Vinyl liner installation into concrete pool

[Aubrey]

Pool Dude, thanks for taking the time to read my "problem". I've attempted to "draw" the pool below. Very rough outline.

Facts: 16' x 32' concrete inground. Shallow end is 3' going down to 8' deep end.
All corners, horizontal and vertical are 90 degs. Had a vinyl liner installed and the liner does not fit into the 90 deg (L) areas.. I was told the liner could/should not be made to fit the 90 deg "corners". All corners (vertical, horizontal, angling) are coves which are about 6" radius. Like this (
Is this correct, or could/should the liner fit snug into all the 90 deg. areas?
_______________________________________
I I
I I
I __________________ I
I /
L_________________/

[Aubrey]

Pool Dude,
What I drew did not come out on the screen, so the angles are not shown as drawn. Hopefully you'll get the "picture". I'll try to simplify it here again.
I I
I ____________I
I /
I /
I________________________________/