From d0147a863b872ecaa451ab0dce2a348760e99e2c Mon Sep 17 00:00:00 2001
From: Ben Murdoch <benm@google.com>
Date: Wed, 13 Jul 2011 10:14:36 +0100
Subject: Merge WebKit at branches/chromium/742 r89068: Initial merge by Git.

Take us to top of Chrome 12 release branch (12.0.742.130)

Change-Id: I4408a97e343a118cf4a1bb9d71367bcc2c16ae48
---
 Source/JavaScriptCore/wtf/MathExtras.h | 24 +++++++++++++++++-------
 1 file changed, 17 insertions(+), 7 deletions(-)

(limited to 'Source/JavaScriptCore/wtf')

diff --git a/Source/JavaScriptCore/wtf/MathExtras.h b/Source/JavaScriptCore/wtf/MathExtras.h
index fac187c..f1b13a5 100644
--- a/Source/JavaScriptCore/wtf/MathExtras.h
+++ b/Source/JavaScriptCore/wtf/MathExtras.h
@@ -220,17 +220,27 @@ inline int clampToPositiveInteger(double d)
     return static_cast<int>(std::max<double>(std::min(d, maxIntAsDouble), 0));
 }
 
-inline int clampToInteger(float d)
+inline int clampToInteger(float x)
 {
-    const float minIntAsFloat = static_cast<float>(std::numeric_limits<int>::min());
-    const float maxIntAsFloat = static_cast<float>(std::numeric_limits<int>::max());
-    return static_cast<int>(std::max(std::min(d, maxIntAsFloat), minIntAsFloat));
+    static const int s_intMax = std::numeric_limits<int>::max();
+    static const int s_intMin = std::numeric_limits<int>::min();
+    
+    if (x >= static_cast<float>(s_intMax))
+        return s_intMax;
+    if (x < static_cast<float>(s_intMin))
+        return s_intMin;
+    return static_cast<int>(x);
 }
 
-inline int clampToPositiveInteger(float d)
+inline int clampToPositiveInteger(float x)
 {
-    const float maxIntAsFloat = static_cast<float>(std::numeric_limits<int>::max());
-    return static_cast<int>(std::max<float>(std::min(d, maxIntAsFloat), 0));
+    static const int s_intMax = std::numeric_limits<int>::max();
+    
+    if (x >= static_cast<float>(s_intMax))
+        return s_intMax;
+    if (x < 0)
+        return 0;
+    return static_cast<int>(x);
 }
 
 inline int clampToInteger(unsigned value)
-- 
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