Set cuda standard. Set CXX standard to 17 with numerical tests.

3rdParty/fftw/fftw-3.3.7/CMakeLists.txt

CMakeLists.txt

...ing/Utilities/LogFileDataAssistant/LogFileDataAssistant.h

...ing/Utilities/MathematicaAssistant/MathematicaAssistant.h

...s/Utilities/GridReaderforTesting/gridReaderforTesting.cpp

...sts/Utilities/NumericalTestFactory/NumericalTestFactory.h

...Utilities/PostProcessingStrategy/PostProcessingStrategy.h

apps/gpu/tests/NumericalTests/config.txt

gpu.cmake