The axom::utilities namespace contains basic commonly-used functions. Often these started out in another Axom component and were "promoted" to Axom Core when they were useful in other Axom libraries. In some cases, axom::utilities brings functionality from recent C++ standards to platforms restricted to older compilers.
Axom can print a self-explanatory message and provide a version string.
../../examples/core_utilities.cpp
Here a function showing the usage of string and filesystem facilities available in Axom Core.
../../examples/core_utilities.cpp
Axom Core also includes a Timer class. Here, we time the preceding filesystem example snippet.
../../examples/core_utilities.cpp
There are several other utility functions. Some are numerical functions such as variations on clamp (ensure a variable is restricted to a given range) and swap (exchange the values of two variables). There are also functions for testing values with tolerances, such as isNearlyEqual and isNearlyEqualRelative. These are provided since they work in device (GPU) kernel code, wheras C++ standard library routines do not. There is also processAbort, to gracefully exit an application. For details, please see the Axom Core API Documentation.