99 lines
5.1 KiB
Markdown
99 lines
5.1 KiB
Markdown
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# LaGriT Release Notes V3.001 August 2011
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Major changes incoporating work from Andrew Kuprat (64bit work) and
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summer student Adam Cozzette to add more capability. Changes to make
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64bit code more consistent and easier to modify for various platforms.
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The code for stack routines are combined into stack\_options.f from
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temptam.f and read_trilayers.f. The beads algorithm and routines are
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now all in their own file beads_ona_ring.f
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LaGriT assumes that the size of an integer is the same size as a
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pointer. Use the preprocessor and configure settings to select the
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integer type so that it matches the size of a pointer.
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```
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#if SIZEOF_INT == SIZEOF_VOIDP
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#define int_ptrsize int
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#elif SIZEOF_LONG == SIZEOF_VOIDP
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#define int_ptrsize long
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Makefile changes for 64 bit compile:
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-fcray-pointer
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Enables the Cray pointer extension, which provides a C-like pointer
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-falign-commons (will try to reorder commons so this is not needed)
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```
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By default, gfortran enforces proper alignment of all variables in a COMMON block by padding them as needed. On certain platforms this is mandatory, on others it increases performance. If a COMMON block is not declared with consistent data types everywhere, this padding can cause trouble, and -fno-align-commons can be used to disable automatic alignment. The same form of this option should be used for all files that share a COMMON block. To avoid potential alignment issues in COMMON blocks, it is recommended to order objects from largests to smallest.
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This includes Work from Andrew Kuprat and summer student Adam Cozzette.
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### Enhancements:
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- **filterkd** - new filter command uses kd-tree for filter. Uses reverseform.f
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- *anothermatbld3d.c* added several functions for computing the hybrid point of a control volume: tetisOnBoundary, intersectSegmentWithFace, getHybridPoint
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- added helper functions for computing dot products and distances.
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- changed the areaOf3dTriangle function to compute a vector area rather than a scalar.
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- a change computes a unit vector in the direction of an edge between
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two points in the tetrahedral mesh. We dot this with the facet of the Voronoi
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cell in order to consider just the component of the area that is in the
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direction of the edge.
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- changed the parameter list for initialize3ddiffusionmat_ so that the
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function also takes arrays for jtet, pmbndry, ifhybrid, and hybridfactor.
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ifhybrid indicates whether to use hybrid volumes and hybrid_factor is an
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attribute that the function will fill in order to indicate the extent to which
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each cell is hybridized
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- added function prototypes so that gcc can perform type checking
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- added #ifdef to match format string to size of integers being used
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- *anothermatbld3d_wrapper.f* changed subroutine call to add hybrid_factor
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```
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subroutine anothermatbld3d_wrapper
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- x (ifile,io_type,num_area_coef,ifcompress)
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+ x (ifile,io_type,num_area_coef,ifcompress, ifhybrid)
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```
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- Added support for quad metrics in quality / quad
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- Added support for writing element sets out to a file based on pset logic so that eltset will write each element set to a separate file if it is given the -all- option filenames now end with .cellset
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- intersect added sort line_graph after performing the intersection
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- **pset** changed pset to verify a point before writing to file. Added the -all- option that writes each pset to seperate files with the new file extension .vertexset
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- **sort/ line_graph** in file line_graph_sort.cpp. Create the sort keys correctly based on whether it is actually sorting nodes or elements.
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- *writedump.f* changes to facilitate the *hybrid* option and Rao's new **dump / exo** code.
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## These issues were fixed:
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- fix bug in 2D delaunay connect connect2d_lg.f where the code doubled the coordinates of the first Voronoi point.
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- fixed a bug where attempting to redefine an element set, the set is now zeroed out and written afresh
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- *cr_copy.f* fixed an off-by-one error by making an array one element longer in a call to mmgetblk with length + 1 that was causing segfault errors
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- *geniee.f* changed loop to check condition before starting, this avoids writing to memory is invalid
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- *pcc_test.f* fixed Warning so it is given once instead of once for every element
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- **reorder** fixed so that it doesn't rely on the numerical values to determine whether to sort nodes or elements and added messages to indicate possible WARNINGS for reorder
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- *rotatelo.f* Fixed a bug whereby rotateln would rotate some points in one direction and some points in the opposite direction.
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- *sparseMatrix.c* removed unused variables in order to get rid of compiler warnings. Added #if for printf to use string according to integer size
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- *readgmv_binary.f* Changed gmv routines readgmv_binary.f and dumpgmv_hybrid.f so read/write gmv works on 64-bit
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------------------------------------------------------------------------
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*Changesets tracked in Mercurial/Trac on ancho.lanl.gov/lagrit*
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