Added integer function that does a post increment

pystencils/backends/cbackend.py

@@ -13,7 +13,7 @@ except ImportError:
     from sympy.printing.ccode import CCodePrinter  # for sympy versions < 1.1
 
 from pystencils.integer_functions import bitwise_xor, bit_shift_right, bit_shift_left, bitwise_and, \
-    bitwise_or, modulo_ceil, int_div, int_power_of_2, int_mod
+    bitwise_or, modulo_ceil, int_div, int_power_of_2, int_mod, inc_post
 from pystencils.astnodes import Node, KernelFunction
 from pystencils.data_types import create_type, PointerType, get_type_of_expression, VectorType, cast_func, \
     vector_memory_access, reinterpret_cast_func
@@ -311,6 +311,8 @@ class CustomSympyPrinter(CCodePrinter):
             return "((%s) / (%s))" % (self._print(expr.args[0]), self._print(expr.args[1]))
         elif expr.func == int_mod:
             return "((%s) %% (%s))" % (self._print(expr.args[0]), self._print(expr.args[1]))
+        elif expr.func == inc_post:
+            return "(%s++)" % (self._print(expr.args[0]))
         else:
             return super(CustomSympyPrinter, self)._print_Function(expr)
 

pystencils/integer_functions.py

@@ -11,6 +11,7 @@ bitwise_or = sp.Function("bitwise_or")
 int_div = sp.Function("int_div")
 int_power_of_2 = sp.Function("int_power_of_2")
 int_mod = sp.Function("int_mod")
+inc_post = sp.Function("inc_post")
 
 
 # noinspection PyPep8Naming