tree 789d57d368bd124420afbfd92f38670cb18c7a69
parent 633b50b7af9841607c07133f585e131fba7de177
author Sameer Agarwal <sameeragarwal@google.com> 1399263522 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1399301712 -0700

Lazily initialize the bounds arrays in ParameterBlock.

Problems that do not use bounds do not have to pay the
price of storing bounds constraints.

Also replace the raw pointer access to the upper and
lower bounds arrays with accessors which hides the
lazy initialization from the user.

Change-Id: I0325a35de9c29f853559f891e32e7c777686e537