Morrison-Gettelman microphysics#161
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…ics and Arakawa-Wu adjustment schemes for FV3
…ics and Arakawa-Wu adjustment schemes for SCM
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All regression tests passed on Theia/Intel - ready to merge. rt_ccpp_hybrid.log |
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This PR replaces #151 (see description there) and solves the bit-for-bit differences between the CCPP reference run (Theia, Intel18) and the CCPP runs by
adding a compiler flag that ensures consistent math results from the gamma function to micro_mg2_0.F90 and micro_mg3_0.F90 for both the FV3 and CCPP codes (required for the dynamic CCPP build only)
adding an interstitial scheme that was previously missed that calculates the Arakawa-Wu adjustment to microphysics tendencies (required for the standalone and static CCPP builds)
The bulk of the work behind this PR and associated PRs (see below) was done by @dudhia and @grantfirl.