[6328] | 1 | # pyOASIS - A Python wrapper for OASIS |
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| 2 | # Authors: Philippe Gambron, Rupert Ford |
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| 3 | # Copyright (C) 2019 UKRI - STFC |
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| 4 | |
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| 5 | # This program is free software: you can redistribute it and/or modify |
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| 6 | # it under the terms of the GNU Lesser General Public License as |
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| 7 | # published by the Free Software Foundation, either version 3 of the |
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| 8 | # License, or any later version. |
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| 9 | |
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| 10 | # This program is distributed in the hope that it will be useful, |
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| 11 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 13 | # GNU Lesser General Public License for more details. |
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| 14 | |
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| 15 | # A copy of the GNU Lesser General Public License, version 3, is supplied |
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| 16 | # with this program, in the file lgpl-3.0.txt. It is also available at |
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| 17 | # <https://www.gnu.org/licenses/lgpl-3.0.html>. |
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| 18 | |
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| 19 | |
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| 20 | """OASIS partition data and methods""" |
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| 21 | |
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| 22 | import numpy |
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| 23 | import ctypes |
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| 24 | from ctypes import cdll, CDLL, c_int |
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| 25 | |
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| 26 | |
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| 27 | def asintarray(data): |
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| 28 | """Creates a numpy array containing doubles in Fortran ordering.""" |
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| 29 | return numpy.asfortranarray(data, dtype=numpy.int32) |
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| 30 | |
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| 31 | |
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| 32 | cdll.LoadLibrary("liboasis.cbind.so") |
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| 33 | LIB = CDLL("liboasis.cbind.so") |
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| 34 | |
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| 35 | LIB.oasis_c_def_partition.argtypes = [ctypes.POINTER(ctypes.c_int), |
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| 36 | ctypes.c_int, ctypes.POINTER(ctypes.c_int), |
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| 37 | ctypes.c_int, ctypes.c_char_p] |
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| 38 | |
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| 39 | |
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| 40 | def def_partition(parameters, global_size, name): |
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| 41 | """The OASIS user interface to define partitions""" |
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| 42 | id_part = c_int(0) |
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| 43 | kinfo = c_int(0) |
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| 44 | parameters_array = asintarray(parameters) |
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| 45 | n_parameters = len(parameters_array) |
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| 46 | p_parameters = (ctypes.c_int * n_parameters)(*parameters_array) |
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| 47 | kinfo = LIB.oasis_c_def_partition(id_part, n_parameters, p_parameters, |
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| 48 | global_size, name.encode()) |
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| 49 | return id_part.value, kinfo |
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