Changes: 2.1.2¶
General:
- Win32fe now takes –nt4 option for compatibility on NT4 
- Supports cygwinpaths in win32fe 
- Better support for borland tools 
- Added PetscOptionsInsertString() 
- Allow full path of debugger to be specified using -start_in_debugger option 
- Better hyperlinks across documentation (including users manual) 
ADIC:
- Support for global reductions on local functions 
- Allow coloring of periodic grids 
AO (Application Orderings):
TS (Timestepping Solvers):
DMMG:
SNES (Nonlinear Solvers):
- Removed all minimization support in PETSc. TAO package should be used for this functionality. 
SLES (Linear Solvers):
KSP (Krylov Subspace Methods):
- Support -ksp_unpreconditioned_norm in -ksp_type cr 
PC (Preconditioners):
- Added support for PCType PCMAT (PC based on a matvec) 
- Added support for PCType PCHYPRE (includes PILUT, EUCLID, and BoomerAMG) 
- Cholesky - additional info from factorization 
MAT (Matrices):
- SBAIJ matmult - improve performance by optimizing communication. 
- markdiagonal - performance optimization. 
- SuperLU interface improved (check page 75 in the user’s manual) 
- DSCPACK interface inproved 
- Spooles interface added 
DA (Distributed Arrays):
VEC (Vectors):
IS (Index Sets):
Draw (Graphics):
- Added flag to support turning off axis resizing 
Viewers:
- Allow drawing rectangles in postscript 
System:
Error Handling:
Event Logging:
Fortran Interface: