Fix line endlings

1 files changed, 549 insertions, 549 deletions

diff --git a/indra/llmath/v4math.h b/indra/llmath/v4math.h
index 2a21edf198..7ed22212d3 100644
--- a/indra/llmath/v4math.h
+++ b/indra/llmath/v4math.h
@@ -1,549 +1,549 @@
-/**

- * @file v4math.h

- * @brief LLVector4 class header file.

- *

- * $LicenseInfo:firstyear=2000&license=viewerlgpl$

- * Second Life Viewer Source Code

- * Copyright (C) 2010, Linden Research, Inc.

- *

- * This library is free software; you can redistribute it and/or

- * modify it under the terms of the GNU Lesser General Public

- * License as published by the Free Software Foundation;

- * version 2.1 of the License only.

- *

- * This library is distributed in the hope that it will be useful,

- * but WITHOUT ANY WARRANTY; without even the implied warranty of

- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

- * Lesser General Public License for more details.

- *

- * You should have received a copy of the GNU Lesser General Public

- * License along with this library; if not, write to the Free Software

- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

- *

- * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA

- * $/LicenseInfo$

- */

-

-#ifndef LL_V4MATH_H

-#define LL_V4MATH_H

-

-#include "llerror.h"

-#include "llmath.h"

-#include "v3math.h"

-#include "v2math.h"

-

-class LLMatrix3;

-class LLMatrix4;

-class LLQuaternion;

-

-//  LLVector4 = |x y z w|

-

-static const U32 LENGTHOFVECTOR4 = 4;

-

-class LLVector4

-{

-    public:

-        F32 mV[LENGTHOFVECTOR4];

-        LLVector4();                        // Initializes LLVector4 to (0, 0, 0, 1)

-        explicit LLVector4(const F32 *vec);         // Initializes LLVector4 to (vec[0]. vec[1], vec[2], vec[3])

-        explicit LLVector4(const F64 *vec);         // Initialized LLVector4 to ((F32) vec[0], (F32) vec[1], (F32) vec[3], (F32) vec[4]);

-        explicit LLVector4(const LLVector2 &vec);

-        explicit LLVector4(const LLVector2 &vec, F32 z, F32 w);

-        explicit LLVector4(const LLVector3 &vec);           // Initializes LLVector4 to (vec, 1)

-        explicit LLVector4(const LLVector3 &vec, F32 w);    // Initializes LLVector4 to (vec, w)

-        explicit LLVector4(const LLSD &sd);

-        LLVector4(F32 x, F32 y, F32 z);     // Initializes LLVector4 to (x. y, z, 1)

-        LLVector4(F32 x, F32 y, F32 z, F32 w);

-

-        LLSD getValue() const

-        {

-            LLSD ret;

-            ret[0] = mV[0];

-            ret[1] = mV[1];

-            ret[2] = mV[2];

-            ret[3] = mV[3];

-            return ret;

-        }

-

-        void setValue(const LLSD& sd)

-        {

-            mV[0] = sd[0].asReal();

-            mV[1] = sd[1].asReal();

-            mV[2] = sd[2].asReal();

-            mV[3] = sd[3].asReal();

-        }

-

-

-        inline bool isFinite() const;                                   // checks to see if all values of LLVector3 are finite

-

-        inline void clear();        // Clears LLVector4 to (0, 0, 0, 1)

-        inline void clearVec();     // deprecated

-        inline void zeroVec();      // deprecated

-

-        inline void set(F32 x, F32 y, F32 z);           // Sets LLVector4 to (x, y, z, 1)

-        inline void set(F32 x, F32 y, F32 z, F32 w);    // Sets LLVector4 to (x, y, z, w)

-        inline void set(const LLVector4 &vec);          // Sets LLVector4 to vec

-        inline void set(const LLVector3 &vec, F32 w = 1.f); // Sets LLVector4 to LLVector3 vec

-        inline void set(const F32 *vec);                // Sets LLVector4 to vec

