SIGFPE signal (floating point exception) intercepted!

Call stack:
   1: 0x7f5c5bf9a1b5 <cf_thermo_ph_inlet_bc_+0x83c>   (libsaturne.so.0)
   2: 0x7f5c5bf9c952 <cfxtcl_+0x1812>                 (libsaturne.so.0)
   3: 0x7f5c5bdbeb22 <pptycl_+0x4a2>                  (libsaturne.so.0)
   4: 0x7f5c5bbdadac <condli_+0x765>                  (libsaturne.so.0)
   5: 0x7f5c5bcea67e <tridim_+0x3cee>                 (libsaturne.so.0)
   6: 0x7f5c5bbc3fae <caltri_+0x30ae>                 (libsaturne.so.0)
   7: 0x7f5c5bba50ce <cs_run+0x3fe>                   (libsaturne.so.0)
   8: 0x7f5c5bba4b72 <main+0x112>                     (libsaturne.so.0)
   9: 0x7f5c59506c36 <__libc_start_main+0xe6>         (libc.so.6)
  10: 0x401449     <>                               (cs_solver)
End of stack

