# i(°)        d_exact     d_approchee  Cx          Cz         Cz/Cx          Cm
  -3.0000     -1.0889     -1.0828      0.0172     -0.0261     -1.5210     -0.0361
  -2.5000      1.3313      1.3543      0.0176      0.0315      1.7918     -0.0332
  -2.0000      0.6355      0.7194      0.0183      0.0741      4.0514     -0.0283
  -1.5000      0.4620      0.5533      0.0193      0.1147      5.9399     -0.0242
  -1.0000      0.3836      0.4646      0.0197      0.1621      8.2284     -0.0216
  -0.5000      0.3466      0.4113      0.0197      0.2156     10.9664     -0.0208
   0.0000      0.3277      0.3769      0.0199      0.2742     13.7928     -0.0213
   0.5000      0.3210      0.3509      0.0203      0.3448     17.0020     -0.0245
   1.0000      0.3198      0.3324      0.0209      0.4223     20.2154     -0.0295
   1.5000      0.3176      0.3203      0.0218      0.4948     22.6764     -0.0335
   2.0000      0.3165      0.3112      0.0230      0.5681     24.7107     -0.0378
   2.5000      0.3151      0.3045      0.0244      0.6386     26.1829     -0.0416
   3.0000      0.3121      0.2997      0.0261      0.6997     26.8496     -0.0435
   4.0000      0.3212      0.2895      0.0354      0.8799     24.8559     -0.0627
   4.5000      0.3181      0.2880      0.0415      0.9162     22.0771     -0.0624
   5.0000      0.3129      0.2865      0.0439      0.9523     21.7024     -0.0599