Changeset fb5c8c7 in sasmodels

Timestamp:

Dec 15, 2017 11:18:08 AM (7 years ago)

Author:

Omer Eisenberg <omereis@…>

Children:

fa74acf

Parents:

937afef

Message:

fixed precedence bug, by writing parantheses around binary operators

File:

• sasmodels/py2c.py (modified) (3 diffs)

sasmodels/py2c.py

@@ -46 +46 @@
 12/07/2017, OE: C variable definition handled in 'define_C_Vars'
               : Python integer division, '//', translated to C in 'translate_integer_divide'
+12/15/2017, OE: Precedence maintained by writing opening and closing parenthesesm '(',')',
+                in procedure 'visit_BinOp'.
 """
 import ast
@@ -892 +894 @@
 
     def visit_BinOp(self, node):
+        self.write_c("(")
         if ('%s' % BINOP_SYMBOLS[type(node.op)] == BINOP_SYMBOLS[ast.Pow]):
             self.translate_power (node)
@@ -900 +903 @@
             self.write_c(' %s ' % BINOP_SYMBOLS[type(node.op)])
             self.visit(node.right)
+        self.write_c(")")
+
 #       for C
     def visit_BoolOp(self, node):