Add vertices and points, messy!
[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 'isl_vertices_vertices',
16 ]
17
18
19 libisl = ctypes.CDLL(ctypes.util.find_library('isl'))
20 libisl.isl_dim_set = _islhelper.dim_set
21
22 libisl.isl_version.restype = ctypes.c_char_p
23 isl_version = libisl.isl_version().decode().strip()[len('isl-'):]
24
25
26 mainctx = libisl.isl_ctx_alloc()
27
28
29 libisl.isl_printer_get_str.restype = ctypes.c_char_p
30
31 def isl_val_to_int(islval):
32 islpr = libisl.isl_printer_to_str(mainctx)
33 islpr = libisl.isl_printer_print_val(islpr, islval)
34 string = libisl.isl_printer_get_str(islpr).decode()
35 return int(string)
36
37 def isl_basic_set_to_str(islbset):
38 islpr = libisl.isl_printer_to_str(mainctx)
39 islpr = libisl.isl_printer_print_basic_set(islpr, islbset)
40 string = libisl.isl_printer_get_str(islpr).decode()
41 return string
42
43 def isl_set_to_str(islset):
44 islpr = libisl.isl_printer_to_str(mainctx)
45 islpr = libisl.isl_printer_print_set(islpr, islset)
46 string = libisl.isl_printer_get_str(islpr).decode()
47 return string