# i(°)        d_exact     d_approchee  Cx          Cz         Cz/Cx          Cm
  -3.0000      0.0651      0.0525      0.0475     -0.1221     -2.5711     -0.0230
  -2.5000      0.0072     -0.0077      0.0465     -0.0936     -2.0142     -0.0232
  -2.0000     -0.2006     -0.2229      0.0465     -0.0510     -1.0968     -0.0237
  -1.5000     -3.8159     -4.8819      0.0469     -0.0047     -0.1001     -0.0241
  -1.0000      0.8361      0.8202      0.0477      0.0423      0.8874     -0.0243
  -0.5000      0.5250      0.5216      0.0486      0.0888      1.8275     -0.0243
   0.0000      0.4299      0.4300      0.0497      0.1340      2.6956     -0.0241
   0.5000      0.3848      0.3864      0.0511      0.1768      3.4599     -0.0239
   1.0000      0.3595      0.3623      0.0530      0.2147      4.0517     -0.0236
   1.5000      0.3489      0.3516      0.0564      0.2373      4.2089     -0.0236
   2.0000      0.3653      0.3614      0.0643      0.2165      3.3665     -0.0252
   2.5000      0.3784      0.3633      0.0713      0.2128      2.9842     -0.0277
   3.0000      0.3812      0.3580      0.0771      0.2234      2.8960     -0.0298
   3.5000      0.3796      0.3508      0.0826      0.2392      2.8969     -0.0316
   4.0000      0.3766      0.3436      0.0878      0.2576      2.9323     -0.0333
   4.5000      0.3727      0.3370      0.0931      0.2772      2.9784     -0.0348
   5.0000      0.3690      0.3310      0.0983      0.2976      3.0281     -0.0363