fhb_32.c

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

		    Y[-2 * iostride] =
			(tmp531 * tmp534) - (tmp535 * tmp538);
		    X[29 * iostride] =
			(tmp535 * tmp534) + (tmp531 * tmp538);
	       }
	       {
		    fftw_real tmp540;
		    fftw_real tmp542;
		    fftw_real tmp539;
		    fftw_real tmp541;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp540 = tmp532 + tmp533;
		    tmp542 = tmp536 + tmp537;
		    tmp539 = c_re(W[12]);
		    tmp541 = c_im(W[12]);
		    Y[-18 * iostride] =
			(tmp539 * tmp540) - (tmp541 * tmp542);
		    X[13 * iostride] =
			(tmp541 * tmp540) + (tmp539 * tmp542);
	       }
	  }
     }
     if (i == m) {
	  fftw_real tmp7;
	  fftw_real tmp123;
	  fftw_real tmp35;
	  fftw_real tmp95;
	  fftw_real tmp82;
	  fftw_real tmp110;
	  fftw_real tmp146;
	  fftw_real tmp165;
	  fftw_real tmp29;
	  fftw_real tmp137;
	  fftw_real tmp141;
	  fftw_real tmp160;
	  fftw_real tmp69;
	  fftw_real tmp73;
	  fftw_real tmp103;
	  fftw_real tmp107;
	  fftw_real tmp14;
	  fftw_real tmp143;
	  fftw_real tmp46;
	  fftw_real tmp109;
	  fftw_real tmp126;
	  fftw_real tmp166;
	  fftw_real tmp77;
	  fftw_real tmp96;
	  fftw_real tmp22;
	  fftw_real tmp132;
	  fftw_real tmp140;
	  fftw_real tmp161;
	  fftw_real tmp58;
	  fftw_real tmp72;
	  fftw_real tmp100;
	  fftw_real tmp106;
	  ASSERT_ALIGNED_DOUBLE;
	  {
	       fftw_real tmp3;
	       fftw_real tmp31;
	       fftw_real tmp81;
	       fftw_real tmp144;
	       fftw_real tmp6;
	       fftw_real tmp78;
	       fftw_real tmp34;
	       fftw_real tmp145;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp1;
		    fftw_real tmp2;
		    fftw_real tmp79;
		    fftw_real tmp80;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp1 = X[0];
		    tmp2 = X[15 * iostride];
		    tmp3 = tmp1 + tmp2;
		    tmp31 = tmp1 - tmp2;
		    tmp79 = Y[0];
		    tmp80 = Y[-15 * iostride];
		    tmp81 = tmp79 + tmp80;
		    tmp144 = tmp79 - tmp80;
	       }
	       {
		    fftw_real tmp4;
		    fftw_real tmp5;
		    fftw_real tmp32;
		    fftw_real tmp33;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp4 = X[8 * iostride];
		    tmp5 = X[7 * iostride];
		    tmp6 = tmp4 + tmp5;
		    tmp78 = tmp4 - tmp5;
		    tmp32 = Y[-8 * iostride];
		    tmp33 = Y[-7 * iostride];
		    tmp34 = tmp32 + tmp33;
		    tmp145 = tmp32 - tmp33;
	       }
	       tmp7 = tmp3 + tmp6;
	       tmp123 = tmp3 - tmp6;
	       tmp35 = tmp31 - tmp34;
	       tmp95 = tmp31 + tmp34;
	       tmp82 = tmp78 + tmp81;
	       tmp110 = tmp81 - tmp78;
	       tmp146 = tmp144 - tmp145;
	       tmp165 = tmp145 + tmp144;
	  }
	  {
	       fftw_real tmp25;
	       fftw_real tmp59;
	       fftw_real tmp67;
	       fftw_real tmp134;
	       fftw_real tmp28;
	       fftw_real tmp64;
	       fftw_real tmp62;
	       fftw_real tmp135;
	       fftw_real tmp133;
	       fftw_real tmp136;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp23;
		    fftw_real tmp24;
		    fftw_real tmp65;
		    fftw_real tmp66;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp23 = X[iostride];
		    tmp24 = X[14 * iostride];
		    tmp25 = tmp23 + tmp24;
		    tmp59 = tmp23 - tmp24;
		    tmp65 = Y[-iostride];
		    tmp66 = Y[-14 * iostride];
		    tmp67 = tmp65 + tmp66;
