fhf_9.c

FFTW, a collection of fast C routines to compute the Discrete Fourier Transform in one or more dime

		    tmp68 = (tmp64 * tmp65) - (tmp66 * tmp67);
		    tmp90 = (tmp66 * tmp65) + (tmp64 * tmp67);
	       }
	       tmp69 = tmp63 + tmp68;
	       tmp95 = tmp89 + tmp90;
	       {
		    fftw_real tmp88;
		    fftw_real tmp91;
		    fftw_real tmp93;
		    fftw_real tmp96;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp70 = tmp58 + tmp69;
		    tmp88 = tmp58 - (K500000000 * tmp69);
		    tmp91 = K866025403 * (tmp89 - tmp90);
		    tmp92 = tmp88 + tmp91;
		    tmp109 = tmp88 - tmp91;
		    tmp118 = tmp94 + tmp95;
		    tmp93 = K866025403 * (tmp68 - tmp63);
		    tmp96 = tmp94 - (K500000000 * tmp95);
		    tmp97 = tmp93 + tmp96;
		    tmp108 = tmp96 - tmp93;
	       }
	  }
	  {
	       fftw_real tmp41;
	       fftw_real tmp83;
	       fftw_real tmp46;
	       fftw_real tmp78;
	       fftw_real tmp51;
	       fftw_real tmp79;
	       fftw_real tmp52;
	       fftw_real tmp84;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp38;
		    fftw_real tmp40;
		    fftw_real tmp37;
		    fftw_real tmp39;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp38 = X[iostride];
		    tmp40 = Y[-7 * iostride];
		    tmp37 = c_re(W[0]);
		    tmp39 = c_im(W[0]);
		    tmp41 = (tmp37 * tmp38) - (tmp39 * tmp40);
		    tmp83 = (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[-4 * iostride];
		    tmp42 = c_re(W[3]);
		    tmp44 = c_im(W[3]);
		    tmp46 = (tmp42 * tmp43) - (tmp44 * tmp45);
		    tmp78 = (tmp44 * tmp43) + (tmp42 * tmp45);
	       }
	       {
		    fftw_real tmp48;
		    fftw_real tmp50;
		    fftw_real tmp47;
		    fftw_real tmp49;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp48 = X[7 * iostride];
		    tmp50 = Y[-iostride];
		    tmp47 = c_re(W[6]);
		    tmp49 = c_im(W[6]);
		    tmp51 = (tmp47 * tmp48) - (tmp49 * tmp50);
		    tmp79 = (tmp49 * tmp48) + (tmp47 * tmp50);
	       }
	       tmp52 = tmp46 + tmp51;
	       tmp84 = tmp78 + tmp79;
	       {
		    fftw_real tmp77;
		    fftw_real tmp80;
		    fftw_real tmp82;
		    fftw_real tmp85;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp53 = tmp41 + tmp52;
		    tmp77 = tmp41 - (K500000000 * tmp52);
		    tmp80 = K866025403 * (tmp78 - tmp79);
		    tmp81 = tmp77 + tmp80;
		    tmp105 = tmp77 - tmp80;
		    tmp117 = tmp83 + tmp84;
		    tmp82 = K866025403 * (tmp51 - tmp46);
		    tmp85 = tmp83 - (K500000000 * tmp84);
		    tmp86 = tmp82 + tmp85;
		    tmp106 = tmp85 - tmp82;
	       }
	  }
	  {
	       fftw_real tmp119;
	       fftw_real tmp36;
	       fftw_real tmp71;
	       fftw_real tmp116;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp119 = K866025403 * (tmp117 - tmp118);
	       tmp36 = tmp24 + tmp35;
	       tmp71 = tmp53 + tmp70;
	       tmp116 = tmp36 - (K500000000 * tmp71);
	       X[0] = tmp36 + tmp71;
