X-Git-Url: https://scm.cri.ensmp.fr/git/linpy.git/blobdiff_plain/fd990941199581e977b4455345b55f841bbaa05a..d06ab92943ec2e10a2bd798ca7c1b5cea395bf34:/pypol/polyhedra.py

diff --git a/pypol/polyhedra.py b/pypol/polyhedra.py
index ac67cf8..fa2a5c6 100644
--- a/pypol/polyhedra.py
+++ b/pypol/polyhedra.py
@@ -4,7 +4,7 @@ import numbers
 from . import islhelper
 
 from .islhelper import mainctx, libisl
-from .linexprs import Expression, Constant
+from .linexprs import Expression, Rational
 from .domains import Domain
 
 
@@ -44,14 +44,14 @@ class Polyhedron(Domain):
             for i, equality in enumerate(equalities):
                 if not isinstance(equality, Expression):
                     raise TypeError('equalities must be linear expressions')
-                equalities[i] = equality._toint()
+                equalities[i] = equality.scaleint()
         if inequalities is None:
             inequalities = []
         else:
             for i, inequality in enumerate(inequalities):
                 if not isinstance(inequality, Expression):
                     raise TypeError('inequalities must be linear expressions')
-                inequalities[i] = inequality._toint()
+                inequalities[i] = inequality.scaleint()
         symbols = cls._xsymbols(equalities + inequalities)
         islbset = cls._toislbasicset(equalities, inequalities, symbols)
         return cls._fromislbasicset(islbset, symbols)
@@ -95,7 +95,8 @@ class Polyhedron(Domain):
             constant = islhelper.isl_val_to_int(constant)
             coefficients = {}
             for index, symbol in enumerate(symbols):
-                coefficient = libisl.isl_constraint_get_coefficient_val(islconstraint, libisl.isl_dim_set, index)
+                coefficient = libisl.isl_constraint_get_coefficient_val(islconstraint,
+                    libisl.isl_dim_set, index)
                 coefficient = islhelper.isl_val_to_int(coefficient)
                 if coefficient != 0:
                     coefficients[symbol] = coefficient
@@ -218,12 +219,12 @@ def _polymorphic(func):
     @functools.wraps(func)
     def wrapper(left, right):
         if isinstance(left, numbers.Rational):
-            left = Constant(left)
+            left = Rational(left)
         elif not isinstance(left, Expression):
             raise TypeError('left must be a a rational number '
                 'or a linear expression')
         if isinstance(right, numbers.Rational):
-            right = Constant(right)
+            right = Rational(right)
         elif not isinstance(right, Expression):
             raise TypeError('right must be a a rational number '
                 'or a linear expression')