tree fbbcf1acd989a1c385139761263ef0f927b8ae80
parent c0aa9a2631f98e1a8609cbbe997b82eb644de656
author Sameer Agarwal <sameeragarwal@google.com> 1555599277 -0700
committer Sameer Agarwal <sameeragarwal@google.com> 1555599510 -0700

Add some missing string-to-enum-to-string convertors.

LoggingTypeToString
StringtoLoggingType
DumpFormatTypeToString
StringtoDumpFormatType

Fixes https://github.com/ceres-solver/ceres-solver/issues/470

Change-Id: Ic7eb98dada008c869a686fbdf2c7ff9ab81dad54