Jip J. Dekker
f2a1c4e389
git-subtree-dir: software/mza git-subtree-split: f970a59b177c13ca3dd8aaef8cc6681d83b7e813
89 lines
4.4 KiB
C
89 lines
4.4 KiB
C
/* Python Interface for MiniZinc constraint modelling
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* Author:
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* Tai Tran <tai.tran@student.adelaide.edu.au>
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* Supervisor:
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* Guido Tack <guido.tack@monash.edu>
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*/
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#ifndef __SOLVER_H
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#define __SOLVER_H
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#include "global.h"
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struct PyMznSolver {
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PyObject_HEAD MiniZinc::SolverInstanceBase* solver;
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MiniZinc::Env* env;
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MiniZinc::Model* _m;
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PyObject* next();
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};
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static PyObject* PyMznSolver_new(PyTypeObject* type, PyObject* args, PyObject* kwds);
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static int PyMznSolver_init(PyMznSolver* self, PyObject* args);
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static void PyMznSolver_dealloc(PyMznSolver* self);
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// Ask the solver to give the next available solution
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// Return Py_None if no error
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// Return a string with "Unsatisfied" or "Reached last solution" if error
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static PyObject* PyMznSolver_next(PyMznSolver* self);
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static PyObject* PyMznSolver_get_value_helper(PyMznSolver* self, PyObject* args);
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// get_value accepts 1 string or a list of strings,
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// which are the name of values to be retrieved.
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// returns a value or a tuple of value depending on which type argument was parsed.
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static PyObject* PyMznSolver_get_value(PyMznSolver* self, PyObject* args);
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static PyMemberDef PyMznSolver_members[] = {
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{NULL} /* Sentinel */
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};
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// static PyMethodDef PyMznSolver_methods[3];
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static PyMethodDef PyMznSolver_methods[] = {
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{"next", (PyCFunction)PyMznSolver_next, METH_NOARGS, "Next Solution"},
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{"get_value", (PyCFunction)PyMznSolver_get_value, METH_VARARGS, "Get value of a variable"},
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{NULL} /* Sentinel */
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};
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static PyTypeObject PyMznSolver_Type = {
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PyVarObject_HEAD_INIT(NULL, 0) "minizinc_internal.solver", /* tp_name */
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sizeof(PyMznSolver), /* tp_basicsize */
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0, /* tp_itemsize */
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(destructor)PyMznSolver_dealloc, /* tp_dealloc */
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0, /* tp_print */
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0, /* tp_getattr */
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0, /* tp_setattr */
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0, /* tp_reserved */
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0, /* tp_repr */
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0, /* tp_as_number */
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0, /* tp_as_sequence */
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0, /* tp_as_mapping */
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0, /* tp_hash */
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0, /* tp_call */
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0, /* tp_str */
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0, /* tp_getattro */
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0, /* tp_setattro */
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0, /* tp_as_buffer */
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
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"Minizinc Solver", /* tp_doc */
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0, /* tp_traverse */
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0, /* tp_clear */
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0, /* tp_richcompare */
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0, /* tp_weaklistoffset */
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0, /* tp_iter */
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0, /* tp_iternext */
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PyMznSolver_methods, /* tp_methods */
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PyMznSolver_members, /* tp_members */
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0, /* tp_getset */
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0, /* tp_base */
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0, /* tp_dict */
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0, /* tp_descr_get */
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0, /* tp_descr_set */
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0, /* tp_dictoffset */
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(initproc)PyMznSolver_init, /* tp_init */
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0, /* tp_alloc */
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PyMznSolver_new, /* tp_new */
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};
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#endif
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