-

-        inline void setVec(F32 x, F32 y, F32 z);        // deprecated

-        inline void setVec(F32 x, F32 y, F32 z, F32 w); // deprecated

-        inline void setVec(const LLVector4 &vec);       // deprecated

-        inline void setVec(const LLVector3 &vec, F32 w = 1.f); // deprecated

-        inline void setVec(const F32 *vec);             // deprecated

-

-        F32 length() const;             // Returns magnitude of LLVector4

-        F32 lengthSquared() const;      // Returns magnitude squared of LLVector4

-        F32 normalize();                // Normalizes and returns the magnitude of LLVector4

-

-        F32         magVec() const;             // deprecated

-        F32         magVecSquared() const;      // deprecated

-        F32         normVec();                  // deprecated

-

-        // Sets all values to absolute value of their original values

-        // Returns true if data changed

-        bool abs();

-

-        bool isExactlyClear() const     { return (mV[VW] == 1.0f) && !mV[VX] && !mV[VY] && !mV[VZ]; }

-        bool isExactlyZero() const      { return !mV[VW] && !mV[VX] && !mV[VY] && !mV[VZ]; }

-

-        const LLVector4&    rotVec(const LLMatrix4 &mat);               // Rotates by MAT4 mat

-        const LLVector4&    rotVec(const LLQuaternion &q);              // Rotates by QUAT q

-

-        const LLVector4&    scaleVec(const LLVector4& vec); // Scales component-wise by vec

-

-        F32 operator[](int idx) const { return mV[idx]; }

-        F32 &operator[](int idx) { return mV[idx]; }

-

-        friend std::ostream&     operator<<(std::ostream& s, const LLVector4 &a);       // Print a

-        friend LLVector4 operator+(const LLVector4 &a, const LLVector4 &b); // Return vector a + b

-        friend LLVector4 operator-(const LLVector4 &a, const LLVector4 &b); // Return vector a minus b

-        friend F32  operator*(const LLVector4 &a, const LLVector4 &b);      // Return a dot b

-        friend LLVector4 operator%(const LLVector4 &a, const LLVector4 &b); // Return a cross b

-        friend LLVector4 operator/(const LLVector4 &a, F32 k);              // Return a divided by scaler k

-        friend LLVector4 operator*(const LLVector4 &a, F32 k);              // Return a times scaler k

-        friend LLVector4 operator*(F32 k, const LLVector4 &a);              // Return a times scaler k

-        friend bool operator==(const LLVector4 &a, const LLVector4 &b);     // Return a == b

-        friend bool operator!=(const LLVector4 &a, const LLVector4 &b);     // Return a != b

-

-        friend const LLVector4& operator+=(LLVector4 &a, const LLVector4 &b);   // Return vector a + b

-        friend const LLVector4& operator-=(LLVector4 &a, const LLVector4 &b);   // Return vector a minus b

-        friend const LLVector4& operator%=(LLVector4 &a, const LLVector4 &b);   // Return a cross b

-        friend const LLVector4& operator*=(LLVector4 &a, F32 k);                // Return a times scaler k

-        friend const LLVector4& operator/=(LLVector4 &a, F32 k);                // Return a divided by scaler k

-

-        friend LLVector4 operator-(const LLVector4 &a);                 // Return vector -a

-};

-

-// Non-member functions

-F32 angle_between(const LLVector4 &a, const LLVector4 &b);      // Returns angle (radians) between a and b

-bool are_parallel(const LLVector4 &a, const LLVector4 &b, F32 epsilon = F_APPROXIMATELY_ZERO);      // Returns true if a and b are very close to parallel

-F32 dist_vec(const LLVector4 &a, const LLVector4 &b);           // Returns distance between a and b

-F32 dist_vec_squared(const LLVector4 &a, const LLVector4 &b);   // Returns distance squared between a and b

-LLVector3   vec4to3(const LLVector4 &vec);

-LLVector4   vec3to4(const LLVector3 &vec);

-LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u); // Returns a vector that is a linear interpolation between a and b

-

-// Constructors

-

-inline LLVector4::LLVector4(void)

-{

-    mV[VX] = 0.f;

