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