		    tmp134 = tmp66 - tmp65;
	       }
	       {
		    fftw_real tmp26;
		    fftw_real tmp27;
		    fftw_real tmp60;
		    fftw_real tmp61;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp26 = X[6 * iostride];
		    tmp27 = X[9 * iostride];
		    tmp28 = tmp26 + tmp27;
		    tmp64 = tmp26 - tmp27;
		    tmp60 = Y[-6 * iostride];
		    tmp61 = Y[-9 * iostride];
		    tmp62 = tmp60 + tmp61;
		    tmp135 = tmp60 - tmp61;
	       }
	       tmp29 = tmp25 + tmp28;
	       tmp133 = tmp25 - tmp28;
	       tmp136 = tmp134 - tmp135;
	       tmp137 = tmp133 + tmp136;
	       tmp141 = tmp136 - tmp133;
	       tmp160 = tmp135 + tmp134;
	       {
		    fftw_real tmp63;
		    fftw_real tmp68;
		    fftw_real tmp101;
		    fftw_real tmp102;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp63 = tmp59 - tmp62;
		    tmp68 = tmp64 - tmp67;
		    tmp69 = (K923879532 * tmp63) + (K382683432 * tmp68);
		    tmp73 = (K923879532 * tmp68) - (K382683432 * tmp63);
		    tmp101 = tmp59 + tmp62;
		    tmp102 = tmp64 + tmp67;
		    tmp103 = (K382683432 * tmp101) - (K923879532 * tmp102);
		    tmp107 = (K923879532 * tmp101) + (K382683432 * tmp102);
	       }
	  }
	  {
	       fftw_real tmp10;
	       fftw_real tmp36;
	       fftw_real tmp39;
	       fftw_real tmp125;
	       fftw_real tmp13;
	       fftw_real tmp41;
	       fftw_real tmp44;
	       fftw_real tmp124;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp8;
		    fftw_real tmp9;
		    fftw_real tmp37;
		    fftw_real tmp38;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp8 = X[4 * iostride];
		    tmp9 = X[11 * iostride];
		    tmp10 = tmp8 + tmp9;
		    tmp36 = tmp8 - tmp9;
		    tmp37 = Y[-4 * iostride];
		    tmp38 = Y[-11 * iostride];
		    tmp39 = tmp37 + tmp38;
		    tmp125 = tmp37 - tmp38;
	       }
	       {
		    fftw_real tmp11;
		    fftw_real tmp12;
		    fftw_real tmp42;
		    fftw_real tmp43;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp11 = X[3 * iostride];
		    tmp12 = X[12 * iostride];
		    tmp13 = tmp11 + tmp12;
		    tmp41 = tmp11 - tmp12;
		    tmp42 = Y[-3 * iostride];
		    tmp43 = Y[-12 * iostride];
		    tmp44 = tmp42 + tmp43;
		    tmp124 = tmp43 - tmp42;
	       }
	       {
		    fftw_real tmp40;
		    fftw_real tmp45;
		    fftw_real tmp75;
		    fftw_real tmp76;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp14 = tmp10 + tmp13;
		    tmp143 = tmp10 - tmp13;
		    tmp40 = tmp36 - tmp39;
		    tmp45 = tmp41 - tmp44;
		    tmp46 = K707106781 * (tmp40 + tmp45);
		    tmp109 = K707106781 * (tmp40 - tmp45);
		    tmp126 = tmp124 - tmp125;
		    tmp166 = tmp125 + tmp124;
		    tmp75 = tmp36 + tmp39;
		    tmp76 = tmp41 + tmp44;
		    tmp77 = K707106781 * (tmp75 - tmp76);
		    tmp96 = K707106781 * (tmp75 + tmp76);
	       }
	  }
	  {
	       fftw_real tmp18;
	       fftw_real tmp48;
	       fftw_real tmp56;
	       fftw_real tmp129;
	       fftw_real tmp21;
	       fftw_real tmp53;
	       fftw_real tmp51;
	       fftw_real tmp130;
	       fftw_real tmp128;
	       fftw_real tmp131;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp16;
		    fftw_real tmp17;
		    fftw_real tmp54;
		    fftw_real tmp55;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp16 = X[2 * iostride];
