Core/Dependencies: Update G3D to version 8.01

18 files changed, 216 insertions, 857 deletions

diff --git a/dep/PackageList.txt b/dep/PackageList.txt
index ce4a5252e35..21d6c596b51 100644
--- a/dep/PackageList.txt
+++ b/dep/PackageList.txt
@@ -10,7 +10,7 @@ bzip2 (a freely available, patent free, high-quality data compressor)
 
 G3D (a commercial-grade C++ 3D engine available as Open Source (BSD License)
   http://g3d.sourceforge.net/
-  Version: 8.0-Release
+  Version: 8.01-Release
 
 jemalloc (a general-purpose scalable concurrent malloc-implementation)
   http://www.canonware.com/jemalloc/
diff --git a/dep/g3dlite/include/G3D/AABox.h b/dep/g3dlite/include/G3D/AABox.h
index 2e8da1f6098..d57320d73eb 100644
--- a/dep/g3dlite/include/G3D/AABox.h
+++ b/dep/g3dlite/include/G3D/AABox.h
@@ -20,6 +20,7 @@
 #include "G3D/debug.h"
 #include "G3D/Array.h"
 #include "G3D/Plane.h"
+#include "G3D/Sphere.h"
 
 namespace G3D {
 
@@ -259,6 +260,8 @@ public:
     void getBounds(AABox& out) const {
         out = *this;
     }
+
+    void getBounds(Sphere& out) const;
 };
 
 }
diff --git a/dep/g3dlite/include/G3D/Any.h b/dep/g3dlite/include/G3D/Any.h
index c267eedd22f..e2d0fbe7e62 100644
--- a/dep/g3dlite/include/G3D/Any.h
+++ b/dep/g3dlite/include/G3D/Any.h
@@ -17,7 +17,9 @@
 #include "G3D/platform.h"
 #include "G3D/Table.h"
 #include "G3D/Array.h"
+#include "G3D/Set.h"
 #include "G3D/AtomicInt32.h"
+#include "G3D/stringutils.h"
 #include <string>
 
 // needed for Token
@@ -448,7 +450,6 @@ public:
      */
     std::string resolveStringAsFilename() const;
 
-
     /** If this is named ARRAY or TABLE, returns the name. */
     const std::string& name() const;
 
@@ -518,7 +519,7 @@ public:
 
     // Needed to prevent the operator[](int) overload from catching
     // string literals
-    inline const Any& operator[](const char* key) const {
+    const Any& operator[](const char* key) const {
         return operator[](std::string(key));
     }
 
@@ -548,7 +549,7 @@ public:
     Any& operator[](const std::string& key);
 
     /** \copydoc Any::operator[](const std::string&) */
-    inline Any& operator[](const char* key) {
+    Any& operator[](const char* key) {
         return operator[](std::string(key));
     }
     
@@ -636,6 +637,124 @@ private:
 
 };    // class Any
 
+
+/**
+   Convenient iteration over the keys of a Any::TABLE, usually
+   for implementing construction of an object from an Any.
+
+   Getting an element using either iteration or explicit requests
+   consumes that element from the iterator (but not from the Any!)
+   It is an error to consume the same element more than once from
+   the same iterator.
+
+   <pre>
+    AnyKeyIterator r(a);
+    r.getIfPresent("enabled",            enabled);
+    r.getIfPresent("showSamples",        showSamples);
+    r.getIfPresent("showTiles",          showTiles);
+
+    r.verifyDone();
+    </pre>
+
+    \beta
+*/
+class AnyTableReader {
+private:
+   Any              m_any;
+   Set<std::string> m_alreadyRead;
+public:
+    
+    /** Verifies that \a is a TABLE with the given \a name. */
+    AnyTableReader(const std::string& name, const Any& a) : m_any(a) {
+        try {
+            m_any.verifyType(Any::TABLE);
+            m_any.verifyName(name);
+        } catch (const ParseError& e) {
+            // If an exception is thrown, the destructors will not be 
+            // invoked automatically.
+            m_any.~Any();
+            m_alreadyRead.~Set();
+            throw e;
+        }
+    }
+
+    /** Verifies that \a is a TABLE. */
+    AnyTableReader(const Any& a) : m_any(a) {
+        try {
+            m_any.verifyType(Any::TABLE);
+        } catch (const ParseError& e) {
+            // If an exception is thrown, the destructors will not be 
+            // invoked automatically.
+            m_any.~Any();
+            m_alreadyRead.~Set();
+            throw e;
+        }
+    }
+
+    bool hasMore() const {
+        return m_any.size() > m_alreadyRead.size();
+    }
+
+    /** Verifies that all keys have been read. */
+    void verifyDone() const {
+        if (hasMore()) {
+            // Generate all keys
+            // Remove the ones we've read
+            // Assert the rest
+          //  any.verify("");
+        }
+    }
+
+#if 0
+    /** Returns the current key */
+    const std::string& key() const;
+
+    /** Returns the current value */
+    const Any& value() const;
+
+    AnyKeyIterator& operator++();
+#endif   
+    
+    /** If key \s appears in the any, reads its value into \a v and 
+        removes that key from the ones available to iterate over.
+
+        If key \s does not appear in the any, throws a G3D::ParseError.
+
+        Assumes that if key \s appears in the any it has not already been extracted
+        by this iterator.  If it has been read before, an assertion will fail in debug mode.
+
+      */
+    template<class ValueType>
+    void get(const std::string& s, ValueType& v) {
+        v = m_any[s];
+        m_alreadyRead.insert(toLower(s));
+    }
+
+    /** Get the value associated with a key only if the key is actually present.
+    
+        If key \s appears in the any, reads its value into \a v and 
+        removes that key from the ones available to iterate over.
+
+        If key \s does not appear in the any, does nothing.
+
+        Assumes that if key \s appears in the any it has not already been extracted
+        by this iterator.  If it has been read before, an assertion will fail in debug mode.
+
+        \return True if the value was read.
+      */
+    template<class ValueType>
+    bool getIfPresent(const std::string& s, ValueType& v) {
+        if (m_any.containsKey(s)) {
+            debugAssertM(! m_alreadyRead.contains(toLower(s)), "read twice");
+
+            get(s, v);
+            return true;
+        } else {
+            return false;
+        }
+    }
+};
+
 }    // namespace G3D
 
