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Added storage of final true residual in mixed-prec CG and enhanced log output Fixed const correctness of multi-shift constructor Added a mixed precision variant of the multi-shift algorithm that uses a single precision operator and applies periodic reliable update to the residual Added tests/solver/Test_dwf_multishift_mixedprec to test the above Fixed local coherence lanczos using the (large!) max approx to the chebyshev eval as the scale from which to judge the quality of convergence, resulting a test that always passes Added a method to local coherence lanczos class that returns the fine eval/evec pair Added iterative log output to power method Added optional disabling of the plaquette check in Nerscio to support loading old G-parity configs which have a factor of 2 error in the plaquette G-parity Dirac op no longer allows GPBC in the time direction; instead we toggle between periodic and antiperiodic Replaced thread_for G-parity 5D force insertion implementation with accelerator_for version capable of running on GPUs Generalized tests/lanczos/Test_dwf_lanczos to support regular DWF as well as Gparity, with the action chosen by a command line option Modified tests/forces/Test_dwf_gpforce,Test_gpdwf_force,Test_gpwilson_force to use GPBC a spatial direction rather than the t-direction, and antiperiodic BCs for time direction tests/core/Test_gparity now supports using APBC in time direction using command line toggle