X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/a3be1b6748e49fa15003b073c35a92e7ec818ebd..efe7abf81717b6bf1f0e6d66352a4c3615538789:/pypol/isl.py diff --git a/pypol/isl.py b/pypol/isl.py index 00d0818..a295e9f 100644 --- a/pypol/isl.py +++ b/pypol/isl.py @@ -1,18 +1,14 @@ -""" -note: for islpy -isl format: basic set: ("{[x, y] : x >= 0 and x < 5 and y >= 0 and y < x+4 }") -""" - import ctypes, ctypes.util -import functools -import math -import numbers -import operator -import re from . import _isl +__all__ = [ + 'Context', + 'BasicSet', +] + + libisl = ctypes.CDLL(ctypes.util.find_library('isl')) libisl.isl_printer_get_str.restype = ctypes.c_char_p @@ -21,7 +17,9 @@ libisl.isl_dim_set = _isl.isl_dim_set class IslObject: - __slots__ = ('_ptr') + __slots__ = ( + '_ptr', + ) def __init__(self, ptr): self._ptr = ptr @@ -34,7 +32,8 @@ class IslObject: class Context(IslObject): def __init__(self): - self._ptr = libisl.isl_ctx_alloc() + ptr = libisl.isl_ctx_alloc() + super().__init__(ptr) #comment out so does not delete itself after being created #def __del__(self): @@ -55,3 +54,9 @@ class BasicSet(IslObject): p = libisl.isl_printer_print_basic_set(p, self) string = libisl.isl_printer_get_str(p).decode() return string + + def __del__(self): + libisl.isl_basic_set_free(self) + + def constraints(self): + return _isl.isl_basic_set_constraints(self._ptr)