-    mV[VY] = 0.f;

-    mV[VZ] = 0.f;

-    mV[VW] = 1.f;

-}

-

-inline LLVector4::LLVector4(F32 x, F32 y, F32 z)

-{

-    mV[VX] = x;

-    mV[VY] = y;

-    mV[VZ] = z;

-    mV[VW] = 1.f;

-}

-

-inline LLVector4::LLVector4(F32 x, F32 y, F32 z, F32 w)

-{

-    mV[VX] = x;

-    mV[VY] = y;

-    mV[VZ] = z;

-    mV[VW] = w;

-}

-

-inline LLVector4::LLVector4(const F32 *vec)

-{

-    mV[VX] = vec[VX];

-    mV[VY] = vec[VY];

-    mV[VZ] = vec[VZ];

-    mV[VW] = vec[VW];

-}

-

-inline LLVector4::LLVector4(const F64 *vec)

-{

-    mV[VX] = (F32) vec[VX];

-    mV[VY] = (F32) vec[VY];

-    mV[VZ] = (F32) vec[VZ];

-    mV[VW] = (F32) vec[VW];

-}

-

-inline LLVector4::LLVector4(const LLVector2 &vec)

-{

-    mV[VX] = vec[VX];

-    mV[VY] = vec[VY];

-    mV[VZ] = 0.f;

-    mV[VW] = 0.f;

-}

-

-inline LLVector4::LLVector4(const LLVector2 &vec, F32 z, F32 w)

-{

-    mV[VX] = vec[VX];

-    mV[VY] = vec[VY];

-    mV[VZ] = z;

-    mV[VW] = w;

-}

-

-inline LLVector4::LLVector4(const LLVector3 &vec)

-{

-    mV[VX] = vec.mV[VX];

-    mV[VY] = vec.mV[VY];

-    mV[VZ] = vec.mV[VZ];

-    mV[VW] = 1.f;

-}

-

-inline LLVector4::LLVector4(const LLVector3 &vec, F32 w)

-{

-    mV[VX] = vec.mV[VX];

-    mV[VY] = vec.mV[VY];

-    mV[VZ] = vec.mV[VZ];

-    mV[VW] = w;

-}

-

-inline LLVector4::LLVector4(const LLSD &sd)

-{

-    setValue(sd);

-}

-

-

-inline bool LLVector4::isFinite() const

-{

-    return (llfinite(mV[VX]) && llfinite(mV[VY]) && llfinite(mV[VZ]) && llfinite(mV[VW]));

-}

-

-// Clear and Assignment Functions

-

-inline void LLVector4::clear(void)

-{

-    mV[VX] = 0.f;

-    mV[VY] = 0.f;

-    mV[VZ] = 0.f;

-    mV[VW] = 1.f;

-}

-

-// deprecated

-inline void LLVector4::clearVec(void)

-{

-    mV[VX] = 0.f;

-    mV[VY] = 0.f;

-    mV[VZ] = 0.f;

-    mV[VW] = 1.f;

-}

-

-// deprecated

-inline void LLVector4::zeroVec(void)

-{

-    mV[VX] = 0.f;

-    mV[VY] = 0.f;

-    mV[VZ] = 0.f;

-    mV[VW] = 0.f;

-}

-

-inline void LLVector4::set(F32 x, F32 y, F32 z)

-{

-    mV[VX] = x;

-    mV[VY] = y;

-    mV[VZ] = z;

-    mV[VW] = 1.f;

-}

-

-inline void LLVector4::set(F32 x, F32 y, F32 z, F32 w)

-{

-    mV[VX] = x;

-    mV[VY] = y;

-    mV[VZ] = z;

-    mV[VW] = w;

-}

-

-inline void LLVector4::set(const LLVector4 &vec)

-{

-    mV[VX] = vec.mV[VX];

-    mV[VY] = vec.mV[VY];

-    mV[VZ] = vec.mV[VZ];

-    mV[VW] = vec.mV[VW];

-}

-

-inline void LLVector4::set(const LLVector3 &vec, F32 w)