 #endif
diff --git a/dep/g3dlite/include/G3D/PointHashGrid.h b/dep/g3dlite/include/G3D/PointHashGrid.h
index 5b128d1b5d9..d0b60a88ae5 100644
--- a/dep/g3dlite/include/G3D/PointHashGrid.h
+++ b/dep/g3dlite/include/G3D/PointHashGrid.h
@@ -360,7 +360,7 @@ public:
                      m_arrayIndex(0), m_epoch(0) {}
 
         Iterator(const ThisType* grid) : 
-            m_isEnd(false),
+            m_isEnd(grid->size() == 0),
             m_grid(grid),
             m_tableIterator( grid->m_data.begin() ),
             m_arrayIndex(0),
@@ -387,6 +387,10 @@ public:
             }
         }
 
+        bool hasMore() const {
+            return ! m_isEnd;
+        }
+
         bool operator==(const Iterator& other) const {
             return !(*this != other);
         }
diff --git a/dep/g3dlite/include/G3D/Quat.inl b/dep/g3dlite/include/G3D/Quat.inl
deleted file mode 100644
index 9e4c861d93b..00000000000
--- a/dep/g3dlite/include/G3D/Quat.inl
+++ /dev/null
@@ -1,36 +0,0 @@
-/**
-  Quat.inl
-
-  @cite Quaternion implementation based on Watt & Watt page 363.
-  Thanks to Max McGuire for slerp optimizations.
-
-  @maintainer Morgan McGuire, matrix@graphics3d.com
-
-  @created 2002-01-23
-  @edited  2004-03-04
- */
-
-namespace G3D {
-
-inline float& Quat::operator[] (int i) {
-    debugAssert(i >= 0);
-    debugAssert(i < 4);
-    return ((float*)this)[i];
-}
-
-inline const float& Quat::operator[] (int i) const {
-    debugAssert(i >= 0);
-    debugAssert(i < 4);
-    return ((float*)this)[i];
-}
-
-inline Quat Quat::operator-(const Quat& other) const {
-    return Quat(x - other.x, y - other.y, z - other.z, w - other.w);
-}
-
-inline Quat Quat::operator+(const Quat& other) const {
-    return Quat(x + other.x, y + other.y, z + other.z, w + other.w);
-}
-
-}
-
diff --git a/dep/g3dlite/include/G3D/Sphere.h b/dep/g3dlite/include/G3D/Sphere.h
index 595b61c4bf1..d1448261d9f 100644
--- a/dep/g3dlite/include/G3D/Sphere.h
+++ b/dep/g3dlite/include/G3D/Sphere.h
@@ -15,7 +15,6 @@
 #include "G3D/platform.h"
 #include "G3D/Vector3.h"
 #include "G3D/Array.h"
-#include "G3D/Sphere.h"
 
 namespace G3D {
 
diff --git a/dep/g3dlite/include/G3D/Table.h b/dep/g3dlite/include/G3D/Table.h
index 896a5a2a08a..ab0b114b1c4 100644
--- a/dep/g3dlite/include/G3D/Table.h
+++ b/dep/g3dlite/include/G3D/Table.h
@@ -86,12 +86,11 @@ namespace G3D {
 
   <PRE>
     template<> struct HashTrait<MyEnum> {
-        static size_t equals(const MyEnum& key) const { return reinterpret_cast<size_t>( key ); }
+        static size_t hashCode(const MyEnum& key) const { return reinterpret_cast<size_t>( key ); }
     };
   </PRE>
 
-  And rely on the default enum operator==.
-
+  and rely on the default enum operator==.
 
