New Repo: Varity

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Varity is a framework to identify variations in floating-point programs through randomized differential testing. Varity generates random tests that include floating-point operations and compile these tests with different compilers in a system. It also generates random floating-point inputs for the tests. When tests are executed, the results are compared to identify variations in the results. Varity helps users of a system to identify the compilers that produce the most similar results in the system.