NEK for computational fluid dynamics moving to C++?

[R_cubed]

Thanks for the background. I ask because I wanted to look at the standard for myself, and see what could be done to address the issue of test case generation in this thread:

Fortran Compiler Testing Framework

The Fortran Testing Framework, FTFramework, a collection of Python and Bash scripts by Agustin Forero to enable easy testing of Fortran compilers using the Bash Automated Testing System (BATS), may interest compiler writers.