From 1b919575f2128dc76976fd6ccc99322344eec985 Mon Sep 17 00:00:00 2001
From: Tom Henderson <tomh@tomh.org>
Date: Thu, 8 Nov 2007 22:31:54 -0800
Subject: [PATCH] fix bug 100 DefaultValue::Bind for floats

---
 src/core/default-value.cc |  2 +-
 src/core/default-value.h  | 18 +++++++++++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/core/default-value.cc b/src/core/default-value.cc
index 2acb6e97d..cd3ed23a0 100644
--- a/src/core/default-value.cc
+++ b/src/core/default-value.cc
@@ -381,7 +381,7 @@ DefaultValueTest::RunTests (void)
   DefaultValue::Bind ("test-c", "257");  
   NumericDefaultValue<float> x ("test-x", "help-x", 10.0);
   NumericDefaultValue<double> y ("test-y", "help-y", 10.0);
-
+  DefaultValue::Bind ("test-y", "-3");  
 
   EnumDefaultValue<enum MyEnum> e ("test-e", "help-e",
 				   MY_ENUM_C, "C",
diff --git a/src/core/default-value.h b/src/core/default-value.h
index 8d252ab45..f9caac9e4 100644
--- a/src/core/default-value.h
+++ b/src/core/default-value.h
@@ -219,6 +219,7 @@ private:
   virtual bool DoParseValue (const std::string &value);
   virtual std::string DoGetType (void) const;
   virtual std::string DoGetDefaultValue (void) const;
+  T RealMin (void) const;
   T m_defaultValue;
   T m_minValue;
   T m_maxValue;
@@ -377,7 +378,7 @@ NumericDefaultValue<T>::NumericDefaultValue (std::string name,
 					     T defaultValue)
   : DefaultValueBase (name, help),
     m_defaultValue (defaultValue),
-    m_minValue (std::numeric_limits<T>::min ()),
+    m_minValue (RealMin ()),
     m_maxValue (std::numeric_limits<T>::max ()),
     m_value (defaultValue)
 {
@@ -469,6 +470,21 @@ NumericDefaultValue<T>::DoGetDefaultValue (void) const
   return oss.str ();
 }
 
+template <typename T>
+T
+NumericDefaultValue<T>::RealMin (void) const
+{
+  if (std::numeric_limits<T>::is_integer) 
+    {
+      return std::numeric_limits<T>::min ();
+    }
+  else 
+    {
+      return -std::numeric_limits<T>::max ();
+    }
+}
+
+
 /**************************************************************
  **************************************************************/