From 737c9641105427e4d7396dcb5911d6be64674912 Mon Sep 17 00:00:00 2001
From: Stefan Behnel <scoder@users.berlios.de>
Date: Tue, 11 May 2010 19:31:27 +0200
Subject: [PATCH] fix ticket #525: let float values pass through the compiler
 literally

---
 Cython/Compiler/ExprNodes.py | 10 ++++++----
 tests/run/specialfloat.pyx   |  9 +++++++++
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/Cython/Compiler/ExprNodes.py b/Cython/Compiler/ExprNodes.py
index dbaa142c..cfd83ff6 100755
--- a/Cython/Compiler/ExprNodes.py
+++ b/Cython/Compiler/ExprNodes.py
@@ -839,12 +839,14 @@ class FloatNode(ConstNode):
         return float(self.value)
     
     def calculate_result_code(self):
-        strval = repr(float(self.value))
-        if strval == 'nan':
+        strval = self.value
+        assert isinstance(strval, (str, unicode))
+        cmpval = repr(float(strval))
+        if cmpval == 'nan':
             return "(Py_HUGE_VAL * 0)"
-        elif strval == 'inf':
+        elif cmpval == 'inf':
             return "Py_HUGE_VAL"
-        elif strval == '-inf':
+        elif cmpval == '-inf':
             return "(-Py_HUGE_VAL)"
         else:
             return strval
diff --git a/tests/run/specialfloat.pyx b/tests/run/specialfloat.pyx
index 993d1478..7b65942e 100644
--- a/tests/run/specialfloat.pyx
+++ b/tests/run/specialfloat.pyx
@@ -1,4 +1,5 @@
 DEF FLOAT = 12.5
+DEF EFLOAT = 5e-1
 DEF FLOAT_NAN = float('nan')
 DEF FLOAT_INFP = float('+inf')
 DEF FLOAT_INFN = float('-inf')
@@ -20,6 +21,14 @@ def f():
     f = FLOAT
     return f
 
+def efloat():
+    """
+    >>> efloat()
+    0.5
+    """
+    cdef float f = EFLOAT
+    return f
+
 def nan1():
     """
     >>> nan1()
-- 
2.26.2