	       X[3 * iostride] = tmp116 + tmp119;
	       Y[-6 * iostride] = tmp116 - tmp119;
	  }
	  {
	       fftw_real tmp125;
	       fftw_real tmp120;
	       fftw_real tmp123;
	       fftw_real tmp124;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp125 = K866025403 * (tmp70 - tmp53);
	       tmp120 = tmp117 + tmp118;
	       tmp123 = tmp121 + tmp122;
	       tmp124 = tmp123 - (K500000000 * tmp120);
	       Y[0] = tmp120 + tmp123;
	       Y[-3 * iostride] = tmp125 + tmp124;
	       X[6 * iostride] = -(tmp124 - tmp125);
	  }
	  {
	       fftw_real tmp76;
	       fftw_real tmp129;
	       fftw_real tmp99;
	       fftw_real tmp131;
	       fftw_real tmp103;
	       fftw_real tmp126;
	       fftw_real tmp100;
	       fftw_real tmp130;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp76 = tmp72 + tmp75;
	       tmp129 = tmp127 + tmp128;
	       {
		    fftw_real tmp87;
		    fftw_real tmp98;
		    fftw_real tmp101;
		    fftw_real tmp102;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp87 = (K766044443 * tmp81) + (K642787609 * tmp86);
		    tmp98 = (K173648177 * tmp92) + (K984807753 * tmp97);
		    tmp99 = tmp87 + tmp98;
		    tmp131 = K866025403 * (tmp98 - tmp87);
		    tmp101 = (K766044443 * tmp86) - (K642787609 * tmp81);
		    tmp102 = (K173648177 * tmp97) - (K984807753 * tmp92);
		    tmp103 = K866025403 * (tmp101 - tmp102);
		    tmp126 = tmp101 + tmp102;
	       }
	       X[iostride] = tmp76 + tmp99;
	       tmp100 = tmp76 - (K500000000 * tmp99);
	       Y[-7 * iostride] = tmp100 - tmp103;
	       X[4 * iostride] = tmp100 + tmp103;
	       Y[-iostride] = tmp126 + tmp129;
	       tmp130 = tmp129 - (K500000000 * tmp126);
	       X[7 * iostride] = -(tmp130 - tmp131);
	       Y[-4 * iostride] = tmp131 + tmp130;
	  }
	  {
	       fftw_real tmp104;
	       fftw_real tmp133;
	       fftw_real tmp111;
	       fftw_real tmp132;
	       fftw_real tmp115;
	       fftw_real tmp134;
	       fftw_real tmp112;
	       fftw_real tmp135;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp104 = tmp72 - tmp75;
	       tmp133 = tmp128 - tmp127;
	       {
		    fftw_real tmp107;
		    fftw_real tmp110;
		    fftw_real tmp113;
		    fftw_real tmp114;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp107 = (K173648177 * tmp105) + (K984807753 * tmp106);
		    tmp110 = (K342020143 * tmp108) - (K939692620 * tmp109);
		    tmp111 = tmp107 + tmp110;
		    tmp132 = K866025403 * (tmp110 - tmp107);
		    tmp113 = (K173648177 * tmp106) - (K984807753 * tmp105);
		    tmp114 = (K342020143 * tmp109) + (K939692620 * tmp108);
		    tmp115 = K866025403 * (tmp113 + tmp114);
		    tmp134 = tmp113 - tmp114;
	       }
	       X[2 * iostride] = tmp104 + tmp111;
	       tmp112 = tmp104 - (K500000000 * tmp111);
	       Y[-8 * iostride] = tmp112 - tmp115;
	       Y[-5 * iostride] = tmp112 + tmp115;
