iscc.c: use isl_stream_is_empty instead of reading eof field of isl_stream

[barvinok/uuh.git] / tests / rays5

D 1
5 5
1   0   1   0   0 
1  -1  -1   1   1 
1   1   0   0  -1 
1   2   1  -2  -1 
1   0   0  -1   1 

F 0
3