Fix double-precision builds of MPAS-A v8.2.0 #1208
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…) arrays This commit adds a new routine to the dmpar module for broadcasing real(kind=R4KIND) arrays. The new mpas_dmpar_bcast_real4s routine mirrors the mpas_dmpar_bcast_reals routine, with the dummy array argument being of R4KIND rather than RKIND kind.
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This bugfix PR depends on PR #1207 to add the necessary broadcast routine for |
…sics.F The mpas_atmphys_init_microphysics module contains a routine, table_ccnAct, that broadcasts an R4KIND real array, tnccn_act, from the Thompson microphysics scheme. This broadcast was previously performed by a call to mpas_dmpar_bcast_reals through the macro DM_BCAST_MACRO. However, because the mpas_dmpar_bcast_reals routine broadcasts arrays of kind RKIND, when MPAS-A is compiled with double-precision reals, the mpas_dmpar_bcast_reals routine can no longer be used with the tnccn_act array. With this commit, the DM_BCAST_MACRO in mpas_atmphys_init_microphysics.F has been defined to mpas_dmpar_bcast_real4s, which broadcasts arrays of R4KIND reals. This works for both single- and double-precision builds of MPAS-A, since the kind type of the tnccn_act array is independent of the MPAS-A build precision.
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This is quite interesting. I had actually done this in the past (adding a mpas_dmpar_bcast_real4s) for exactly that reason but never made a PR since we now mostly use single precision. Totally forgot to test compiling MPAS using double precision. I, of course, approve this PR. Thanks. |
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This merge addresses several issues in the MPAS-Atmosphere model and in the MPAS infrastructure. Specific changes in this merge include: * Improved detection of an 'mpi_f08' module (PR #1202), as well as improved detection of netCDF and PnetCDF library paths (PR #1203), in the top-level Makefile. * The addition of a missing dependency in the physics Makefile to correct parallel build issues (PR #1204). * Fixes to the CMake build files used by MPAS-JEDI (PR #1205). * Fixes to double-precision builds of MPAS-Atmosphere (PR #1207, PR #1208). * Correction of the calculation of height AGL used in the computation of 1-km radar reflectivity fields (PR #1213). * Correction of an issue that prevented the MYNN PBL scheme from being used without also using the Thompson aerosol-aware microphysics (PR #1215). * Fixes to allow MPAS-Atmosphere to be built without physics (i.e., dynamics- only builds) (PR #1221). * Various code cleanup and minor corrections (PR #1206, PR #1212, PR #1224, PR #1226).
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This PR corrects double-precision build failures of
mpas_atmphys_init_microphysics.Fin MPAS-A v8.2.0.The
mpas_atmphys_init_microphysicsmodule contains a routine,table_ccnAct, thatbroadcasts an
R4KINDreal array,tnccn_act, from the Thompson microphysicsscheme. This broadcast was previously performed by a call to
mpas_dmpar_bcast_realsthrough the macroDM_BCAST_MACRO. However,because the
mpas_dmpar_bcast_realsroutine broadcasts arrays of kindRKIND, whenMPAS-A is compiled with double-precision reals, the
mpas_dmpar_bcast_realsroutine can no longer be used with the
tnccn_actarray.With this PR, the
DM_BCAST_MACROinmpas_atmphys_init_microphysics.Fhasbeen defined to
mpas_dmpar_bcast_real4s, which broadcasts arrays ofR4KINDreals. This works for both single- and double-precision builds of MPAS-A, since
the kind type of the
tnccn_actarray is independent of the MPAS-A buildprecision.