Whe I run "./plyAlign bun000.ply bun045.ply bun090.ply"
output:

argv[1] : bun000.ply
argv[2] : bun045.ply
argv[3] : bun090.ply
loaded [bun000.ply].. 204800 points
loaded [bun045.ply].. 204800 points
loaded [bun090.ply].. 204800 points
scene : 204800
object : 204800

Estimating ref normals...
Segmentation fault (core dumped)

What is problem I cant understand