$ perl -Mblib -MPDL -E 'say $PDL::VERSION'
2.089_01

$ perl -Mblib -MPDL -E 'CORE::srand(4); say PDL->random'
0.437817146098168
$ perl -Mblib -MPDL -E 'CORE::srand(4); say PDL->random'
0.0596849513730282
$ perl -Mblib -MPDL -E 'CORE::srand(4); say PDL->random'
0.876085322091164
$ perl -Mblib -MPDL -E 'CORE::srand(4); say PDL->random'
0.0193676520337621

$ perl -Mblib -MPDL -E 'srandom(4); say PDL->random'
0.923230081572141
$ perl -Mblib -MPDL -E 'srandom(4); say PDL->random'
0.923230081572141
$ perl -Mblib -MPDL -E 'srandom(4); say PDL->random'
0.923230081572141
$ perl -Mblib -MPDL -E 'srandom(4); say PDL->random'
0.923230081572141