Split linear.py and add domains

[linpy.git] / pypol / islhelper.py

diff --git a/pypol/islhelper.py b/pypol/islhelper.py
new file mode 100644 (file)
index 0000000..75d90d0
--- /dev/null
+++ b/pypol/islhelper.py
@@ -0,0 +1,41 @@
+import ctypes, ctypes.util
+
+from . import _islhelper
+from ._islhelper import isl_basic_set_constraints, isl_set_basic_sets
+
+
+__all__ = [
+    'libisl',
+    'mainctx',
+    'isl_val_to_int',
+    'isl_basic_set_to_str', 'isl_basic_set_constraints',
+    'isl_set_to_str', 'isl_set_basic_sets',
+]
+
+
+libisl = ctypes.CDLL(ctypes.util.find_library('isl'))
+
+libisl.isl_printer_get_str.restype = ctypes.c_char_p
+libisl.isl_dim_set = _islhelper.dim_set
+
+
+mainctx = libisl.isl_ctx_alloc()
+
+
+def isl_val_to_int(islval):
+    islpr = libisl.isl_printer_to_str(mainctx)
+    islpr = libisl.isl_printer_print_val(islpr, islval)
+    string = libisl.isl_printer_get_str(islpr).decode()
+    return int(string)
+
+def isl_basic_set_to_str(islbset):
+    islpr = libisl.isl_printer_to_str(mainctx)
+    islpr = libisl.isl_printer_print_basic_set(islpr, islbset)
+    string = libisl.isl_printer_get_str(islpr).decode()
+    return string
+
+def isl_set_to_str(islset):
+    islpr = libisl.isl_printer_to_str(mainctx)
+    islpr = libisl.isl_printer_print_set(islpr, islset)
+    string = libisl.isl_printer_get_str(islpr).decode()
+    return string