Add handler for math functions

python/dune/perftool/loopy/mangler.py

+""" Function manglers for math functions in C++ """
+
+from dune.perftool.generation import function_mangler
+
+from loopy import CallMangleInfo
+
+
+@function_mangler
+def dune_math_manglers(kernel, name, arg_dtypes):
+    if name == "exp":
+        return CallMangleInfo("std::exp",
+                              arg_dtypes,
+                              arg_dtypes,
+                              )

python/dune/perftool/pdelab/localoperator.py

@@ -26,6 +26,9 @@ from dune.perftool.cgen.clazz import (AccessModifier,
                                       ClassMember,
                                       )
 from dune.perftool.ufl.modified_terminals import Restriction
+
+import dune.perftool.loopy.mangler
+
 from pymbolic.primitives import Variable
 from pytools import Record