   Periodically check that debugGetLoad() is low (> 0.1).  When it gets near
   1.0 your hash function is badly designed and maps too many inputs to
diff --git a/dep/g3dlite/include/G3D/Vector2.inl b/dep/g3dlite/include/G3D/Vector2.inl
deleted file mode 100644
index 4f7c55a39cf..00000000000
--- a/dep/g3dlite/include/G3D/Vector2.inl
+++ /dev/null
@@ -1,18 +0,0 @@
-/**
- @file Vector2.inl
-
- @maintainer Morgan McGuire, matrix@graphics3d.com
- @cite Portions by Laura Wollstadt, graphics3d.com
-
- @cite Portions based on Dave Eberly'x Magic Software Library
- at http://www.magic-software.com
-
- @created 2001-06-02
- @edited  2006-01-14
-
-  Copyright 2000-2006, Morgan McGuire.
-  All rights reserved.
- */
-
-}
-
diff --git a/dep/g3dlite/include/G3D/Vector3.inl b/dep/g3dlite/include/G3D/Vector3.inl
deleted file mode 100644
index 9211c2a70fd..00000000000
--- a/dep/g3dlite/include/G3D/Vector3.inl
+++ /dev/null
@@ -1,249 +0,0 @@
-/**
-  @file Vector3.inl
-
-  @maintainer Morgan McGuire, matrix@graphics3d.com
-
-  @cite Portions based on Dave Eberly's Magic Software Library at http://www.magic-software.com
-
-  @created 2001-06-02
-  @edited  2004-05-21
-  Copyright 2000-2004, Morgan McGuire.
-  All rights reserved.
- */
-
-//----------------------------------------------------------------------------
-#ifdef SSE
-    // If you receive an error on this line, it is because you do not have the file
-    // xmmintrin.h needed for MMX & SSE extensions.  Download and install
-    //
-    // http://download.microsoft.com/download/vstudio60ent/SP5/Wideband-Full/WIN98Me/EN-US/vs6sp5.exe
-    // and
-    // http://download.microsoft.com/download/vb60ent/Update/6/W9X2KXP/EN-US/vcpp5.exe
-    //
-    // to get this file.
-#   include <xmmintrin.h>
-#endif
-
-inline unsigned int hashCode(const G3D::Vector3& v) {
-     return v.hashCode();
-}
-
-namespace G3D {
-
-//----------------------------------------------------------------------------
-inline Vector3::Vector3() : x(0.0f), y(0.0f), z(0.0f) {
-}
-
-//----------------------------------------------------------------------------
-
-inline Vector3::Vector3 (float fX, float fY, float fZ) : x(fX), y(fY), z(fZ) {
-}
-
-//----------------------------------------------------------------------------
-inline Vector3::Vector3 (float V[3]) : x(V[0]), y(V[1]), z(V[2]){
-}
-//----------------------------------------------------------------------------
-inline Vector3::Vector3 (double V[3]) : x((float)V[0]), y((float)V[1]), z((float)V[2]){
-}
-
-//----------------------------------------------------------------------------
-inline Vector3::Vector3 (const Vector3& V) : x(V.x), y(V.y), z(V.z) {
-}
-
-//----------------------------------------------------------------------------
-
-//inline Vector3::Vector3 (const __m128& m) {
-    // Cast from SSE packed floats
-//    *this = *(Vector3*)&m;
-//}
-
-//----------------------------------------------------------------------------
-inline const float& Vector3::operator[] (int i) const {
-    return ((float*)this)[i];
-}
-
-inline float& Vector3::operator[] (int i) {
-    return ((float*)this)[i];
-}
-
-//----------------------------------------------------------------------------
-inline Vector3& Vector3::operator= (const Vector3& rkVector) {
-    x = rkVector.x;
-    y = rkVector.y;
-    z = rkVector.z;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-
-inline bool Vector3::fuzzyEq(const Vector3& other) const {
-    return G3D::fuzzyEq((*this - other).squaredMagnitude(), 0);
-}
-
-//----------------------------------------------------------------------------
-
-inline bool Vector3::fuzzyNe(const Vector3& other) const {
-    return G3D::fuzzyNe((*this - other).squaredMagnitude(), 0);
-}
-
-//----------------------------------------------------------------------------
-
-inline bool Vector3::isFinite() const {
-    return G3D::isFinite(x) && G3D::isFinite(y) && G3D::isFinite(z);
-}
-
-//----------------------------------------------------------------------------
-inline bool Vector3::operator== (const Vector3& rkVector) const {
-    return ( x == rkVector.x && y == rkVector.y && z == rkVector.z );
-}
-
-//----------------------------------------------------------------------------
-inline bool Vector3::operator!= (const Vector3& rkVector) const {
-    return ( x != rkVector.x || y != rkVector.y || z != rkVector.z );
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::operator+ (const Vector3& rkVector) const {
-    return Vector3(x + rkVector.x, y + rkVector.y, z + rkVector.z);
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::operator- (const Vector3& rkVector) const {
-    return Vector3(x - rkVector.x, y - rkVector.y, z - rkVector.z);
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::operator* (const Vector3& rkVector) const {
-    return Vector3(x * rkVector.x, y * rkVector.y, z * rkVector.z);
-}
-
-inline Vector3 Vector3::operator*(float f) const {
-    return Vector3(x * f, y * f, z * f);
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::operator/ (const Vector3& rkVector) const {
-    return Vector3(x / rkVector.x, y / rkVector.y, z / rkVector.z);
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::operator- () const {
-    return Vector3(-x, -y, -z);
-}
-
-//----------------------------------------------------------------------------
-inline Vector3& Vector3::operator+= (const Vector3& rkVector) {
-    x += rkVector.x;
-    y += rkVector.y;
-    z += rkVector.z;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-inline Vector3& Vector3::operator-= (const Vector3& rkVector) {
-    x -= rkVector.x;
-    y -= rkVector.y;
-    z -= rkVector.z;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-inline Vector3& Vector3::operator*= (float fScalar) {
-    x *= fScalar;
-    y *= fScalar;
-    z *= fScalar;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-inline Vector3& Vector3::operator*= (const Vector3& rkVector) {
-    x *= rkVector.x;
-    y *= rkVector.y;
-    z *= rkVector.z;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-inline Vector3& Vector3::operator/= (const Vector3& rkVector) {
-    x /= rkVector.x;
-    y /= rkVector.y;
-    z /= rkVector.z;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-inline float Vector3::squaredMagnitude () const {
-    return x*x + y*y + z*z;
-}
-
-//----------------------------------------------------------------------------
-inline float Vector3::squaredLength () const {
-    return squaredMagnitude();
-}
-
-//----------------------------------------------------------------------------
-inline float Vector3::magnitude() const {
-    return sqrtf(x*x + y*y + z*z);
-}
-
-//----------------------------------------------------------------------------
-inline float Vector3::length() const {
-    return magnitude();
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::direction () const {
-    float lenSquared = squaredMagnitude();
-    float invSqrt = 1.0f / sqrtf(lenSquared);
-    return Vector3(x * invSqrt, y * invSqrt, z * invSqrt);
-}
-
-//----------------------------------------------------------------------------
-
-inline Vector3 Vector3::fastDirection () const {
-    float lenSquared = x * x + y * y + z * z;
-    float invSqrt = rsq(lenSquared);
-    return Vector3(x * invSqrt, y * invSqrt, z * invSqrt);
-}
-
-//----------------------------------------------------------------------------
-inline float Vector3::dot (const Vector3& rkVector) const {
-    return x*rkVector.x + y*rkVector.y + z*rkVector.z;