-{

-    mV[VX] = vec.mV[VX];

-    mV[VY] = vec.mV[VY];

-    mV[VZ] = vec.mV[VZ];

-    mV[VW] = w;

-}

-

-inline void LLVector4::set(const F32 *vec)

-{

-    mV[VX] = vec[VX];

-    mV[VY] = vec[VY];

-    mV[VZ] = vec[VZ];

-    mV[VW] = vec[VW];

-}

-

-

-// deprecated

-inline void LLVector4::setVec(F32 x, F32 y, F32 z)

-{

-    mV[VX] = x;

-    mV[VY] = y;

-    mV[VZ] = z;

-    mV[VW] = 1.f;

-}

-

-// deprecated

-inline void LLVector4::setVec(F32 x, F32 y, F32 z, F32 w)

-{

-    mV[VX] = x;

-    mV[VY] = y;

-    mV[VZ] = z;

-    mV[VW] = w;

-}

-

-// deprecated

-inline void LLVector4::setVec(const LLVector4 &vec)

-{

-    mV[VX] = vec.mV[VX];

-    mV[VY] = vec.mV[VY];

-    mV[VZ] = vec.mV[VZ];

-    mV[VW] = vec.mV[VW];

-}

-

-// deprecated

-inline void LLVector4::setVec(const LLVector3 &vec, F32 w)

-{

-    mV[VX] = vec.mV[VX];

-    mV[VY] = vec.mV[VY];

-    mV[VZ] = vec.mV[VZ];

-    mV[VW] = w;

-}

-

-// deprecated

-inline void LLVector4::setVec(const F32 *vec)

-{

-    mV[VX] = vec[VX];

-    mV[VY] = vec[VY];

-    mV[VZ] = vec[VZ];

-    mV[VW] = vec[VW];

-}

-

-// LLVector4 Magnitude and Normalization Functions

-

-inline F32      LLVector4::length(void) const

-{

-    return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);

-}

-

-inline F32      LLVector4::lengthSquared(void) const

-{

-    return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];

-}

-

-inline F32      LLVector4::magVec(void) const

-{

-    return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);

-}

-

-inline F32      LLVector4::magVecSquared(void) const

-{

-    return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];

-}

-

-// LLVector4 Operators

-

-inline LLVector4 operator+(const LLVector4 &a, const LLVector4 &b)

-{

-    LLVector4 c(a);

-    return c += b;

-}

-

-inline LLVector4 operator-(const LLVector4 &a, const LLVector4 &b)

-{

-    LLVector4 c(a);

-    return c -= b;

-}

-

-inline F32  operator*(const LLVector4 &a, const LLVector4 &b)

-{

-    return (a.mV[VX]*b.mV[VX] + a.mV[VY]*b.mV[VY] + a.mV[VZ]*b.mV[VZ]);

-}

-

-inline LLVector4 operator%(const LLVector4 &a, const LLVector4 &b)

-{

-    return LLVector4(a.mV[VY]*b.mV[VZ] - b.mV[VY]*a.mV[VZ], a.mV[VZ]*b.mV[VX] - b.mV[VZ]*a.mV[VX], a.mV[VX]*b.mV[VY] - b.mV[VX]*a.mV[VY]);

-}

-

-inline LLVector4 operator/(const LLVector4 &a, F32 k)

-{

-    F32 t = 1.f / k;

-    return LLVector4( a.mV[VX] * t, a.mV[VY] * t, a.mV[VZ] * t );

-}

-

-

-inline LLVector4 operator*(const LLVector4 &a, F32 k)

-{

-    return LLVector4( a.mV[VX] * k, a.mV[VY] * k, a.mV[VZ] * k );

-}

-

-inline LLVector4 operator*(F32 k, const LLVector4 &a)

-{

-    return LLVector4( a.mV[VX] * k, a.mV[VY] * k, a.mV[VZ] * k );

-}

-

-inline bool operator==(const LLVector4 &a, const LLVector4 &b)

-{

-    return (  (a.mV[VX] == b.mV[VX])

