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* The global variable `gTestFastRelaxed` has state which is used to control the behaviour of the compiler flag `-cl-fast-relaxed-math` and the precision testing of relaxed, fp32 and fp64 types. This is confusing since the global variable is being set and read in different translation units, making it very difficult to reason about the logic of the brute force framework. It is particular difficult to follow since the global variables is cached and then turned off in the case of fp32 and f64 in order to use the same code path as relaxed testing, after it is then turned back on. * Remove uses of the global variable outside of `main.cpp` (the global variable remains in use within `main.cpp` since it is a command line option and used to turn of relaxed testing completely). Replace all uses of the global variable with boolean `relaxedMode` which is passed as a function paramter but replaces `gTestFastRelaxed` semantically.
OpenCL-CTS 
The OpenCL Conformance Tests