From: Vivien Maisonneuve Date: Fri, 4 Jul 2014 14:13:25 +0000 (+0200) Subject: Add helper function islhelper.isl_vertices_vertices() X-Git-Tag: 1.0~148 X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/commitdiff_plain/e66c171545301da1055bc96f19393de0f7b5a5e0?ds=sidebyside Add helper function islhelper.isl_vertices_vertices() --- diff --git a/pypol/_islhelper.c b/pypol/_islhelper.c index a7b4f33..47ee1be 100644 --- a/pypol/_islhelper.c +++ b/pypol/_islhelper.c @@ -2,6 +2,7 @@ #include #include +#include static inline int _append_pointer_to_list(void *pointer, void *user) { @@ -89,11 +90,37 @@ static PyObject * isl_set_points(PyObject *self, PyObject *args) { return list; } +static int _append_vertex_to_list(isl_vertex *vertex, void* user) { + return _append_pointer_to_list((void *) vertex, user); +} + +static PyObject * isl_vertices_vertices(PyObject *self, PyObject *args) { + long pointer; + isl_vertices *vertices; + PyObject *list; + if (!PyArg_ParseTuple(args, "l", &pointer)) { + return NULL; + } + vertices = (isl_vertices *) pointer; + list = PyList_New(0); + if (list == NULL) { + return NULL; + } + if (isl_vertices_foreach_vertex(vertices, _append_vertex_to_list, list) == -1) { + PyErr_SetString(PyExc_RuntimeError, + "an error occurred in isl_vertices_foreach_vertex"); + Py_DECREF(list); + return NULL; + } + return list; +} + static PyMethodDef _islhelper_methods[] = { {"isl_basic_set_constraints", isl_basic_set_constraints, METH_VARARGS, NULL}, {"isl_set_basic_sets", isl_set_basic_sets, METH_VARARGS, NULL}, {"isl_set_points", isl_set_points, METH_VARARGS, NULL}, + {"isl_vertices_vertices", isl_vertices_vertices, METH_VARARGS, NULL}, {NULL, NULL, 0, NULL} }; diff --git a/pypol/islhelper.py b/pypol/islhelper.py index e796618..21bd5b9 100644 --- a/pypol/islhelper.py +++ b/pypol/islhelper.py @@ -12,6 +12,7 @@ __all__ = [ 'isl_basic_set_to_str', 'isl_basic_set_constraints', 'isl_set_to_str', 'isl_set_basic_sets', 'isl_set_points', + 'isl_vertices_vertices', ]