Calling log(0)

Unrecoverable error received:
  Floating point exception: division by zero

Fatal signal received: Floating point exception
A stack backtrace will now follow ...
stack backtrace:

pc = afe4 fp[-3] = a7f44
afe4 b588 a7f1c a7f44
 pc:     afe4 sp:    a7f1c  write_backtrace()
pc = b388 fp[-3] = a7f64
b388 1d4b8 a7f48 a7f64
 pc:     b388 sp:    a7f48  post_signal()
pc = 1d428 fp[-3] = a7f7c
1d428 a77c a7f68 a7f7c
 pc:    1d428 sp:    a7f68  *** UnixLib error handler ***()

Register dump:

 a1:        0 a2:        0 a3:        0 a4:    a7f80
 v1:     837c v2:     a75c v3: e1a03000 v4: ef020042
 v5: e0833000 v6: e3a00004 sl: ef020057 fp: 3a000004
 ip: 6a000003 sp: ef020042 lr: e1530000 pc: 8afffff8

LDR     R0,&0001D8E8

pc = a75c fp[-3] = 0
a75c 837c a7f80 0
 pc:     a75c sp:    a7f80  main()

