1 | MODULE module_init_utilities |
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2 | |
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3 | CONTAINS |
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4 | |
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5 | real function interp_0( v_in, & |
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6 | z_in, z_out, nz_in ) |
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7 | implicit none |
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8 | integer nz_in, nz_out |
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9 | real v_in(nz_in), z_in(nz_in) |
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10 | real z_out |
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11 | |
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12 | integer kp, k, im, ip |
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13 | logical interp, increasing_z |
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14 | real height, w1, w2 |
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15 | logical debug |
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16 | parameter ( debug = .false. ) |
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17 | |
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18 | ! does vertical coordinate increase or decrease with increasing k? |
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19 | ! set offset appropriately |
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20 | |
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21 | height = z_out |
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22 | |
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23 | if(debug) write(6,*) ' height in interp_0 ',height |
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24 | |
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25 | if (z_in(nz_in) .gt. z_in(1)) then |
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26 | |
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27 | if(debug) write(6,*) ' monotonic increase in z in interp_0 ' |
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28 | IF (height > z_in(nz_in)) then |
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29 | if(debug) write(6,*) ' point 1 in interp_0 ' |
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30 | w2 = (z_in(nz_in)-height)/(z_in(nz_in)-z_in(nz_in-1)) |
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31 | w1 = 1.-w2 |
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32 | interp_0 = w1*v_in(nz_in) + w2*v_in(nz_in-1) |
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33 | ELSE IF (height < z_in(1)) then |
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34 | if(debug) write(6,*) ' point 2 in interp_0 ' |
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35 | w2 = (z_in(2)-height)/(z_in(2)-z_in(1)) |
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36 | w1 = 1.-w2 |
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37 | interp_0 = w1*v_in(2) + w2*v_in(1) |
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38 | ELSE |
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39 | if(debug) write(6,*) ' point 3 in interp_0 ' |
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40 | interp = .false. |
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41 | kp = nz_in |
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42 | DO WHILE ( (interp .eqv. .false.) .and. (kp .ge. 2) ) |
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43 | IF( ((z_in(kp) .ge. height) .and. & |
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44 | (z_in(kp-1) .le. height)) ) THEN |
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45 | w2 = (height-z_in(kp))/(z_in(kp-1)-z_in(kp)) |
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46 | w1 = 1.-w2 |
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47 | interp_0 = w1*v_in(kp) + w2*v_in(kp-1) |
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48 | if(debug) write(6,*) ' interp data, kp, w1, w2 ',kp, w1, w2 |
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49 | if(debug) write(6,*) ' interp data, v_in(kp), v_in(kp-1), interp_0 ', & |
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50 | v_in(kp), v_in(kp-1), interp_0 |
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51 | interp = .true. |
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52 | END IF |
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53 | kp = kp-1 |
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54 | ENDDO |
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55 | ENDIF |
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56 | |
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57 | else |
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58 | |
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59 | if(debug) write(6,*) ' monotonic decrease in z in interp_0 ' |
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60 | |
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61 | IF (height < z_in(nz_in)) then |
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62 | if(debug) write(6,*) ' point 1 in interp_0 ' |
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63 | w2 = (z_in(nz_in)-height)/(z_in(nz_in)-z_in(nz_in-1)) |
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64 | w1 = 1.-w2 |
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65 | interp_0 = w1*v_in(nz_in) + w2*v_in(nz_in-1) |
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66 | ELSE IF (height > z_in(1)) then |
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67 | if(debug) write(6,*) ' point 2 in interp_0 ' |
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68 | w2 = (z_in(2)-height)/(z_in(2)-z_in(1)) |
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69 | w1 = 1.-w2 |
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70 | interp_0 = w1*v_in(2) + w2*v_in(1) |
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71 | ELSE |
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72 | if(debug) write(6,*) ' point 3 in interp_0 ' |
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73 | interp = .false. |
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74 | kp = nz_in |
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75 | height = z_out |
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76 | DO WHILE ( (interp .eqv. .false.) .and. (kp .ge. 2) ) |
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77 | IF( ((z_in(kp) .le. height) .and. & |
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78 | (z_in(kp-1) .ge. height)) ) THEN |
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79 | w2 = (height-z_in(kp))/(z_in(kp-1)-z_in(kp)) |
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80 | w1 = 1.-w2 |
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81 | interp_0 = w1*v_in(kp) + w2*v_in(kp-1) |
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82 | interp = .true. |
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83 | END IF |
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84 | kp = kp-1 |
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85 | ENDDO |
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86 | ENDIF |
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87 | |
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88 | end if |
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89 | |
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90 | return |
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91 | END FUNCTION interp_0 |
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92 | |
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93 | real function interp_0_log( v_in, & |