	       Y[-2 * iostride] = tmp134 + tmp133;
	       tmp135 = tmp133 - (K500000000 * tmp134);
	       X[5 * iostride] = -(tmp132 + tmp135);
	       X[8 * iostride] = -(tmp135 - tmp132);
	  }
     }
     if (i == m) {
	  fftw_real tmp17;
	  fftw_real tmp19;
	  fftw_real tmp4;
	  fftw_real tmp9;
	  fftw_real tmp11;
	  fftw_real tmp10;
	  fftw_real tmp12;
	  fftw_real tmp23;
	  fftw_real tmp15;
	  fftw_real tmp21;
	  fftw_real tmp5;
	  fftw_real tmp7;
	  fftw_real tmp6;
	  fftw_real tmp8;
	  fftw_real tmp22;
	  fftw_real tmp14;
	  fftw_real tmp18;
	  fftw_real tmp20;
	  fftw_real tmp1;
	  fftw_real tmp3;
	  fftw_real tmp2;
	  fftw_real tmp16;
	  fftw_real tmp13;
	  ASSERT_ALIGNED_DOUBLE;
	  tmp1 = X[0];
	  tmp3 = X[3 * iostride];
	  tmp2 = X[6 * iostride];
	  tmp17 = K866025403 * (tmp2 + tmp3);
	  tmp19 = tmp1 + tmp2 - tmp3;
	  tmp4 = tmp1 - (K500000000 * (tmp2 - tmp3));
	  tmp9 = X[4 * iostride];
	  tmp11 = X[7 * iostride];
	  tmp10 = X[iostride];
	  tmp12 =
	      (K347296355 * tmp9) + (K1_879385241 * tmp10) -
	      (K1_532088886 * tmp11);
	  tmp23 =
	      (K1_879385241 * tmp9) + (K1_532088886 * tmp10) +
	      (K347296355 * tmp11);
	  tmp15 =
	      (K1_969615506 * tmp9) + (K684040286 * tmp10) +
	      (K1_285575219 * tmp11);
	  tmp21 =
	      (K1_285575219 * tmp10) - (K1_969615506 * tmp11) -
	      (K684040286 * tmp9);
	  tmp5 = X[2 * iostride];
	  tmp7 = X[8 * iostride];
	  tmp6 = X[5 * iostride];
	  tmp8 =
	      (K1_532088886 * tmp5) - (K347296355 * tmp6) -
	      (K1_879385241 * tmp7);
	  tmp22 =
	      (K347296355 * tmp5) + (K1_532088886 * tmp7) +
	      (K1_879385241 * tmp6);
	  tmp14 =
	      (K1_285575219 * tmp5) + (K684040286 * tmp7) +
	      (K1_969615506 * tmp6);
	  tmp18 = tmp6 - (tmp5 + tmp7);
	  tmp20 =
	      (K1_285575219 * tmp7) - (K684040286 * tmp6) -
	      (K1_969615506 * tmp5);
	  Y[-iostride] = K866025403 * (tmp9 + tmp18 - (tmp10 + tmp11));
	  X[iostride] =
	      tmp19 + (K500000000 * (tmp18 + tmp10 + tmp11 - tmp9));
	  X[4 * iostride] =
	      tmp19 + tmp5 + tmp7 + tmp9 - (tmp6 + tmp10 + tmp11);
	  X[2 * iostride] =
	      tmp4 + (K250000000 * (tmp23 - tmp22)) +
	      (K433012701 * (tmp20 - tmp21));
	  Y[-2 * iostride] =
	      tmp17 - (K250000000 * (tmp20 + tmp21)) -
	      (K433012701 * (tmp22 + tmp23));
	  tmp16 = tmp14 + tmp15;
	  Y[0] = -(tmp17 + (K500000000 * tmp16));
	  Y[-3 * iostride] =
	      (K250000000 * tmp16) - (K433012701 * (tmp12 - tmp8)) - tmp17;
	  tmp13 = tmp8 + tmp12;
	  X[0] = tmp4 + (K500000000 * tmp13);
	  X[3 * iostride] =
	      tmp4 + (K433012701 * (tmp14 - tmp15)) - (K250000000 * tmp13);
     }
}

static const int twiddle_order[] = { 1, 2, 3, 4, 5, 6, 7, 8 };
fftw_codelet_desc fftw_hc2hc_forward_9_desc = {
     "fftw_hc2hc_forward_9",
     (void (*)()) fftw_hc2hc_forward_9,
     9,
     FFTW_FORWARD,
     FFTW_HC2HC,
     201,
     8,
     twiddle_order,
};