[llvm-commits] CVS: llvm/lib/VMCore/Constants.cpp

[Alkis Evlogimenos]

Changes in directory llvm/lib/VMCore:

Constants.cpp updated: 1.113 -> 1.114
---
Log message:

Fix check for valid floats.  Also use and HUGE_VALF instead
of std::numeric_limits, because they work in more platforms.


---
Diffs of the changes:  (+1 -10)

Index: llvm/lib/VMCore/Constants.cpp
diff -u llvm/lib/VMCore/Constants.cpp:1.113 llvm/lib/VMCore/Constants.cpp:1.114
--- llvm/lib/VMCore/Constants.cpp:1.113	Mon Dec  6 16:18:37 2004
+++ llvm/lib/VMCore/Constants.cpp	Tue Dec  7 00:46:50 2004
@@ -21,7 +21,6 @@
 #include "llvm/ADT/StringExtras.h"
 #include <algorithm>
 #include <iostream>
-#include <limits>
 using namespace llvm;
 
 ConstantBool *ConstantBool::True  = new ConstantBool(true);
@@ -443,15 +442,7 @@
 
     // TODO: Figure out how to test if a double can be cast to a float!
   case Type::FloatTyID:
-    return 
-      (std::numeric_limits<double>::has_infinity && 
-       std::numeric_limits<float>::has_infinity &&
-       Val == std::numeric_limits<double>::infinity()) ||
-      (std::numeric_limits<double>::has_quiet_NaN &&
-       std::numeric_limits<float>::has_quiet_NaN &&
-       Val == std::numeric_limits<double>::quiet_NaN()) ||
-      (Val >= -std::numeric_limits<float>::max() && 
-       Val <= std::numeric_limits<float>::max());
+    return isinf(Val) || isnan(Val) || (Val >= -HUGE_VALF && Val <= HUGE_VALF);
     
   case Type::DoubleTyID:
     return true;          // This is the largest type...