-            &&(a.mV[VY] == b.mV[VY])

-            &&(a.mV[VZ] == b.mV[VZ]));

-}

-

-inline bool operator!=(const LLVector4 &a, const LLVector4 &b)

-{

-    return (  (a.mV[VX] != b.mV[VX])

-            ||(a.mV[VY] != b.mV[VY])

-            ||(a.mV[VZ] != b.mV[VZ])

-            ||(a.mV[VW] != b.mV[VW]) );

-}

-

-inline const LLVector4& operator+=(LLVector4 &a, const LLVector4 &b)

-{

-    a.mV[VX] += b.mV[VX];

-    a.mV[VY] += b.mV[VY];

-    a.mV[VZ] += b.mV[VZ];

-    return a;

-}

-

-inline const LLVector4& operator-=(LLVector4 &a, const LLVector4 &b)

-{

-    a.mV[VX] -= b.mV[VX];

-    a.mV[VY] -= b.mV[VY];

-    a.mV[VZ] -= b.mV[VZ];

-    return a;

-}

-

-inline const LLVector4& operator%=(LLVector4 &a, const LLVector4 &b)

-{

-    LLVector4 ret(a.mV[VY]*b.mV[VZ] - b.mV[VY]*a.mV[VZ], a.mV[VZ]*b.mV[VX] - b.mV[VZ]*a.mV[VX], a.mV[VX]*b.mV[VY] - b.mV[VX]*a.mV[VY]);

-    a = ret;

-    return a;

-}

-

-inline const LLVector4& operator*=(LLVector4 &a, F32 k)

-{

-    a.mV[VX] *= k;

-    a.mV[VY] *= k;

-    a.mV[VZ] *= k;

-    return a;

-}

-

-inline const LLVector4& operator/=(LLVector4 &a, F32 k)

-{

-    F32 t = 1.f / k;

-    a.mV[VX] *= t;

-    a.mV[VY] *= t;

-    a.mV[VZ] *= t;

-    return a;

-}

-

-inline LLVector4 operator-(const LLVector4 &a)

-{

-    return LLVector4( -a.mV[VX], -a.mV[VY], -a.mV[VZ] );

-}

-

-inline F32  dist_vec(const LLVector4 &a, const LLVector4 &b)

-{

-    LLVector4 vec = a - b;

-    return (vec.length());

-}

-

-inline F32  dist_vec_squared(const LLVector4 &a, const LLVector4 &b)

-{

-    LLVector4 vec = a - b;

-    return (vec.lengthSquared());

-}

-

-inline LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u)

-{

-    return LLVector4(

-        a.mV[VX] + (b.mV[VX] - a.mV[VX]) * u,

-        a.mV[VY] + (b.mV[VY] - a.mV[VY]) * u,

-        a.mV[VZ] + (b.mV[VZ] - a.mV[VZ]) * u,

-        a.mV[VW] + (b.mV[VW] - a.mV[VW]) * u);

-}

-

-inline F32      LLVector4::normalize(void)

-{

-    F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);

-    F32 oomag;

-

-    if (mag > FP_MAG_THRESHOLD)

-    {

-        oomag = 1.f/mag;

-        mV[VX] *= oomag;

-        mV[VY] *= oomag;

-        mV[VZ] *= oomag;

-    }

-    else

-    {

-        mV[0] = 0.f;

-        mV[1] = 0.f;

-        mV[2] = 0.f;

-        mag = 0;

-    }

-    return (mag);

-}

-

-// deprecated

-inline F32      LLVector4::normVec(void)

-{

-    F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);

-    F32 oomag;

-

-    if (mag > FP_MAG_THRESHOLD)

-    {

-        oomag = 1.f/mag;

-        mV[VX] *= oomag;

-        mV[VY] *= oomag;

-        mV[VZ] *= oomag;

-    }

-    else

-    {

-        mV[0] = 0.f;

-        mV[1] = 0.f;

-        mV[2] = 0.f;

-        mag = 0;

-    }

-    return (mag);

-}

-

-// Because apparently some parts of the viewer use this for color info.

