config: enable Python-3

We require at least Python-2.6, but preliminary tests with Python-3.6
and 3.7 are successful. There may be a few quirks to work out, but I
believe it is ready for broader te

config: enable Python-3

We require at least Python-2.6, but preliminary tests with Python-3.6
and 3.7 are successful. There may be a few quirks to work out, but I
believe it is ready for broader testing.

show more ...

Merge branch 'master' into knepley/feature-plex-parallel-submesh

* master: (2931 commits)
remove N in docs for SNESQN
replaced test tolerance with PETSC_SQRT_MACHINE_EPSILON
fortran: PetscComp

Merge branch 'master' into knepley/feature-plex-parallel-submesh

* master: (2931 commits)
remove N in docs for SNESQN
replaced test tolerance with PETSC_SQRT_MACHINE_EPSILON
fortran: PetscComplex type is missing from fortran
initialize variables so that static analyzer doesn't mistakenly think they are used uninitialized.
Move access of prefix until it is actually used
Remove DMDASplitComm2d(), used in one example that was not tested
Functions that do not return PetscErrorCode should not use PetscFunctionBegin/End paradgm
remove unneeded reassignment of same value
Missing CHKERRQ(); Mostly in Tao code
Remove clang static analyser warning about passing NULL variable to strncat()
missing newline in -ts_monitor_extreme
minor fixes for integer counters
Configure: Deal with '__func__' in C89 builds with newer Clang and GCC.
Jenkinsfile: Increased timeout for tests to 5 minutes.
3.9 changes: further clarify removal of -pc_factor_mat_solver_package
Options deprecations: add "PETSc" to inline warning
removing unused variable
MatShift support added to MATSUBMAT. Mimics MATSHELL functionality. Needed for matrix-free Hessians in TAO Newton-Line-Search methods.
Add -ts_monitor_extreme
Dev manual: add note on deprecating options database keys
...

Conflicts:
src/dm/impls/plex/examples/tests/ex4.c

show more ...

Merge branch 'master' into knepley/feature-snes-ex13-spectral

* master: (2350 commits)
migrate warning fix from next-tmp
Revert "Remove dead code."
clarifying comment in the code
Remove dead

Merge branch 'master' into knepley/feature-snes-ex13-spectral

* master: (2350 commits)
migrate warning fix from next-tmp
Revert "Remove dead code."
clarifying comment in the code
Remove dead code.
Add JuMP citation
Copyedits and updates to developers manual
Add more protection to intrinsics
MPI: protect arguments in MPI macros
Add the missing conditionals for 64-bit build
Plex+VTK: Fix field type determination
Fix bug in name cleanup
Bib: Added ref
Plex+VTK: Fix field type determination
Plex: Updated test output - I am now hating this shit
forgot to save file after moving prototypes to petscsys.h
update Apple example project settings per Xcode
Two functions should actually be public, used, for example from Apple MacOS and iOS programs
includes should always be included relative to include directory
Apple removed old locations of docsets
SNES ex12: Updated test output
...

Conflicts:
src/snes/examples/tutorials/ex13.c

show more ...

Merge branch 'jed/python3-configure-execlp'

configure: try to run under python2 when invoked using python3

This happens when env python is python3, which is increasingly true on
common distros (it has been on Arch Linux since 2010).

Also avo

configure: try to run under python2 when invoked using python3

This happens when env python is python3, which is increasingly true on
common distros (it has been on Arch Linux since 2010).

Also avoid possible infinite loop in case "python2" is actually a Python
3 interpreter.

Thanks-to: Lisandro Dalcin <dalcinl@gmail.com>

show more ...

Merge commit 'd47bf9aaf1e5266cc3f0ff499f934c85788965a9' into jed/fix-matcreatempibaij/maint

Obtain changed (v3.5) handling of MatMPIBAIJSetPreallocationCSR to match
documentation.

Fixed configure

Hg-commit: 2845547b5b26ce92df00aae878e94f426e21a7bd

fix python3 configure test [failure on ubuntu 10.04]

Hg-commit: 496dbf5c3ef1484f32085da4d00788593effdc5d

Merge.

Hg-commit: 408da9d97fba22d7285ddfd7e8a6e622299e2cce

commit after merge

Hg-commit: 9ed2cb431947553955f0ce85412d290cc41bb35c

Nice error message for ./configure when invoked with python=python3

Hg-commit: 21777cec3238798e8b843e4b87f1db15e9a581f1

commit after merge

Hg-commit: 68d6410fbda6059ac1060d51f2355d0eb86a5ef2

get rid of symlink ./configure -> ./config/configure.py, use execfile

Hg-commit: 1efabcdd9e97b9f15956d6f13ef07633afe80710

add in ./configure [as a link to config/configure.py]

Hg-commit: 9f3ca6336282873a2d4fec3018ad2f8f8627b877