e7966189d31ee35d3e287dde0428486d8166095b
[linpy.git] / pypol / islhelper.py
1 import ctypes, ctypes.util
2
3 from . import _islhelper
4 from ._islhelper import *
5
6
7 __all__ = [
8 'libisl',
9 'isl_version',
10 'mainctx',
11 'isl_val_to_int',
12 'isl_basic_set_to_str', 'isl_basic_set_constraints',
13 'isl_set_to_str', 'isl_set_basic_sets',
14 'isl_set_points',
15 ]
16
17
18 libisl = ctypes.CDLL(ctypes.util.find_library('isl'))
19 libisl.isl_dim_set = _islhelper.dim_set
20
21 libisl.isl_version.restype = ctypes.c_char_p
22 isl_version = libisl.isl_version().decode().strip()[len('isl-'):]
23
24
25 mainctx = libisl.isl_ctx_alloc()
26
27
28 libisl.isl_printer_get_str.restype = ctypes.c_char_p
29
30 def isl_val_to_int(islval):
31 islpr = libisl.isl_printer_to_str(mainctx)
32 islpr = libisl.isl_printer_print_val(islpr, islval)
33 string = libisl.isl_printer_get_str(islpr).decode()
34 return int(string)
35
36 def isl_basic_set_to_str(islbset):
37 islpr = libisl.isl_printer_to_str(mainctx)
38 islpr = libisl.isl_printer_print_basic_set(islpr, islbset)
39 string = libisl.isl_printer_get_str(islpr).decode()
40 return string
41
42 def isl_set_to_str(islset):
43 islpr = libisl.isl_printer_to_str(mainctx)
44 islpr = libisl.isl_printer_print_set(islpr, islset)
45 string = libisl.isl_printer_get_str(islpr).decode()
46 return string