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94 | p_in, p_out, nz_in ) |
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95 | implicit none |
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96 | integer nz_in, nz_out |
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97 | real v_in(nz_in), p_in(nz_in) |
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98 | real p_out |
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99 | |
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100 | integer kp, k, im, ip |
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101 | logical interp, increasing_z |
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102 | real height, w1, w2 |
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103 | logical debug |
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104 | parameter ( debug = .false. ) |
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105 | |
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106 | ! does vertical coordinate increase or decrease with increasing k? |
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107 | ! set offset appropriately |
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108 | |
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109 | height = p_out |
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110 | |
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111 | if(debug) write(6,*) ' height in interp_0 ',height |
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112 | |
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113 | if (p_in(nz_in) .gt. p_in(1)) then |
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114 | |
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115 | if(debug) write(6,*) ' monotonic increase in z in interp_0 ' |
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116 | IF (height > p_in(nz_in)) then |
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117 | if(debug) write(6,*) ' point 1 in interp_0 ' |
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118 | w2 = log(p_in(nz_in)/height)/log(p_in(nz_in)/p_in(nz_in-1)) |
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119 | w1 = 1.-w2 |
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120 | interp_0_log = w1*v_in(nz_in) + w2*v_in(nz_in-1) |
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121 | ELSE IF (height < p_in(1)) then |
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122 | if(debug) write(6,*) ' point 2 in interp_0 ' |
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123 | w2 = log(p_in(2)/height)/log(p_in(2)/p_in(1)) |
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124 | w1 = 1.-w2 |
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125 | interp_0_log = w1*v_in(2) + w2*v_in(1) |
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126 | ELSE |
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127 | if(debug) write(6,*) ' point 3 in interp_0 ' |
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128 | interp = .false. |
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129 | kp = nz_in |
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130 | DO WHILE ( (interp .eqv. .false.) .and. (kp .ge. 2) ) |
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131 | IF( ((p_in(kp) .ge. height) .and. & |
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132 | (p_in(kp-1) .le. height)) ) THEN |
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133 | w2 = log(height/p_in(kp))/log(p_in(kp-1)/p_in(kp)) |
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134 | w1 = 1.-w2 |
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135 | interp_0_log = w1*v_in(kp) + w2*v_in(kp-1) |
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136 | if(debug) write(6,*) ' interp data, kp, w1, w2 ',kp, w1, w2 |
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137 | if(debug) write(6,*) ' interp data, v_in(kp), v_in(kp-1), interp_0_p ', & |
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138 | v_in(kp), v_in(kp-1), interp_0_log |
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139 | interp = .true. |
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140 | END IF |
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141 | kp = kp-1 |
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142 | ENDDO |
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143 | ENDIF |
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144 | |
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145 | else |
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146 | |
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147 | if(debug) write(6,*) ' monotonic decrease in z in interp_0 ' |
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148 | |
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149 | IF (height < p_in(nz_in)) then |
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150 | if(debug) write(6,*) ' point 1 in interp_0 ' |
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151 | w2 = log(p_in(nz_in)/height)/log(p_in(nz_in)/p_in(nz_in-1)) |
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152 | w1 = 1.-w2 |
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153 | interp_0_log = w1*v_in(nz_in) + w2*v_in(nz_in-1) |
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154 | ELSE IF (height > p_in(1)) then |
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155 | if(debug) write(6,*) ' point 2 in interp_0 ' |
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156 | w2 = log(p_in(2)/height)/log(p_in(2)/p_in(1)) |
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157 | w1 = 1.-w2 |
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158 | interp_0_log = w1*v_in(2) + w2*v_in(1) |
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159 | ELSE |
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160 | if(debug) write(6,*) ' point 3 in interp_0 ' |
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161 | interp = .false. |
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162 | kp = nz_in |
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163 | height = p_out |
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164 | DO WHILE ( (interp .eqv. .false.) .and. (kp .ge. 2) ) |
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165 | IF( ((p_in(kp) .le. height) .and. & |
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166 | (p_in(kp-1) .ge. height)) ) THEN |
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167 | w2 = log(height/p_in(kp))/log(p_in(kp-1)/p_in(kp)) |
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168 | w1 = 1.-w2 |
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169 | interp_0_log = w1*v_in(kp) + w2*v_in(kp-1) |
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170 | interp = .true. |
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171 | END IF |
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172 | kp = kp-1 |
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173 | ENDDO |
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174 | ENDIF |
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175 | |
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176 | end if |
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177 | |
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178 | return |
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179 | END FUNCTION interp_0_log |
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180 | |
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181 | real function interp_0_log2( v_in, & |
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182 | p_in, p_out, nz_in ) |
