;
+ ASSERT_ALIGNED_DOUBLE;
+ X[2 * iostride] = tmp105 - tmp108;
+ tmp119 = tmp105 + tmp108;
+ tmp122 = tmp120 + tmp121;
+ X[4 * iostride] = tmp119 - tmp122;
+ X[0] = tmp119 + tmp122;
+ Y[-2 * iostride] = tmp121 - tmp120;
+ tmp116 = K707106781 * (tmp112 + tmp115);
+ X[3 * iostride] = tmp109 - tmp116;
+ X[iostride] = tmp109 + tmp116;
+ tmp117 = K707106781 * (tmp115 - tmp112);
+ Y[-iostride] = tmp117 - tmp118;
+ Y[-3 * iostride] = tmp118 + tmp117;
+ }
+ }
+ 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 tmp65;
+ fftw_real tmp92;
+ fftw_real tmp97;
+ fftw_real tmp63;
+ fftw_real tmp75;
+ fftw_real tmp78;
+ fftw_real tmp87;
+ fftw_real tmp40;
+ fftw_real tmp98;
+ fftw_real tmp68;
+ fftw_real tmp89;
+ fftw_real tmp52;
+ fftw_real tmp70;
+ fftw_real tmp73;
+ fftw_real tmp86;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp23;
+ fftw_real tmp91;
+ fftw_real tmp28;
+ fftw_real tmp90;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp23 = X[0];
+ tmp91 = Y[-7 * iostride];
+ {
+ fftw_real tmp25;
+ fftw_real tmp27;
+ fftw_real tmp24;
+ fftw_real tmp26;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp25 = X[4 * iostride];
+ tmp27 = Y[-3 * iostride];
+ tmp24 = c_re(W[3]);
+ tmp26 = c_im(W[3]);
+ tmp28 = (tmp24 * tmp25) - (tmp26 * tmp27);
+ tmp90 = (tmp26 * tmp25) + (tmp24 * tmp27);
+ }
+ tmp29 = tmp23 + tmp28;
+ tmp65 = tmp23 - tmp28;
+ tmp92 = tmp90 + tmp91;
+ tmp97 = tmp91 - tmp90;
+ }
+ {
+ fftw_real tmp57;
+ fftw_real tmp76;
+ fftw_real tmp62;
+ fftw_real tmp77;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp54;
+ fftw_real tmp56;
+ fftw_real tmp53;
+ fftw_real tmp55;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp54 = X[7 * iostride];
+ tmp56 = Y[0];
+ tmp53 = c_re(W[6]);
+ tmp55 = c_im(W[6]);
+ tmp57 = (tmp53 * tmp54) - (tmp55 * tmp56);
+ tmp76 = (tmp55 * tmp54) + (tmp53 * tmp56);
+ }
+ {
+ fftw_real tmp59;
+ fftw_real tmp61;
+ fftw_real tmp58;
+ fftw_real tmp60;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp59 = X[3 * iostride];
+ tmp61 = Y[-4 * iostride];
+ tmp58 = c_re(W[2]);
+ tmp60 = c_im(W[2]);
+ tmp62 = (tmp58 * tmp59) - (tmp60 * tmp61);
+ tmp77 = (tmp60 * tmp59) + (tmp58 * tmp61);
+ }
+ tmp63 = tmp57 + tmp62;
+ tmp75 = tmp57 - tmp62;
+ tmp78 = tmp76 - tmp77;
+ tmp87 = tmp76 + tmp77;
+ }
+ {
+ fftw_real tmp34;
+ fftw_real tmp66;
+ fftw_real tmp39;
+ fftw_real tmp67;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp31;
+ fftw_real tmp33;
+ fftw_real tmp30;
+ fftw_real tmp32;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp31 = X[2 * iostride];
