tree db486fbdfe2dc7a033cdc210eeff1745059be387
parent cca93fed63dd4117f3d6dd5339131fc7674e6e0a
author Bayes Nie <niebayes@gmail.com> 1590307732 +0800
committer Sameer Agarwal <sameeragarwal@google.com> 1590427360 +0000

Fix few typos and alter a NULL to nullptr.

Fix typos in docs/source/features.rst and examples/helloworld.cc. Alter a NULL to nullptr in include/ceres/autodiff_cost_function.h

Change-Id: Ibcf00b6ef665ad6be9af14b3add2dd4f3852e7e6