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183 | implicit none |
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184 | integer nz_in, nz_out |
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185 | real*8 v_in(nz_in) |
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186 | real*8 p_in(nz_in) |
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187 | real*8 p_out |
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188 | |
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189 | integer kp, k, im, ip |
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190 | logical interp, increasing_z |
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191 | real height, w1, w2 |
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192 | logical debug |
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193 | parameter ( debug = .false. ) |
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194 | |
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195 | ! does vertical coordinate increase or decrease with increasing k? |
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196 | ! set offset appropriately |
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197 | |
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198 | height = p_out |
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199 | |
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200 | if(debug) write(6,*) ' height in interp_0 ',height |
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201 | |
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202 | if (p_in(nz_in) .gt. p_in(1)) then |
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203 | |
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204 | if(debug) write(6,*) ' monotonic increase in z in interp_0 ' |
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205 | IF (height > p_in(nz_in)) then |
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206 | if(debug) write(6,*) ' point 1 in interp_0 ' |
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207 | w2 = log(p_in(nz_in)/height)/log(p_in(nz_in)/p_in(nz_in-1)) |
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208 | w1 = 1.-w2 |
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209 | interp_0_log2 = w1*v_in(nz_in) + w2*v_in(nz_in-1) |
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210 | ELSE IF (height < p_in(1)) then |
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211 | if(debug) write(6,*) ' point 2 in interp_0 ' |
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212 | w2 = log(p_in(2)/height)/log(p_in(2)/p_in(1)) |
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213 | w1 = 1.-w2 |
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214 | interp_0_log2 = w1*v_in(2) + w2*v_in(1) |
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215 | ELSE |
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216 | if(debug) write(6,*) ' point 3 in interp_0 ' |
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217 | interp = .false. |
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218 | kp = nz_in |
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219 | DO WHILE ( (interp .eqv. .false.) .and. (kp .ge. 2) ) |
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220 | IF( ((p_in(kp) .ge. height) .and. & |
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221 | (p_in(kp-1) .le. height)) ) THEN |
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222 | w2 = log(height/p_in(kp))/log(p_in(kp-1)/p_in(kp)) |
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223 | w1 = 1.-w2 |
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224 | interp_0_log2 = w1*v_in(kp) + w2*v_in(kp-1) |
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225 | if(debug) write(6,*) ' interp data, kp, w1, w2 ',kp, w1, w2 |
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226 | if(debug) write(6,*) ' interp data, v_in(kp), v_in(kp-1), interp_0_p', & |
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227 | v_in(kp), v_in(kp-1), interp_0_log2 |
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228 | interp = .true. |
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229 | END IF |
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230 | kp = kp-1 |
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231 | ENDDO |
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232 | ENDIF |
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233 | |
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234 | else |
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235 | |
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236 | if(debug) write(6,*) ' monotonic decrease in z in interp_0 ' |
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237 | |
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238 | IF (height < p_in(nz_in)) then |
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239 | if(debug) write(6,*) ' point 1 in interp_0 ' |
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240 | w2 = log(p_in(nz_in)/height)/log(p_in(nz_in)/p_in(nz_in-1)) |
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241 | w1 = 1.-w2 |
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242 | interp_0_log2 = w1*v_in(nz_in) + w2*v_in(nz_in-1) |
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243 | ELSE IF (height > p_in(1)) then |
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244 | if(debug) write(6,*) ' point 2 in interp_0 ' |
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245 | w2 = log(p_in(2)/height)/log(p_in(2)/p_in(1)) |
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246 | w1 = 1.-w2 |
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247 | interp_0_log2 = w1*v_in(2) + w2*v_in(1) |
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248 | ELSE |
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249 | if(debug) write(6,*) ' point 3 in interp_0 ' |
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250 | interp = .false. |
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251 | kp = nz_in |
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252 | height = p_out |
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253 | DO WHILE ( (interp .eqv. .false.) .and. (kp .ge. 2) ) |
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254 | IF( ((p_in(kp) .le. height) .and. & |
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255 | (p_in(kp-1) .ge. height)) ) THEN |
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256 | w2 = log(height/p_in(kp))/log(p_in(kp-1)/p_in(kp)) |
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257 | w1 = 1.-w2 |
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258 | interp_0_log2 = w1*v_in(kp) + w2*v_in(kp-1) |
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259 | interp = .true. |
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260 | END IF |
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261 | kp = kp-1 |
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262 | ENDDO |
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263 | ENDIF |
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264 | |
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265 | end if |
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266 | |
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267 | return |
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268 | END FUNCTION interp_0_log2 |
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269 | |
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270 | END MODULE module_init_utilities |
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271 | |
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272 | |
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