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::cross (const Vector3& rkVector) const {
-    return Vector3(y*rkVector.z - z*rkVector.y, z*rkVector.x - x*rkVector.z,
-                   x*rkVector.y - y*rkVector.x);
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::unitCross (const Vector3& rkVector) const {
-    Vector3 kCross(y*rkVector.z - z*rkVector.y, z*rkVector.x - x*rkVector.z,
-                   x*rkVector.y - y*rkVector.x);
-    kCross.unitize();
-    return kCross;
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::min(const Vector3 &v) const {
-    return Vector3(G3D::min(v.x, x), G3D::min(v.y, y), G3D::min(v.z, z));
-}
-
-//----------------------------------------------------------------------------
-inline Vector3 Vector3::max(const Vector3 &v) const {
-    return Vector3(G3D::max(v.x, x), G3D::max(v.y, y), G3D::max(v.z, z));
-}
-
-//----------------------------------------------------------------------------
-inline bool Vector3::isZero() const {
-    return G3D::fuzzyEq(squaredMagnitude(), 0.0f);
-}
-
-//----------------------------------------------------------------------------
-
-inline bool Vector3::isUnit() const {
-    return G3D::fuzzyEq(squaredMagnitude(), 1.0f);
-}
-
-} // namespace
diff --git a/dep/g3dlite/include/G3D/Vector4.inl b/dep/g3dlite/include/G3D/Vector4.inl
deleted file mode 100644
index 576cca83b56..00000000000
--- a/dep/g3dlite/include/G3D/Vector4.inl
+++ /dev/null
@@ -1,191 +0,0 @@
-/**
-  @file Vector4.inl
-
-  @maintainer Morgan McGuire, matrix@graphics3d.com
-
-  @created 2002-07-09
-  @edited  2003-02-10
- */
-
-//----------------------------------------------------------------------------
-
-inline unsigned int hashCode(const G3D::Vector4& v) {
-     return v.hashCode();
-}
-
-namespace G3D {
-
-//----------------------------------------------------------------------------
-inline Vector4::Vector4() {
-    x = y = z = w = 0;
-}
-
-//----------------------------------------------------------------------------
-
-inline Vector4::Vector4 (float fX, float fY, float fZ, float fW) {
-    x = fX;
-    y = fY;
-    z = fZ;
-    w = fW;
-}
-
-//----------------------------------------------------------------------------
-inline Vector4::Vector4 (float afCoordinate[4]) {
-    x = afCoordinate[0];
-    y = afCoordinate[1];
-    z = afCoordinate[2];
-    w = afCoordinate[3];
-}
-
-//----------------------------------------------------------------------------
-inline Vector4::Vector4(const Vector4& rkVector) {
-    x = rkVector.x;
-    y = rkVector.y;
-    z = rkVector.z;
-    w = rkVector.w;
-}
-//----------------------------------------------------------------------------
-inline Vector4::Vector4(const Vector3& rkVector, float fW) {
-    x = rkVector.x;
-    y = rkVector.y;
-    z = rkVector.z;
-    w = fW;
-}
-
-//----------------------------------------------------------------------------
-inline float& Vector4::operator[] (int i) {
-    return ((float*)this)[i];
-}
-
-//----------------------------------------------------------------------------
-inline const float& Vector4::operator[] (int i) const {
-    return ((float*)this)[i];
-}
-
-//----------------------------------------------------------------------------
-inline Vector4::operator float* () {
-    return (float*)this;
-}
-
-inline Vector4::operator const float* () const {
-    return (float*)this;
-}
-
-//----------------------------------------------------------------------------
-inline Vector4& Vector4::operator= (const Vector4& rkVector) {
-    x = rkVector.x;
-    y = rkVector.y;
-    z = rkVector.z;
-    w = rkVector.w;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-inline bool Vector4::operator== (const Vector4& rkVector) const {
-    return ( (x == rkVector.x) && (y == rkVector.y) && (z == rkVector.z) && (w == rkVector.w));
-}
-
-//----------------------------------------------------------------------------
-inline bool Vector4::operator!= (const Vector4& rkVector) const {
-    return ( x != rkVector.x || y != rkVector.y || z != rkVector.z || w != rkVector.w);
-}
-
-//----------------------------------------------------------------------------
-inline Vector4 Vector4::operator+ (const Vector4& rkVector) const {
-    return Vector4(x + rkVector.x, y + rkVector.y, z + rkVector.z, w + rkVector.w);
-}
-
-//----------------------------------------------------------------------------
-inline Vector4 Vector4::operator- (const Vector4& rkVector) const {
-    return Vector4(x - rkVector.x, y - rkVector.y, z - rkVector.z, w - rkVector.w);
-}
-
-//----------------------------------------------------------------------------
-inline Vector4 Vector4::operator* (float fScalar) const {
-    return Vector4(fScalar*x, fScalar*y, fScalar*z, fScalar*w);
-}
-
-//----------------------------------------------------------------------------
-inline Vector4 Vector4::operator- () const {
-    return Vector4( -x, -y, -z, -w);
-}
-
-//----------------------------------------------------------------------------
-inline Vector4& Vector4::operator+= (const Vector4& rkVector) {
-    x += rkVector.x;
-    y += rkVector.y;
-    z += rkVector.z;
-    w += rkVector.w;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-inline Vector4& Vector4::operator-= (const Vector4& rkVector) {
-    x -= rkVector.x;
-    y -= rkVector.y;
-    z -= rkVector.z;
-    w -= rkVector.w;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-
-inline Vector4 Vector4::lerp(const Vector4& v, float alpha) const {
-    return (*this) + (v - *this) * alpha;
-}
-
-//----------------------------------------------------------------------------
-inline Vector4& Vector4::operator*= (float fScalar) {
-    x *= fScalar;
-    y *= fScalar;
-    z *= fScalar;
-    w *= fScalar;
-    return *this;
-}
-
-//----------------------------------------------------------------------------
-inline float Vector4::dot(const Vector4& rkVector) const {
-    return x*rkVector.x + y*rkVector.y + z*rkVector.z + w*rkVector.w;
-}
-
-//----------------------------------------------------------------------------
-inline Vector4 Vector4::min(const Vector4 &v) const {
-    return Vector4(G3D::min(v.x, x), G3D::min(v.y, y), G3D::min(v.z, z), G3D::min(v.w, w));
-}
-
-//----------------------------------------------------------------------------
-inline Vector4 Vector4::max(const Vector4 &v) const {
-    return Vector4(G3D::max(v.x, x), G3D::max(v.y, y), G3D::max(v.z, z), G3D::max(v.w, w));
-}
-
-//----------------------------------------------------------------------------
-inline bool Vector4::isZero() const {
-    return (x == 0.0f) && (y == 0.0f) && (z == 0.0f) && (w == 0.0f);
-}
-
-//----------------------------------------------------------------------------
-
-inline bool Vector4::isFinite() const {
-    return G3D::isFinite(x) && G3D::isFinite(y) && G3D::isFinite(z) && G3D::isFinite(w);
-}
-
-//----------------------------------------------------------------------------
-
-inline bool Vector4::isUnit() const {
-    return squaredLength() == 1.0;
-}
-
-//----------------------------------------------------------------------------
-
-inline float Vector4::length() const {
-    return sqrtf(squaredLength());
-}
-
-//----------------------------------------------------------------------------
-
-inline float Vector4::squaredLength() const {
-    return x * x + y * y + z * z + w * w;
-}
-
-}
-
diff --git a/dep/g3dlite/include/G3D/g3dmath.inl b/dep/g3dlite/include/G3D/g3dmath.inl
deleted file mode 100644
index 9bf661a7ebc..00000000000
--- a/dep/g3dlite/include/G3D/g3dmath.inl
