make scipy bicgstab call dependant on scipy version

pymatsolver/iterative.py

@@ -8,13 +8,20 @@
 SolverCG = WrapIterative(cg, name="SolverCG")
 SolverBiCG = WrapIterative(bicgstab, name="SolverBiCG")
 
+import scipy
+_rtol_call = False
+scipy_major, scipy_minor, scipy_patch = scipy.__version__.split(".")
+if int(scipy_major) >= 1 and int(scipy_minor) >= 12:
+    _rtol_call = True
+
 class BiCGJacobi(Base):
     """Bicg Solver with Jacobi preconditioner"""
 
     _factored = False
     solver = None
     maxiter = 1000
-    tol = 1E-6
+    rtol = 1E-6
+    atol = 0.0
 
     def __init__(self, A, symmetric=True):
         self.A = A
@@ -30,13 +37,21 @@ def factor(self):
         self.M = sp.linalg.interface.aslinearoperator(Ainv)
         self._factored = True
 
+    @property
+    def _tols(self):
+        if _rtol_call:
+            return {'rtol': self.rtol, 'atol': self.atol}
+        else:
+            return {'tol': self.rtol, 'atol': self.atol}
+
+
     def _solve1(self, rhs):
         self.factor()
         sol, info = self.solver(
             self.A, rhs,
-            atol=self.tol,
             maxiter=self.maxiter,
-            M=self.M
+            M=self.M,
+            **self._tols,
         )
         return sol
 
@@ -45,7 +60,8 @@ def _solveM(self, rhs):
         sol = []
         for icol in range(rhs.shape[1]):
             sol.append(self.solver(self.A, rhs[:, icol].flatten(),
-                       atol=self.tol, maxiter=self.maxiter, M=self.M)[0])
+                       maxiter=self.maxiter, M=self.M,
+            **self._tols,)[0])
         out = np.hstack(sol)
         out.shape
         return out

setup.py

@@ -29,7 +29,7 @@
 setup(
     name="pymatsolver",
     version="0.2.0",
-    packages=find_packages(exclude=["*mumps", "tests"]),
+    packages=find_packages(exclude=["tests"]),
     install_requires=[
         'numpy>=1.7',
         'scipy>=0.13',

tests/test_BicgJacobi.py

@@ -46,7 +46,7 @@ def test_T(self):
         Ainv.clean()
 
 
-class TestPardisoComplex(unittest.TestCase):
+class TestBicgJacobiComplex(unittest.TestCase):
 
     def setUp(self):
         nSize = 100