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==============
Changes: 2.3.1
==============
.. rubric:: General:
- -log_info is now just -info; PetscLogInfo...() is now
PetscInfo...()
- Added TOPS solver components. [requires CCA tools like babel]
- Added supported for IBM BGL with optimzed fortran kernels
- bin/petscarch is removed. Use can give any name to PETSC_ARCH. [if
not - configure picks a default name]
- PetscMap is no longer a public PETSc object
.. rubric:: Vec:
- Changed prototypes for VecMDotBegin(), VecMDotEnd(),
VecMTDotBegin(), VecMTDotEnd() to confirm with PETSc prototype
style
- ISColoringCreate() takes another argument
.. rubric:: Mat:
- MatScaleSystem() and MatUnscaleSystem() now take arguments b,x
instead of x,b
- Added MatSeqAIJSetPreallocationCSR(), MatGetSubMatrixRaw()
- Added MatSolveTranspose() for superlu
- Added support for matrix types MATCSRPERM, MATCRL - for vector
based machines.
- Added MatMatMult for seqdense
- Added MatRealPart, ImaginaryPart for AIJ, BAIJ, SBAIJ matrices
- Added MatGetRowUpperTriangular() to mpisbaij matrix
.. rubric:: PC:
- PCPrometheusSetCoordinates() changed to PCSetCoordinates()
- Moved src/ksp/pc/pcimpl.h to include/petsc/private/pcimpl.h
- PCPreSolve() and PCPostSolve() now consistently take arguments b,x
before sometimes they took x,b
- PCXXXSetYYY() and -pc_xxx_yyyy are now changed to PCFactorSetYYY()
and -pc_factor_yyyy for XXX LU, ILU, Cholesky, and ICC
.. rubric:: KSP:
- -ksp_view, -ksp_monitor now take an optional filename argument
- Added PetscLLAddPerm() to symbolic LU factorization
.. rubric:: config/configure.py:
- Changed --with-64-bit-ints to --with-64-bit-indices
- config/configure.py now supports the arguments
--with-precision=longdouble and --with-precision=int, these
currently have limited functionality and certain things like
binary IO does not work.
- Option --LIBS=<extra libs> for some broken compilers that require
that require extra system libraries to be linked with
- Changed --with-fortran-kernels=<0,1> option to
--with-fortran-kernels=<none,generic,bgl>
- Support --with-large-file-io=<bool> which indicates using files
larger than 2GB
- --with-f90-header, --with-f90-source options merged into a single
option - for eg: --with-f90-interface=intel8
- Added --with-is-color-value-type=<char,short>: char gives max of
256 colors, short gives max of 65536 colors
- Configure always tries to build libraries with PIC [or equivalent
flag] To disable this, use: --with-pic=0
- Added --with-c-language-support for compiling PETSc with 'c'
linkage - but with a c++ compiler.
- ---download-mpich option now defaults to pm=gforker. To use mpd -
use the additional option --download-mpich-pm=mpd
- --with-timer option is added [if the user knows MPI_Wtime() is
accurate/low-overhead on a machine - then use: --with-timer=mpi]
.. rubric:: SNES:
- -snes-view, -snes_monitor now take an optional filename argument
.. rubric:: TS:
- -ts_view, -ts_monitor now take an optional filename argument
.. rubric:: DA:
.. rubric:: DMMG:
- Arguments to DMMGSetKSP() changed. Now the callback which forms
the linear system matrix can optionally fill also an alternate
matrix for the preconditioner.
.. rubric:: SYS:
- PetscViewerFileType changed to PetscFileMode
- PetscViewerSetFileType() changed to PetscViewerFileSetMode()
.. rubric:: Fortran:
- remove the special libpetscfortran.a [fortran interface & c
interface now go into the same library]
- With some f90 compilers - PETSc datatypes [like
PetscScalar,PetscInt] will use f90 KIND declaration - so if this
code is in fixed form - there could be errors with lines exceeding
72 char limit
.. rubric:: ExternalPackages:
- PLAPACK support added
- BLOPEX support added
- Updated Pvode interface to the newer Sundials package [configure
option --download-sundials=1
- Added --download-mpe=1
- fblaslapack now has complete blas - as required by some external
packages
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