+++ /dev/null
@@ -1,288 +0,0 @@
-/**
- @file g3dmath.inl
-
-  @maintainer Morgan McGuire, matrix@graphics3d.com
-
- @created 2001-06-02
- @edited  2006-01-14
- */
-
-#include <stdlib.h>
-
-#ifdef _MSC_VER
-// Disable conditional expression is constant, which occurs incorrectly on inlined functions
-#   pragma warning (push)
-#   pragma warning( disable : 4127 )
-#endif
-
-namespace G3D {
-
-inline bool isNaN(double x) {
-    bool b1  = (x < 0.0);
-    bool b2  = (x >= 0.0);
-    bool b3  = !(b1 || b2);
-    return b3;
-}
-
-inline bool isFinite(double x) {
-    return ! isNaN(x) && (x < G3D::inf()) && (x > -G3D::inf());
-}
-
-//----------------------------------------------------------------------------
-inline int iAbs (int iValue) {
-    return ( iValue >= 0 ? iValue : -iValue );
-}
-
-//----------------------------------------------------------------------------
-inline int iCeil (double fValue) {
-    return int(::ceil(fValue));
-}
-
-//----------------------------------------------------------------------------
-
-inline int iClamp(int val, int low, int hi) {
-    debugAssert(low <= hi);
-    if (val <= low) {
-        return low;
-    } else if (val >= hi) {
-        return hi;
-    } else {
-        return val;
-    }
-}
-
-//----------------------------------------------------------------------------
-
-inline double clamp(double val, double low, double hi) {
-    debugAssert(low <= hi);
-    if (val <= low) {
-        return low;
-    } else if (val >= hi) {
-        return hi;
-    } else {
-        return val;
-    }
-}
-
-inline float clamp(float val, float low, float hi) {
-    debugAssert(low <= hi);
-    if (val <= low) {
-        return low;
-    } else if (val >= hi) {
-        return hi;
-    } else {
-        return val;
-    }
-}
-//----------------------------------------------------------------------------
-
-inline int iWrap(int val, int hi) {
-    if (val < 0) {
-        return ((val % hi) + hi) % hi;
-    } else {
-        return val % hi;
-    }
-}
-
-//----------------------------------------------------------------------------
-inline int iFloor (double fValue) {
-    return int(::floor(fValue));
-}
-
-//----------------------------------------------------------------------------
-inline int iSign (int iValue) {
-    return ( iValue > 0 ? + 1 : ( iValue < 0 ? -1 : 0 ) );
-}
-
-inline int iSign (double fValue) {
-    return ( fValue > 0.0 ? + 1 : ( fValue < 0.0 ? -1 : 0 ) );
-}
-
-//----------------------------------------------------------------------------
-inline double abs (double fValue) {
-    return double(::fabs(fValue));
-}
-
-//----------------------------------------------------------------------------
-inline double aCos (double fValue) {
-    if ( -1.0 < fValue ) {
-        if ( fValue < 1.0 )
-            return double(::acos(fValue));
-        else
-            return 0.0;
-    } else {
-        return G3D_PI;
-    }
-}
-
-//----------------------------------------------------------------------------
-inline double aSin (double fValue) {
-    if ( -1.0 < fValue ) {
-        if ( fValue < 1.0 ) {
-            return double(::asin(fValue));
-        } else {
-            return -G3D_HALF_PI;
-        }
-    } else {
-        return G3D_HALF_PI;
-    }
-}
-
-//----------------------------------------------------------------------------
-inline double aTan (double fValue) {
-    return double(::atan(fValue));
-}
-
-//----------------------------------------------------------------------------
-inline double aTan2 (double fY, double fX) {
-    return double(::atan2(fY, fX));
-}
-
-//----------------------------------------------------------------------------
-inline double sign (double fValue) {
-    if (fValue > 0.0) {
-        return 1.0;
-    }
-
-    if (fValue < 0.0) {
-        return -1.0;
-    }
-
-    return 0.0;
-}
-
-inline double G3D_DEPRECATED unitRandom () {
-    return double(::rand()) / double(RAND_MAX);
-}
-
-inline float uniformRandom(float low, float hi) {
-    return (hi - low) * float(::rand()) / float(RAND_MAX) + low;
-}
-
-//----------------------------------------------------------------------------
-inline double G3D_DEPRECATED symmetricRandom () {
-    return 2.0 * double(::rand()) / double(RAND_MAX) - 1.0;
-}
-
-//----------------------------------------------------------------------------
-inline double square(double x) {
-    return x * x;
-}
-
-//----------------------------------------------------------------------------
-inline double sumSquares(double x, double y) {
-    return x*x + y*y;
-}
-
-//----------------------------------------------------------------------------
-inline double sumSquares(double x, double y, double z) {
-    return x*x + y*y + z*z;
-}
-
-//----------------------------------------------------------------------------
-inline double distance(double x, double y) {
-    return sqrt(sumSquares(x, y));
-}
-
-//----------------------------------------------------------------------------
-inline double distance(double x, double y, double z) {
-    return sqrt(sumSquares(x, y, z));
-}
-
-//----------------------------------------------------------------------------
-
-/** @deprecated use G3D::min */
-inline int iMin(int x, int y) {
-    return (x >= y) ? y : x;
-}
-
-//----------------------------------------------------------------------------
-/** @deprecated use G3D::min */
-inline int iMax(int x, int y) {
-    return (x >= y) ? x : y;
-}
-
-//----------------------------------------------------------------------------
-inline int ceilPow2(unsigned int in) {
-    in -= 1;
-
-    in |= in >> 16;
-    in |= in >> 8;
-    in |= in >> 4;
-    in |= in >> 2;
-    in |= in >> 1;
-
-    return in + 1;
-}
-
-inline bool isPow2(int num) {
-    return ((num & -num) == num);
-}
-
-inline bool isOdd(int num) {
-    return (num & 1) == 1;
-}
-
-inline bool isEven(int num) {
-    return (num & 1) == 0;
-}
-
-inline double toRadians(double deg) {
-    return deg * G3D_PI / 180.0;
-}
-
-inline double toDegrees(double rad) {
-    return rad * 180.0 / G3D_PI;
-}
-
-/**
- Computes an appropriate epsilon for comparing a and b.
- */
-inline double eps(double a, double b) {
-    // For a and b to be nearly equal, they must have nearly
-    // the same magnitude.  This means that we can ignore b
-    // since it either has the same magnitude or the comparison
-    // will fail anyway.
-    (void)b;
-    const double aa = abs(a) + 1;
-    if (aa == inf()) {
-        return fuzzyEpsilon;
-    } else {
-        return fuzzyEpsilon * aa;
-    }
-}
-
-inline bool fuzzyEq(double a, double b) {
-    return (a == b) || (abs(a - b) <= eps(a, b));
-}
-
-inline bool fuzzyNe(double a, double b) {
-    return ! fuzzyEq(a, b);
-}
-
-inline bool fuzzyGt(double a, double b) {
-    return a > b + eps(a, b);
-}
-
-inline bool fuzzyGe(double a, double b) {
-    return a > b - eps(a, b);
-}
-
-inline bool fuzzyLt(double a, double b) {
-    return a < b - eps(a, b);
-}
-
-inline bool fuzzyLe(double a, double b) {
-    return a < b + eps(a, b);
-}
-
-inline int iMod3(int x) {
-    return x % 3;
-}
-
-} // namespace G3D
-
-#ifdef _MSC_VER
-// Disable conditional expression is constant, which occurs incorrectly on inlined functions
-#   pragma warning (pop)
-#endif
diff --git a/dep/g3dlite/include/G3D/platform.h b/dep/g3dlite/include/G3D/platform.h
index d399135101b..c8d2f0b6534 100644
--- a/dep/g3dlite/include/G3D/platform.h
+++ b/dep/g3dlite/include/G3D/platform.h
@@ -6,7 +6,7 @@
  @maintainer Morgan McGuire, http://graphics.cs.williams.edu
 
