# i(°)        d_exact     d_approchee  Cx          Cz         Cz/Cx          Cm
  -3.0000      0.1367      0.1478      0.0429     -0.2470     -5.7589     -0.0282
  -2.5000      0.0946      0.1168      0.0386     -0.1896     -4.9094     -0.0297
  -2.0000      0.0229      0.0584      0.0354     -0.1318     -3.7263     -0.0302
  -1.5000     -0.1233     -0.0729      0.0325     -0.0782     -2.4084     -0.0295
  -1.0000     -0.8205     -0.8109      0.0281     -0.0238     -0.8467     -0.0260
  -0.5000      1.2905      1.3109      0.0291      0.0238      0.8187     -0.0245
   0.0000      0.6412      0.6794      0.0302      0.0588      1.9470     -0.0230
   0.5000      0.4954      0.5287      0.0317      0.0906      2.8598     -0.0223
   1.0000      0.4359      0.4615      0.0336      0.1194      3.5504     -0.0223
   1.5000      0.4082      0.4247      0.0362      0.1445      3.9950     -0.0230
   2.0000      0.3959      0.4016      0.0394      0.1666      4.2338     -0.0245
   2.5000      0.3901      0.3847      0.0430      0.1874      4.3561     -0.0265
   3.0000      0.4001      0.3374      0.0498      0.2890      5.8079     -0.0437
   3.5000      0.3965      0.3186      0.0553      0.3680      6.6498     -0.0543
   4.0000      0.3907      0.3118      0.0600      0.4083      6.8039     -0.0579
   4.5000      0.3859      0.3059      0.0651      0.4517      6.9332     -0.0619
   5.0000      0.3821      0.3043      0.0698      0.4652      6.6628     -0.0620