"""

.. currentmodule:: arraycontext

.. autofunction:: make_loopy_program

"""

__copyright__ = """

Copyright (C) 2020-1 University of Illinois Board of Trustees

"""

__license__ = """

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

THE SOFTWARE.

"""

import loopy as lp

from loopy.version import MOST_RECENT_LANGUAGE_VERSION

# {{{ loopy

_DEFAULT_LOOPY_OPTIONS = lp.Options(

no_numpy=True,

return_dict=True)

def make_loopy_program(domains, statements, kernel_data=None,

name="mm_actx_kernel", tags=None):

"""Return a :class:`loopy.LoopKernel` suitable for use with

:meth:`ArrayContext.call_loopy`.

"""

if kernel_data is None:

kernel_data = ["..."]

return lp.make_kernel(

domains,

statements,

kernel_data=kernel_data,

options=_DEFAULT_LOOPY_OPTIONS,

default_offset=lp.auto,

name=name,

lang_version=MOST_RECENT_LANGUAGE_VERSION,

tags=tags)

def get_default_entrypoint(t_unit):

try:

# main and "kernel callables" branch

return t_unit.default_entrypoint

except AttributeError:

try:

return t_unit.root_kernel

except AttributeError:

raise TypeError("unable to find default entry point for loopy "

"translation unit")

# }}}

# vim: foldmethod=marker