  @created 2003-06-09
- @edited  2010-01-11
+ @edited  2010-08-11
  */
 
 #ifndef G3D_platform_h
@@ -16,7 +16,7 @@
  The version number of G3D in the form: MmmBB -> 
  version M.mm [beta BB]
  */
-#define G3D_VER 80000
+#define G3D_VER 80100
 
 // fatal error for unsupported architectures
 #if defined(__powerpc__)
diff --git a/dep/g3dlite/source/AABox.cpp b/dep/g3dlite/source/AABox.cpp
index 035497aa3c4..8e66456c013 100644
--- a/dep/g3dlite/source/AABox.cpp
+++ b/dep/g3dlite/source/AABox.cpp
@@ -282,6 +282,10 @@ bool AABox::culledBy(
     return false;
 }
 
+void AABox::getBounds(Sphere& s) const {
+    s.center = center();
+    s.radius = extent().length() / 2;
+}
 
 bool AABox::intersects(const class Sphere& sphere) const {
     double d = 0; 
diff --git a/dep/g3dlite/source/Log.cpp b/dep/g3dlite/source/Log.cpp
index d44d88d0242..f437351cfbd 100644
--- a/dep/g3dlite/source/Log.cpp
+++ b/dep/g3dlite/source/Log.cpp
@@ -23,23 +23,23 @@
 namespace G3D {
 
 void logPrintf(const char* fmt, ...) {
-    va_list arg_list;
-    va_start(arg_list, fmt);
+	va_list arg_list;
+	va_start(arg_list, fmt);
     Log::common()->vprintf(fmt, arg_list);
     va_end(arg_list);
 }
 
 
 void logLazyPrintf(const char* fmt, ...) {
-    va_list arg_list;
-    va_start(arg_list, fmt);
+	va_list arg_list;
+	va_start(arg_list, fmt);
     Log::common()->lazyvprintf(fmt, arg_list);
     va_end(arg_list);
 }
 
 Log* Log::commonLog = NULL;
 
-Log::Log(const std::string& filename, int stripFromStackBottom) :
+Log::Log(const std::string& filename, int stripFromStackBottom) : 
     stripFromStackBottom(stripFromStackBottom) {
 
     this->filename = filename;
@@ -50,7 +50,7 @@ Log::Log(const std::string& filename, int stripFromStackBottom) :
         std::string drive, base, ext;
         Array<std::string> path;
         parseFilename(filename, drive, path, base, ext);
-        std::string logName = base + ((ext != "") ? ("." + ext) : "");
+        std::string logName = base + ((ext != "") ? ("." + ext) : ""); 
 
         // Write time is greater than 1ms.  This may be a network drive.... try another file.
         #ifdef G3D_WIN32
@@ -80,7 +80,7 @@ Log::Log(const std::string& filename, int stripFromStackBottom) :
 Log::~Log() {
     section("Shutdown");
     println("Closing log file");
-
+    
     // Make sure we don't leave a dangling pointer
     if (Log::commonLog == this) {
         Log::commonLog = NULL;
diff --git a/dep/g3dlite/source/RegistryUtil.cpp b/dep/g3dlite/source/RegistryUtil.cpp
index fc4cebc2ee5..28ff6955d9b 100644
--- a/dep/g3dlite/source/RegistryUtil.cpp
+++ b/dep/g3dlite/source/RegistryUtil.cpp
@@ -257,7 +257,7 @@ bool RegistryUtil::writeString(const std::string& key, const std::string& value,
 
 
 // static helpers
-static HKEY getRootKeyFromString(const char* str, size_t length) {
+static HKEY getRootKeyFromString(const char* str, uint32 length) {
     debugAssert(str);
 
     if (str) {
diff --git a/dep/g3dlite/source/System.cpp b/dep/g3dlite/source/System.cpp
index 5170ba44941..809f05c0ab4 100644
--- a/dep/g3dlite/source/System.cpp
+++ b/dep/g3dlite/source/System.cpp
@@ -920,9 +920,12 @@ RealTime System::time() {
 
