fhb_10.c

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

		    tmp64 = tmp62 - tmp63;
		    tmp115 = tmp62 + tmp63;
	       }
	       {
		    fftw_real tmp78;
		    fftw_real tmp79;
		    fftw_real tmp114;
		    fftw_real tmp117;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp61 = tmp57 - tmp60;
		    tmp68 = tmp64 - tmp67;
		    tmp78 = tmp57 + tmp60;
		    tmp79 = tmp64 + tmp67;
		    tmp80 = tmp78 + tmp79;
		    tmp82 = K559016994 * (tmp78 - tmp79);
		    tmp134 = tmp115 + tmp116;
		    tmp133 = tmp112 + tmp113;
		    tmp114 = tmp112 - tmp113;
		    tmp117 = tmp115 - tmp116;
		    tmp118 = tmp114 + tmp117;
		    tmp126 = K559016994 * (tmp114 - tmp117);
	       }
	  }
	  X[0] = tmp35 + tmp50;
	  {
	       fftw_real tmp69;
	       fftw_real tmp91;
	       fftw_real tmp54;
	       fftw_real tmp90;
	       fftw_real tmp95;
	       fftw_real tmp74;
	       fftw_real tmp83;
	       fftw_real tmp94;
	       fftw_real tmp52;
	       fftw_real tmp81;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp69 = (K587785252 * tmp61) - (K951056516 * tmp68);
	       tmp91 = (K951056516 * tmp61) + (K587785252 * tmp68);
	       tmp52 = tmp35 - (K250000000 * tmp50);
	       tmp54 = tmp52 - tmp53;
	       tmp90 = tmp53 + tmp52;
	       tmp95 = (K951056516 * tmp72) + (K587785252 * tmp73);
	       tmp74 = (K587785252 * tmp72) - (K951056516 * tmp73);
	       tmp81 = tmp77 - (K250000000 * tmp80);
	       tmp83 = tmp81 - tmp82;
	       tmp94 = tmp82 + tmp81;
	       {
		    fftw_real tmp70;
		    fftw_real tmp84;
		    fftw_real tmp51;
		    fftw_real tmp71;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp70 = tmp54 - tmp69;
		    tmp84 = tmp74 + tmp83;
		    tmp51 = c_re(W[1]);
		    tmp71 = c_im(W[1]);
		    X[2 * iostride] = (tmp51 * tmp70) + (tmp71 * tmp84);
		    Y[-7 * iostride] = (tmp51 * tmp84) - (tmp71 * tmp70);
	       }
	       {
		    fftw_real tmp86;
		    fftw_real tmp88;
		    fftw_real tmp85;
		    fftw_real tmp87;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp86 = tmp54 + tmp69;
		    tmp88 = tmp83 - tmp74;
		    tmp85 = c_re(W[7]);
		    tmp87 = c_im(W[7]);
		    X[8 * iostride] = (tmp85 * tmp86) + (tmp87 * tmp88);
		    Y[-iostride] = (tmp85 * tmp88) - (tmp87 * tmp86);
	       }
	       {
		    fftw_real tmp92;
		    fftw_real tmp96;
		    fftw_real tmp89;
		    fftw_real tmp93;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp92 = tmp90 + tmp91;
		    tmp96 = tmp94 - tmp95;
		    tmp89 = c_re(W[3]);
		    tmp93 = c_im(W[3]);
		    X[4 * iostride] = (tmp89 * tmp92) + (tmp93 * tmp96);
		    Y[-5 * iostride] = (tmp89 * tmp96) - (tmp93 * tmp92);
	       }
	       {
		    fftw_real tmp98;
		    fftw_real tmp100;
		    fftw_real tmp97;
		    fftw_real tmp99;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp98 = tmp90 - tmp91;
		    tmp100 = tmp95 + tmp94;
		    tmp97 = c_re(W[5]);
		    tmp99 = c_im(W[5]);
		    X[6 * iostride] = (tmp97 * tmp98) + (tmp99 * tmp100);