+ tmp33 = Y[-5 * iostride];
+ tmp30 = c_re(W[1]);
+ tmp32 = c_im(W[1]);
+ tmp34 = (tmp30 * tmp31) - (tmp32 * tmp33);
+ tmp66 = (tmp32 * tmp31) + (tmp30 * tmp33);
+ }
+ {
+ fftw_real tmp36;
+ fftw_real tmp38;
+ fftw_real tmp35;
+ fftw_real tmp37;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp36 = X[6 * iostride];
+ tmp38 = Y[-iostride];
+ tmp35 = c_re(W[5]);
+ tmp37 = c_im(W[5]);
+ tmp39 = (tmp35 * tmp36) - (tmp37 * tmp38);
+ tmp67 = (tmp37 * tmp36) + (tmp35 * tmp38);
+ }
+ tmp40 = tmp34 + tmp39;
+ tmp98 = tmp34 - tmp39;
+ tmp68 = tmp66 - tmp67;
+ tmp89 = tmp66 + tmp67;
+ }
+ {
+ fftw_real tmp46;
+ fftw_real tmp71;
+ fftw_real tmp51;
+ fftw_real tmp72;
+ ASSERT_ALIGNED_DOUBLE;
+ {
+ fftw_real tmp43;
+ fftw_real tmp45;
+ fftw_real tmp42;
+ fftw_real tmp44;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp43 = X[iostride];
+ tmp45 = Y[-6 * iostride];
+ tmp42 = c_re(W[0]);
+ tmp44 = c_im(W[0]);
+ tmp46 = (tmp42 * tmp43) - (tmp44 * tmp45);
+ tmp71 = (tmp44 * tmp43) + (tmp42 * tmp45);
+ }
+ {
+ fftw_real tmp48;
+ fftw_real tmp50;
+ fftw_real tmp47;
+ fftw_real tmp49;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp48 = X[5 * iostride];
+ tmp50 = Y[-2 * iostride];
+ tmp47 = c_re(W[4]);
+ tmp49 = c_im(W[4]);
+ tmp51 = (tmp47 * tmp48) - (tmp49 * tmp50);
+ tmp72 = (tmp49 * tmp48) + (tmp47 * tmp50);
+ }
+ tmp52 = tmp46 + tmp51;
+ tmp70 = tmp46 - tmp51;
+ tmp73 = tmp71 - tmp72;
+ tmp86 = tmp71 + tmp72;
+ }
+ {
+ fftw_real tmp41;
+ fftw_real tmp64;
+ fftw_real tmp85;
+ fftw_real tmp88;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp41 = tmp29 + tmp40;
+ tmp64 = tmp52 + tmp63;
+ Y[-4 * iostride] = tmp41 - tmp64;
+ X[0] = tmp41 + tmp64;
+ {
+ fftw_real tmp95;
+ fftw_real tmp96;
+ fftw_real tmp93;
+ fftw_real tmp94;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp95 = tmp92 - tmp89;
+ tmp96 = tmp63 - tmp52;
+ X[6 * iostride] = -(tmp95 - tmp96);
+ Y[-2 * iostride] = tmp96 + tmp95;
+ tmp93 = tmp89 + tmp92;
+ tmp94 = tmp86 + tmp87;
+ X[4 * iostride] = -(tmp93 - tmp94);
+ Y[0] = tmp94 + tmp93;
+ }
+ tmp85 = tmp29 - tmp40;
+ tmp88 = tmp86 - tmp87;
+ Y[-6 * iostride] = tmp85 - tmp88;
+ X[2 * iostride] = tmp85 + tmp88;
+ {
+ fftw_real tmp81;
+ fftw_real tmp99;
+ fftw_real tmp84;
+ fftw_real tmp100;
+ fftw_real tmp82;
+ fftw_real tmp83;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp81 = tmp65 - tmp68;
+ tmp99 = tmp97 - tmp98;
+ tmp82 = tmp73 - tmp70;
+ tmp83 = tmp75 + tmp78;
+ tmp84 = K707106781 * (tmp82 - tmp83);
+ tmp100 = K707106781 * (tmp82 + tmp83);