 ////////////////////////////////////////////////////////////////
 
-#define REALPTR_TO_USERPTR(x)   ((uint8*)(x) + sizeof (void *))
-#define USERPTR_TO_REALPTR(x)   ((uint8*)(x) - sizeof (void *))
-#define REALBLOCK_SIZE(x)       ((x) + sizeof (void *))
+
+#define REALPTR_TO_USERPTR(x)   ((uint8*)(x) + sizeof(uint32))
+#define USERPTR_TO_REALPTR(x)   ((uint8*)(x) - sizeof(uint32))
+#define USERSIZE_TO_REALSIZE(x)       ((x) + sizeof(uint32))
+#define REALSIZE_FROM_USERPTR(u) (*(uint32*)USERPTR_TO_REALPTR(ptr) + sizeof(uint32))
+#define USERSIZE_FROM_USERPTR(u) (*(uint32*)USERPTR_TO_REALPTR(ptr))
 
 class BufferPool {
 public:
@@ -947,13 +950,19 @@ public:
 
 private:
 
+    /** Pointer given to the program.  Unless in the tiny heap, the user size of the block is stored right in front of the pointer as a uint32.*/
+    typedef void* UserPtr;
+
+    /** Actual block allocated on the heap */
+    typedef void* RealPtr;
+
     class MemBlock {
     public:
-        void*           ptr;
-        size_t          bytes;
+        UserPtr     ptr;
+        size_t      bytes;
 
         inline MemBlock() : ptr(NULL), bytes(0) {}
-        inline MemBlock(void* p, size_t b) : ptr(p), bytes(b) {}
+        inline MemBlock(UserPtr p, size_t b) : ptr(p), bytes(b) {}
     };
 
     MemBlock smallPool[maxSmallBuffers];
@@ -1010,13 +1019,13 @@ private:
     /** 
      Malloc out of the tiny heap. Returns NULL if allocation failed.
      */
-    inline void* tinyMalloc(size_t bytes) {
+    inline UserPtr tinyMalloc(size_t bytes) {
         // Note that we ignore the actual byte size
         // and create a constant size block.
         (void)bytes;
         assert(tinyBufferSize >= bytes);
 
-        void* ptr = NULL;
+        UserPtr ptr = NULL;
 
         if (tinyPoolSize > 0) {
             --tinyPoolSize;
@@ -1040,20 +1049,20 @@ private:
     }
 
     /** Returns true if this is a pointer into the tiny heap. */
-    bool inTinyHeap(void* ptr) {
+    bool inTinyHeap(UserPtr ptr) {
         return 
             (ptr >= tinyHeap) && 
             (ptr < (uint8*)tinyHeap + maxTinyBuffers * tinyBufferSize);
     }
 
-    void tinyFree(void* ptr) {
+    void tinyFree(UserPtr ptr) {
         assert(ptr);
         assert(tinyPoolSize < maxTinyBuffers);
  //           "Tried to free a tiny pool buffer when the tiny pool freelist is full.");
 
 #       ifdef G3D_DEBUG
             if (tinyPoolSize > 0) {
-                void* prevOnHeap = tinyPool[tinyPoolSize - 1];
+                UserPtr prevOnHeap = tinyPool[tinyPoolSize - 1];
                 assert(prevOnHeap != ptr); 
 //                    "System::malloc heap corruption detected: "
 //                    "the last two pointers on the freelist are identical (during tinyFree).");
@@ -1070,7 +1079,8 @@ private:
 
     void flushPool(MemBlock* pool, int& poolSize) {
         for (int i = 0; i < poolSize; ++i) {
-            ::free(pool[i].ptr);
+            bytesAllocated -= USERSIZE_TO_REALSIZE(pool[i].bytes);
+            ::free(USERPTR_TO_REALPTR(pool[i].ptr));
             pool[i].ptr = NULL;
             pool[i].bytes = 0;
         }
@@ -1078,24 +1088,23 @@ private:
     }
 
 
-    /**  Allocate out of a specific pool->  Return NULL if no suitable 
-         memory was found. 
-    
-         */
-    void* malloc(MemBlock* pool, int& poolSize, size_t bytes) {
+    /** Allocate out of a specific pool.  Return NULL if no suitable 
+        memory was found. */
+    UserPtr malloc(MemBlock* pool, int& poolSize, size_t bytes) {
 
         // OPT: find the smallest block that satisfies the request.
 
-        // See if there's something we can use in the buffer pool->
+        // See if there's something we can use in the buffer pool.
         // Search backwards since usually we'll re-use the last one.
         for (int i = (int)poolSize - 1; i >= 0; --i) {
             if (pool[i].bytes >= bytes) {
-                // We found a suitable entry in the pool->
+                // We found a suitable entry in the pool.
 
                 // No need to offset the pointer; it is already offset
-                void* ptr = pool[i].ptr;
+                UserPtr ptr = pool[i].ptr;
 
-                // Remove this element from the pool
+                // Remove this element from the pool, replacing it with
+                // the one from the end (same as Array::fastRemove)
                 --poolSize;
                 pool[i] = pool[poolSize];
 
@@ -1159,6 +1168,8 @@ public:
 
     ~BufferPool() {
         ::free(tinyHeap);
+        flushPool(smallPool, smallPoolSize);
+        flushPool(medPool, medPoolSize);
 #if 0 //-------------------------------- old mutex
 #       ifdef G3D_WIN32
             DeleteCriticalSection(&mutex);
@@ -1169,7 +1180,7 @@ public:
     }
 
     
-    void* realloc(void* ptr, size_t bytes) {
+    UserPtr realloc(UserPtr ptr, size_t bytes) {
         if (ptr == NULL) {
             return malloc(bytes);
         }
@@ -1181,7 +1192,7 @@ public:
             } else {
                 // Free the old pointer and malloc
                 
-                void* newPtr = malloc(bytes);
+                UserPtr newPtr = malloc(bytes);
                 System::memcpy(newPtr, ptr, tinyBufferSize);
                 tinyFree(ptr);
                 return newPtr;
@@ -1191,28 +1202,28 @@ public:
             // In one of our heaps.
 
