From f6f28b46214ff8e7e9717c1a9314affc8df4981e Mon Sep 17 00:00:00 2001
From: Matthias Volk <matthias.volk@cs.rwth-aachen.de>
Date: Wed, 2 Aug 2017 18:03:02 +0200
Subject: [PATCH] Make config from info available

---
 lib/stormpy/info/__init__.py  | 26 ++++++++++++++++++++++++++
 tests/info/test_info.py       |  8 ++++----
 tests/pars/test_parametric.py |  6 ++++--
 3 files changed, 34 insertions(+), 6 deletions(-)

diff --git a/lib/stormpy/info/__init__.py b/lib/stormpy/info/__init__.py
index d8e3cfa..ffb7e95 100644
--- a/lib/stormpy/info/__init__.py
+++ b/lib/stormpy/info/__init__.py
@@ -1,2 +1,28 @@
 from . import info
 from .info import *
+
+from . import _config
+
+
+def storm_version():
+    """
+    Get storm version.
+    :return: Storm version
+    """
+    return _config.storm_version
+
+
+def storm_exact_use_cln():
+    """
+    Check if exact arithmetic in Storm uses CLN.
+    :return: True if exact arithmetic uses CLN.
+    """
+    return _config.storm_cln_ea
+
+
+def storm_ratfunc_use_cln():
+    """
+    Check if rational functions in Storm use CLN.
+    :return: True iff rational functions use CLN.
+    """
+    return _config.storm_cln_rf
diff --git a/tests/info/test_info.py b/tests/info/test_info.py
index 1545fb0..91e8091 100644
--- a/tests/info/test_info.py
+++ b/tests/info/test_info.py
@@ -1,9 +1,9 @@
 import stormpy
-from stormpy.info import info
+import stormpy.info
 
 
 class TestInfo:
     def test_version(self):
-        assert isinstance(info.Version.short, str) and "." in info.Version.short
-        assert isinstance(info.Version.long, str) and "Version" in info.Version.long
-        assert isinstance(info.Version.build_info, str) and "Compiled" in info.Version.build_info
+        assert isinstance(stormpy.info.Version.short, str) and "." in stormpy.info.Version.short
+        assert isinstance(stormpy.info.Version.long, str) and "Version" in stormpy.info.Version.long
+        assert isinstance(stormpy.info.Version.build_info, str) and "Compiled" in stormpy.info.Version.build_info
diff --git a/tests/pars/test_parametric.py b/tests/pars/test_parametric.py
index dae63b4..24bf5b9 100644
--- a/tests/pars/test_parametric.py
+++ b/tests/pars/test_parametric.py
@@ -7,8 +7,10 @@ class TestParametric:
 
     def test_constraints_collector(self):
         from pycarl.formula import FormulaType, Relation
-        import pycarl.cln.formula
-        import pycarl.gmp.formula
+        if stormpy.info.storm_ratfunc_use_cln():
+            import pycarl.cln.formula
+        else:
+            import pycarl.gmp.formula
         program = stormpy.parse_prism_program(get_example_path("pdtmc", "brp16_2.pm"))
         prop = "P=? [F s=5]"
         formulas = stormpy.parse_properties_for_prism_program(prop, program)