SIGFPE signal (floating point exception) intercepted!

Call stack:
   1: 0x2b7511d5bd15 <cfiltr_+0x715>                  (libsaturne.so.0)
   2: 0x2b7511d8b4d9 <visdyn_+0x10cd>                 (libsaturne.so.0)
   3: 0x2b7511b6e2e7 <phyvar_+0x1107>                 (libsaturne.so.0)
   4: 0x2b7511b9c1b4 <tridim_+0xe94>                  (libsaturne.so.0)
   5: 0x2b7511a84e95 <caltri_+0x2805>                 (libsaturne.so.0)
   6: 0x2b7511a5d035 <cs_run+0xa65>                   (libsaturne.so.0)
   7: 0x2b7511a5d195 <main+0x155>                     (libsaturne.so.0)
   8: 0x2b7515492c8d <__libc_start_main+0xfd>         (libc.so.6)
   9: 0x4035e9     <>                               (cs_solver)
End of stack