             // See how big the block really was
-            size_t realSize = *(uint32*)USERPTR_TO_REALPTR(ptr);
-            if (bytes <= realSize) {
+            size_t userSize = USERSIZE_FROM_USERPTR(ptr);
+            if (bytes <= userSize) {
                 // The old block was big enough.
                 return ptr;
             }
 
-            // Need to reallocate
-            void* newPtr = malloc(bytes);
-            System::memcpy(newPtr, ptr, realSize);
+            // Need to reallocate and move
+            UserPtr newPtr = malloc(bytes);
+            System::memcpy(newPtr, ptr, userSize);
             free(ptr);
             return newPtr;
         }
     }
 
 
-    void* malloc(size_t bytes) {
+    UserPtr malloc(size_t bytes) {
         lock();
         ++totalMallocs;
 
         if (bytes <= tinyBufferSize) {
 
-            void* ptr = tinyMalloc(bytes);
+            UserPtr ptr = tinyMalloc(bytes);
 
             if (ptr) {
                 ++mallocsFromTinyPool;
@@ -1226,7 +1237,7 @@ public:
         // through to a small buffer
         if (bytes <= smallBufferSize) {
             
-            void* ptr = malloc(smallPool, smallPoolSize, bytes);
+            UserPtr ptr = malloc(smallPool, smallPoolSize, bytes);
 
             if (ptr) {
                 ++mallocsFromSmallPool;
@@ -1239,7 +1250,7 @@ public:
             // through into a medium allocation because that would
             // waste the medium buffer's resources.
 
-            void* ptr = malloc(medPool, medPoolSize, bytes);
+            UserPtr ptr = malloc(medPool, medPoolSize, bytes);
 
             if (ptr) {
                 ++mallocsFromMedPool;
@@ -1249,37 +1260,37 @@ public:
             }
         }
 
-        bytesAllocated += REALBLOCK_SIZE(bytes);
+        bytesAllocated += USERSIZE_TO_REALSIZE(bytes);
         unlock();
 
         // Heap allocate
 
         // Allocate 4 extra bytes for our size header (unfortunate,
         // since malloc already added its own header).
-        void* ptr = ::malloc(REALBLOCK_SIZE(bytes));
+        RealPtr ptr = ::malloc(USERSIZE_TO_REALSIZE(bytes));
 
         if (ptr == NULL) {
             // Flush memory pools to try and recover space
             flushPool(smallPool, smallPoolSize);
             flushPool(medPool, medPoolSize);
-            ptr = ::malloc(REALBLOCK_SIZE(bytes));
+            ptr = ::malloc(USERSIZE_TO_REALSIZE(bytes));
         }
 
         if (ptr == NULL) {
             if ((System::outOfMemoryCallback() != NULL) &&
-                (System::outOfMemoryCallback()(REALBLOCK_SIZE(bytes), true) == true)) {
+                (System::outOfMemoryCallback()(USERSIZE_TO_REALSIZE(bytes), true) == true)) {
                 // Re-attempt the malloc
-                ptr = ::malloc(REALBLOCK_SIZE(bytes));
+                ptr = ::malloc(USERSIZE_TO_REALSIZE(bytes));
             }
         }
 
         if (ptr == NULL) {
             if (System::outOfMemoryCallback() != NULL) {
                 // Notify the application
-                System::outOfMemoryCallback()(REALBLOCK_SIZE(bytes), false);
+                System::outOfMemoryCallback()(USERSIZE_TO_REALSIZE(bytes), false);
             }
 #           ifdef G3D_DEBUG
-            debugPrintf("::malloc(%d) returned NULL\n", (int)REALBLOCK_SIZE(bytes));
+            debugPrintf("::malloc(%d) returned NULL\n", (int)USERSIZE_TO_REALSIZE(bytes));
 #           endif
             debugAssertM(ptr != NULL, 
                          "::malloc returned NULL. Either the "
@@ -1294,7 +1305,7 @@ public:
     }
 
 
-    void free(void* ptr) {
+    void free(UserPtr ptr) {
         if (ptr == NULL) {
             // Free does nothing on null pointers
             return;
@@ -1309,7 +1320,7 @@ public:
             return;
         }
 
-        uint32 bytes = *(uint32*)USERPTR_TO_REALPTR(ptr);
+        uint32 bytes = USERSIZE_FROM_USERPTR(ptr);
 
         lock();
         if (bytes <= smallBufferSize) {
@@ -1327,7 +1338,7 @@ public:
                 return;
             }
         }
-        bytesAllocated -= REALBLOCK_SIZE(bytes);
+        bytesAllocated -= USERSIZE_TO_REALSIZE(bytes);
         unlock();
 
         // Free; the buffer pools are full or this is too big to store.
diff --git a/dep/g3dlite/source/TextInput.cpp b/dep/g3dlite/source/TextInput.cpp
index 09abacc7391..354d0de13c0 100644
--- a/dep/g3dlite/source/TextInput.cpp
+++ b/dep/g3dlite/source/TextInput.cpp
@@ -128,32 +128,34 @@ Token TextInput::read() {
 }
 
 
-std::string TextInput::readUntilNewlineAsString() {
-    // Go to the front of the next token
-    Token t = read();
 
-    // Reset the position to the start of this token
+std::string TextInput::readUntilNewlineAsString() {
+/*
+    // Reset the read position back to the start of that token
     currentCharOffset = t.bytePosition();
+    lineNumber = t.line();
+    charNumber = t.character();
     stack.clear();
 
     if (currentCharOffset == buffer.size()) {
         // End of file
         return "";
     }
-
+    */
     std::string s;
 
     // Read until newline or eof
     char c = '\0';
     do {
-      c = buffer[currentCharOffset];
-      if (c == '\r' || c == '\n') {
-          // Done
-          break;
-      } else {
-          s += c;
-          ++currentCharOffset;
-      }
+        c = buffer[currentCharOffset];
+        if (c == '\r' || c == '\n') {
+            // Done
+            break;
+        } else {
+            s += c;
+            ++currentCharOffset;
+            ++charNumber;
+        }
     } while (currentCharOffset < buffer.size());
 
     return s;    
diff --git a/dep/g3dlite/source/g3dmath.cpp b/dep/g3dlite/source/g3dmath.cpp
index e846f8c6080..84e8345bff4 100644
--- a/dep/g3dlite/source/g3dmath.cpp
+++ b/dep/g3dlite/source/g3dmath.cpp
@@ -41,7 +41,7 @@ double inf() {
 }
 
 bool isNaN(float x) {
-    static const float n = fnan();
+    static const float n = nan();
     return memcmp(&x, &n, sizeof(float)) == 0;
 }