Signal SIGFPE (exception en virgule flottante) intercepté !

Pile d'appels :
   1: 0x7f1551280d99 <vissec_+0x795>                  (libsaturne.so.0)
   2: 0x7f155123f038 <preduv_+0x2898>                 (libsaturne.so.0)
   3: 0x7f155122d2cf <navsto_+0x1303>                 (libsaturne.so.0)
   4: 0x7f155125f7f0 <tridim_+0x3b80>                 (libsaturne.so.0)
   5: 0x7f155116dc08 <caltri_+0x2648>                 (libsaturne.so.0)
   6: 0x7f15511676db <cs_run+0x71b>                   (libsaturne.so.0)
   7: 0x7f1551167905 <main+0x1e5>                     (libsaturne.so.0)
   8: 0x7f154e665c4d <__libc_start_main+0xfd>         (libc.so.6)
   9: 0x418ea9     <>                               (cs_solver)
Fin de la pile

application called MPI_Abort(MPI_COMM_WORLD, 1) - process 14
