OpenImageIO/oiio — pull request #966 by lgritz (2014-09-29 22:16:06+00:00)
Title: fmath: Make ispow2 and round_to_multiple_of_2 info templates

fmath: Make ispow2 and round_to_multiple_of_2 info templates so they work for size_t also.
Also add some unit tests to fmath_test.cpp, including making sure that
these templates works as expected.