		    Y[-3 * iostride] = (tmp97 * tmp100) - (tmp99 * tmp98);
	       }
	  }
	  Y[-9 * iostride] = tmp80 + tmp77;
	  {
	       fftw_real tmp110;
	       fftw_real tmp120;
	       fftw_real tmp101;
	       fftw_real tmp111;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp110 = tmp102 + tmp109;
	       tmp120 = tmp118 + tmp119;
	       tmp101 = c_re(W[4]);
	       tmp111 = c_im(W[4]);
	       X[5 * iostride] = (tmp101 * tmp110) + (tmp111 * tmp120);
	       Y[-4 * iostride] = (tmp101 * tmp120) - (tmp111 * tmp110);
	  }
	  {
	       fftw_real tmp124;
	       fftw_real tmp142;
	       fftw_real tmp127;
	       fftw_real tmp143;
	       fftw_real tmp147;
	       fftw_real tmp135;
	       fftw_real tmp132;
	       fftw_real tmp146;
	       fftw_real tmp125;
	       fftw_real tmp130;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp124 = (K587785252 * tmp122) - (K951056516 * tmp123);
	       tmp142 = (K951056516 * tmp122) + (K587785252 * tmp123);
	       tmp125 = tmp119 - (K250000000 * tmp118);
	       tmp127 = tmp125 - tmp126;
	       tmp143 = tmp126 + tmp125;
	       tmp147 = (K951056516 * tmp133) + (K587785252 * tmp134);
	       tmp135 = (K587785252 * tmp133) - (K951056516 * tmp134);
	       tmp130 = tmp102 - (K250000000 * tmp109);
	       tmp132 = tmp130 - tmp131;
	       tmp146 = tmp131 + tmp130;
	       {
		    fftw_real tmp128;
		    fftw_real tmp136;
		    fftw_real tmp121;
		    fftw_real tmp129;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp128 = tmp124 + tmp127;
		    tmp136 = tmp132 - tmp135;
		    tmp121 = c_re(W[6]);
		    tmp129 = c_im(W[6]);
		    Y[-2 * iostride] =
			(tmp121 * tmp128) - (tmp129 * tmp136);
		    X[7 * iostride] =
			(tmp121 * tmp136) + (tmp129 * tmp128);
	       }
	       {
		    fftw_real tmp138;
		    fftw_real tmp140;
		    fftw_real tmp137;
		    fftw_real tmp139;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp138 = tmp127 - tmp124;
		    tmp140 = tmp132 + tmp135;
		    tmp137 = c_re(W[2]);
		    tmp139 = c_im(W[2]);
		    Y[-6 * iostride] =
			(tmp137 * tmp138) - (tmp139 * tmp140);
		    X[3 * iostride] =
			(tmp137 * tmp140) + (tmp139 * tmp138);
	       }
	       {
		    fftw_real tmp144;
		    fftw_real tmp148;
		    fftw_real tmp141;
		    fftw_real tmp145;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp144 = tmp142 + tmp143;
		    tmp148 = tmp146 - tmp147;
		    tmp141 = c_re(W[0]);
		    tmp145 = c_im(W[0]);
		    Y[-8 * iostride] =
			(tmp141 * tmp144) - (tmp145 * tmp148);
		    X[iostride] = (tmp141 * tmp148) + (tmp145 * tmp144);
	       }
	       {
		    fftw_real tmp150;
		    fftw_real tmp152;
		    fftw_real tmp149;
		    fftw_real tmp151;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp150 = tmp143 - tmp142;
		    tmp152 = tmp146 + tmp147;
		    tmp149 = c_re(W[8]);
		    tmp151 = c_im(W[8]);
		    Y[0] = (tmp149 * tmp150) - (tmp151 * tmp152);
		    X[9 * iostride] =
			(tmp149 * tmp152) + (tmp151 * tmp150);