		    tmp17 = X[13 * iostride];
		    tmp18 = tmp16 + tmp17;
		    tmp48 = tmp16 - tmp17;
		    tmp54 = Y[-2 * iostride];
		    tmp55 = Y[-13 * iostride];
		    tmp56 = tmp54 + tmp55;
		    tmp129 = tmp54 - tmp55;
	       }
	       {
		    fftw_real tmp19;
		    fftw_real tmp20;
		    fftw_real tmp49;
		    fftw_real tmp50;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp19 = X[10 * iostride];
		    tmp20 = X[5 * iostride];
		    tmp21 = tmp19 + tmp20;
		    tmp53 = tmp19 - tmp20;
		    tmp49 = Y[-10 * iostride];
		    tmp50 = Y[-5 * iostride];
		    tmp51 = tmp49 + tmp50;
		    tmp130 = tmp49 - tmp50;
	       }
	       tmp22 = tmp18 + tmp21;
	       tmp128 = tmp18 - tmp21;
	       tmp131 = tmp129 - tmp130;
	       tmp132 = tmp128 - tmp131;
	       tmp140 = tmp128 + tmp131;
	       tmp161 = tmp130 + tmp129;
	       {
		    fftw_real tmp52;
		    fftw_real tmp57;
		    fftw_real tmp98;
		    fftw_real tmp99;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp52 = tmp48 - tmp51;
		    tmp57 = tmp53 + tmp56;
		    tmp58 = (K923879532 * tmp52) - (K382683432 * tmp57);
		    tmp72 = (K382683432 * tmp52) + (K923879532 * tmp57);
		    tmp98 = tmp48 + tmp51;
		    tmp99 = tmp56 - tmp53;
		    tmp100 = (K382683432 * tmp98) - (K923879532 * tmp99);
		    tmp106 = (K923879532 * tmp98) + (K382683432 * tmp99);
	       }
	  }
	  {
	       fftw_real tmp15;
	       fftw_real tmp30;
	       fftw_real tmp171;
	       fftw_real tmp172;
	       fftw_real tmp173;
	       fftw_real tmp174;
	       ASSERT_ALIGNED_DOUBLE;
	       tmp15 = tmp7 + tmp14;
	       tmp30 = tmp22 + tmp29;
	       tmp171 = tmp15 - tmp30;
	       tmp172 = tmp166 + tmp165;
	       tmp173 = tmp161 + tmp160;
	       tmp174 = tmp172 - tmp173;
	       X[0] = K2_000000000 * (tmp15 + tmp30);
	       X[16 * iostride] = -(K2_000000000 * (tmp173 + tmp172));
	       X[8 * iostride] = K1_414213562 * (tmp171 - tmp174);
	       X[24 * iostride] = -(K1_414213562 * (tmp171 + tmp174));
	  }
	  {
	       fftw_real tmp163;
	       fftw_real tmp169;
	       fftw_real tmp168;
	       fftw_real tmp170;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp159;
		    fftw_real tmp162;
		    fftw_real tmp164;
		    fftw_real tmp167;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp159 = tmp7 - tmp14;
		    tmp162 = tmp160 - tmp161;
		    tmp163 = tmp159 + tmp162;
		    tmp169 = tmp159 - tmp162;
		    tmp164 = tmp22 - tmp29;
		    tmp167 = tmp165 - tmp166;
		    tmp168 = tmp164 + tmp167;
		    tmp170 = tmp167 - tmp164;
	       }
	       X[4 * iostride] =
		   (K1_847759065 * tmp163) - (K765366864 * tmp168);
	       X[20 * iostride] =
		   -((K765366864 * tmp163) + (K1_847759065 * tmp168));
	       X[12 * iostride] =
		   (K765366864 * tmp169) - (K1_847759065 * tmp170);
	       X[28 * iostride] =
		   -((K1_847759065 * tmp169) + (K765366864 * tmp170));
	  }
	  {
	       fftw_real tmp71;
	       fftw_real tmp85;
	       fftw_real tmp84;
	       fftw_real tmp86;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp47;
		    fftw_real tmp70;
		    fftw_real tmp74;
		    fftw_real tmp83;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp47 = tmp35 + tmp46;
		    tmp70 = tmp58 + tmp69;
		    tmp71 = tmp47 + tmp70;
