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