	       }
	  }
     }
     if (i == m) {
	  fftw_real tmp1;
	  fftw_real tmp24;
	  fftw_real tmp8;
	  fftw_real tmp10;
	  fftw_real tmp25;
	  fftw_real tmp26;
	  fftw_real tmp14;
	  fftw_real tmp28;
	  fftw_real tmp23;
	  fftw_real tmp17;
	  ASSERT_ALIGNED_DOUBLE;
	  tmp1 = X[2 * iostride];
	  tmp24 = Y[-2 * iostride];
	  {
	       fftw_real tmp2;
	       fftw_real tmp3;
	       fftw_real tmp4;
	       fftw_real tmp5;
	       fftw_real tmp6;
	       fftw_real tmp7;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp2 = X[4 * iostride];
	       tmp3 = X[0];
	       tmp4 = tmp2 + tmp3;
	       tmp5 = X[3 * iostride];
	       tmp6 = X[iostride];
	       tmp7 = tmp5 + tmp6;
	       tmp8 = tmp4 + tmp7;
	       tmp10 = K1_118033988 * (tmp7 - tmp4);
	       tmp25 = tmp2 - tmp3;
	       tmp26 = tmp5 - tmp6;
	  }
	  {
	       fftw_real tmp12;
	       fftw_real tmp13;
	       fftw_real tmp22;
	       fftw_real tmp15;
	       fftw_real tmp16;
	       fftw_real tmp21;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp12 = Y[-4 * iostride];
	       tmp13 = Y[0];
	       tmp22 = tmp12 + tmp13;
	       tmp15 = Y[-iostride];
	       tmp16 = Y[-3 * iostride];
	       tmp21 = tmp15 + tmp16;
	       tmp14 = tmp12 - tmp13;
	       tmp28 = K1_118033988 * (tmp22 + tmp21);
	       tmp23 = tmp21 - tmp22;
	       tmp17 = tmp15 - tmp16;
	  }
	  X[0] = K2_000000000 * (tmp1 + tmp8);
	  {
	       fftw_real tmp18;
	       fftw_real tmp19;
	       fftw_real tmp11;
	       fftw_real tmp20;
	       fftw_real tmp9;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp18 = (K1_175570504 * tmp14) - (K1_902113032 * tmp17);
	       tmp19 = (K1_902113032 * tmp14) + (K1_175570504 * tmp17);
	       tmp9 = (K500000000 * tmp8) - (K2_000000000 * tmp1);
	       tmp11 = tmp9 - tmp10;
	       tmp20 = tmp9 + tmp10;
	       X[2 * iostride] = tmp11 + tmp18;
	       X[8 * iostride] = tmp18 - tmp11;
	       X[4 * iostride] = tmp19 - tmp20;
	       X[6 * iostride] = tmp20 + tmp19;
	  }
	  X[5 * iostride] = K2_000000000 * (tmp23 - tmp24);
	  {
	       fftw_real tmp27;
	       fftw_real tmp31;
	       fftw_real tmp30;
	       fftw_real tmp32;
	       fftw_real tmp29;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp27 = (K1_902113032 * tmp25) + (K1_175570504 * tmp26);
	       tmp31 = (K1_902113032 * tmp26) - (K1_175570504 * tmp25);
	       tmp29 = (K500000000 * tmp23) + (K2_000000000 * tmp24);
	       tmp30 = tmp28 + tmp29;
	       tmp32 = tmp29 - tmp28;
	       X[iostride] = -(tmp27 + tmp30);
	       X[9 * iostride] = tmp27 - tmp30;
	       X[3 * iostride] = tmp31 + tmp32;
	       X[7 * iostride] = tmp32 - tmp31;
	  }
     }
}

static const int twiddle_order[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
fftw_codelet_desc fftw_hc2hc_backward_10_desc = {
     "fftw_hc2hc_backward_10",
     (void (*)()) fftw_hc2hc_backward_10,
     10,
     FFTW_BACKWARD,
     FFTW_HC2HC,
     234,
     9,
     twiddle_order,
};