		    tmp85 = tmp47 - tmp70;
		    tmp74 = tmp72 + tmp73;
		    tmp83 = tmp77 + tmp82;
		    tmp84 = tmp74 + tmp83;
		    tmp86 = tmp83 - tmp74;
	       }
	       X[iostride] = (K1_990369453 * tmp71) - (K196034280 * tmp84);
	       X[17 * iostride] =
		   -((K196034280 * tmp71) + (K1_990369453 * tmp84));
	       X[9 * iostride] =
		   (K1_268786568 * tmp85) - (K1_546020906 * tmp86);
	       X[25 * iostride] =
		   -((K1_546020906 * tmp85) + (K1_268786568 * tmp86));
	  }
	  {
	       fftw_real tmp89;
	       fftw_real tmp93;
	       fftw_real tmp92;
	       fftw_real tmp94;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp87;
		    fftw_real tmp88;
		    fftw_real tmp90;
		    fftw_real tmp91;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp87 = tmp35 - tmp46;
		    tmp88 = tmp73 - tmp72;
		    tmp89 = tmp87 + tmp88;
		    tmp93 = tmp87 - tmp88;
		    tmp90 = tmp58 - tmp69;
		    tmp91 = tmp82 - tmp77;
		    tmp92 = tmp90 + tmp91;
		    tmp94 = tmp91 - tmp90;
	       }
	       X[5 * iostride] =
		   (K1_763842528 * tmp89) - (K942793473 * tmp92);
	       X[21 * iostride] =
		   -((K942793473 * tmp89) + (K1_763842528 * tmp92));
	       X[13 * iostride] =
		   (K580569354 * tmp93) - (K1_913880671 * tmp94);
	       X[29 * iostride] =
		   -((K1_913880671 * tmp93) + (K580569354 * tmp94));
	  }
	  {
	       fftw_real tmp105;
	       fftw_real tmp113;
	       fftw_real tmp112;
	       fftw_real tmp114;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp97;
		    fftw_real tmp104;
		    fftw_real tmp108;
		    fftw_real tmp111;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp97 = tmp95 - tmp96;
		    tmp104 = tmp100 + tmp103;
		    tmp105 = tmp97 + tmp104;
		    tmp113 = tmp97 - tmp104;
		    tmp108 = tmp106 - tmp107;
		    tmp111 = tmp109 + tmp110;
		    tmp112 = tmp108 + tmp111;
		    tmp114 = tmp111 - tmp108;
	       }
	       X[3 * iostride] =
		   (K1_913880671 * tmp105) - (K580569354 * tmp112);
	       X[19 * iostride] =
		   -((K580569354 * tmp105) + (K1_913880671 * tmp112));
	       X[11 * iostride] =
		   (K942793473 * tmp113) - (K1_763842528 * tmp114);
	       X[27 * iostride] =
		   -((K1_763842528 * tmp113) + (K942793473 * tmp114));
	  }
	  {
	       fftw_real tmp117;
	       fftw_real tmp121;
	       fftw_real tmp120;
	       fftw_real tmp122;
	       ASSERT_ALIGNED_DOUBLE;
	       {
		    fftw_real tmp115;
		    fftw_real tmp116;
		    fftw_real tmp118;
		    fftw_real tmp119;
		    ASSERT_ALIGNED_DOUBLE;
		    tmp115 = tmp95 + tmp96;
		    tmp116 = tmp106 + tmp107;
		    tmp117 = tmp115 - tmp116;
		    tmp121 = tmp115 + tmp116;
		    tmp118 = tmp100 - tmp103;
		    tmp119 = tmp110 - tmp109;
		    tmp120 = tmp118 + tmp119;
		    tmp122 = tmp119 - tmp118;
	       }
	       X[7 * iostride] =
		   (K1_546020906 * tmp117) - (K1_268786568 * tmp120);
	       X[23 * iostride] =
		   -((K1_268786568 * tmp117) + (K1_546020906 * tmp120));
	       X[15 * iostride] =
		   (K196034280 * tmp121) - (K1_990369453 * tmp122);
	       X[31 * iostride] =
		   -((K1_990369453 * tmp121) + (K196034280 * tmp122));
	  }
	  {
	       fftw_real tmp139;
	       fftw_real tmp149;
	       fftw_real tmp148;
	       fftw_real tmp150;
	       ASSERT_A