+ Y[-7 * iostride] = tmp81 - tmp84;
+ X[3 * iostride] = tmp81 + tmp84;
+ X[5 * iostride] = -(tmp99 - tmp100);
+ Y[-iostride] = tmp100 + tmp99;
+ }
+ {
+ fftw_real tmp69;
+ fftw_real tmp101;
+ fftw_real tmp80;
+ fftw_real tmp102;
+ fftw_real tmp74;
+ fftw_real tmp79;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp69 = tmp65 + tmp68;
+ tmp101 = tmp98 + tmp97;
+ tmp74 = tmp70 + tmp73;
+ tmp79 = tmp75 - tmp78;
+ tmp80 = K707106781 * (tmp74 + tmp79);
+ tmp102 = K707106781 * (tmp79 - tmp74);
+ Y[-5 * iostride] = tmp69 - tmp80;
+ X[iostride] = tmp69 + tmp80;
+ X[7 * iostride] = -(tmp101 - tmp102);
+ Y[-3 * iostride] = tmp102 + tmp101;
+ }
+ }
+ }
+ if (i == m) {
+ fftw_real tmp1;
+ fftw_real tmp19;
+ fftw_real tmp4;
+ fftw_real tmp18;
+ fftw_real tmp8;
+ fftw_real tmp14;
+ fftw_real tmp11;
+ fftw_real tmp15;
+ fftw_real tmp2;
+ fftw_real tmp3;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp1 = X[0];
+ tmp19 = X[4 * iostride];
+ tmp2 = X[2 * iostride];
+ tmp3 = X[6 * iostride];
+ tmp4 = K707106781 * (tmp2 - tmp3);
+ tmp18 = K707106781 * (tmp2 + tmp3);
+ {
+ fftw_real tmp6;
+ fftw_real tmp7;
+ fftw_real tmp9;
+ fftw_real tmp10;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp6 = X[iostride];
+ tmp7 = X[5 * iostride];
+ tmp8 = (K923879532 * tmp6) - (K382683432 * tmp7);
+ tmp14 = (K382683432 * tmp6) + (K923879532 * tmp7);
+ tmp9 = X[3 * iostride];
+ tmp10 = X[7 * iostride];
+ tmp11 = (K382683432 * tmp9) - (K923879532 * tmp10);
+ tmp15 = (K923879532 * tmp9) + (K382683432 * tmp10);
+ }
+ {
+ fftw_real tmp5;
+ fftw_real tmp12;
+ fftw_real tmp21;
+ fftw_real tmp22;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp5 = tmp1 + tmp4;
+ tmp12 = tmp8 + tmp11;
+ X[3 * iostride] = tmp5 - tmp12;
+ X[0] = tmp5 + tmp12;
+ tmp21 = tmp11 - tmp8;
+ tmp22 = tmp19 - tmp18;
+ Y[-2 * iostride] = tmp21 - tmp22;
+ Y[-iostride] = tmp21 + tmp22;
+ }
+ {
+ fftw_real tmp17;
+ fftw_real tmp20;
+ fftw_real tmp13;
+ fftw_real tmp16;
+ ASSERT_ALIGNED_DOUBLE;
+ tmp17 = tmp14 + tmp15;
+ tmp20 = tmp18 + tmp19;
+ Y[0] = -(tmp17 + tmp20);
+ Y[-3 * iostride] = tmp20 - tmp17;
+ tmp13 = tmp1 - tmp4;
+ tmp16 = tmp14 - tmp15;
+ X[2 * iostride] = tmp13 - tmp16;
+ X[iostride] = tmp13 + tmp16;
+ }
+ }
+}
+
+static const int twiddle_order[] =
+{1, 2, 3, 4, 5, 6, 7};
+fftw_codelet_desc fftw_hc2hc_forward_8_desc =
+{
+ "fftw_hc2hc_forward_8",
+ (void (*)()) fftw_hc2hc_forward_8,
+ 8,
+ FFTW_FORWARD,
+ FFTW_HC2HC,
+ 179,
+ 7,
+ twiddle_order,
+};
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