-inline const LLVector4 srgbVector4(const LLVector4 &a) {

-    LLVector4 srgbColor;

-

-    srgbColor.mV[0] = linearTosRGB(a.mV[0]);

-    srgbColor.mV[1] = linearTosRGB(a.mV[1]);

-    srgbColor.mV[2] = linearTosRGB(a.mV[2]);

-    srgbColor.mV[3] = a.mV[3];

-

-    return srgbColor;

-}

-

-

-#endif

-

+/**
+ * @file v4math.h
+ * @brief LLVector4 class header file.
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+#ifndef LL_V4MATH_H
+#define LL_V4MATH_H
+
+#include "llerror.h"
+#include "llmath.h"
+#include "v3math.h"
+#include "v2math.h"
+
+class LLMatrix3;
+class LLMatrix4;
+class LLQuaternion;
+
+//  LLVector4 = |x y z w|
+
+static const U32 LENGTHOFVECTOR4 = 4;
+
+class LLVector4
+{
+    public:
+        F32 mV[LENGTHOFVECTOR4];
+        LLVector4();                        // Initializes LLVector4 to (0, 0, 0, 1)
+        explicit LLVector4(const F32 *vec);         // Initializes LLVector4 to (vec[0]. vec[1], vec[2], vec[3])
+        explicit LLVector4(const F64 *vec);         // Initialized LLVector4 to ((F32) vec[0], (F32) vec[1], (F32) vec[3], (F32) vec[4]);
+        explicit LLVector4(const LLVector2 &vec);
+        explicit LLVector4(const LLVector2 &vec, F32 z, F32 w);
+        explicit LLVector4(const LLVector3 &vec);           // Initializes LLVector4 to (vec, 1)
+        explicit LLVector4(const LLVector3 &vec, F32 w);    // Initializes LLVector4 to (vec, w)
+        explicit LLVector4(const LLSD &sd);
+        LLVector4(F32 x, F32 y, F32 z);     // Initializes LLVector4 to (x. y, z, 1)
+        LLVector4(F32 x, F32 y, F32 z, F32 w);
+
+        LLSD getValue() const
+        {
+            LLSD ret;
+            ret[0] = mV[0];
+            ret[1] = mV[1];
+            ret[2] = mV[2];
+            ret[3] = mV[3];
+            return ret;
+        }
+
+        void setValue(const LLSD& sd)
+        {
+            mV[0] = sd[0].asReal();
+            mV[1] = sd[1].asReal();
+            mV[2] = sd[2].asReal();
+            mV[3] = sd[3].asReal();
+        }
+
+
+        inline bool isFinite() const;                                   // checks to see if all values of LLVector3 are finite
+
+        inline void clear();        // Clears LLVector4 to (0, 0, 0, 1)
+        inline void clearVec();     // deprecated
+        inline void zeroVec();      // deprecated
+
+        inline void set(F32 x, F32 y, F32 z);           // Sets LLVector4 to (x, y, z, 1)
+        inline void set(F32 x, F32 y, F32 z, F32 w);    // Sets LLVector4 to (x, y, z, w)
+        inline void set(const LLVector4 &vec);          // Sets LLVector4 to vec
+        inline void set(const LLVector3 &vec, F32 w = 1.f); // Sets LLVector4 to LLVector3 vec
+        inline void set(const F32 *vec);                // Sets LLVector4 to vec
+
+        inline void setVec(F32 x, F32 y, F32 z);        // deprecated
+        inline void setVec(F32 x, F32 y, F32 z, F32 w); // deprecated
+        inline void setVec(const LLVector4 &vec);       // deprecated
+        inline void setVec(const LLVector3 &vec, F32 w = 1.f); // deprecated
+        inline void setVec(const F32 *vec);             // deprecated
+
+        F32 length() const;             // Returns magnitude of LLVector4
+        F32 lengthSquared() const;      // Returns magnitude squared of LLVector4
+        F32 normalize();                // Normalizes and returns the magnitude of LLVector4
+
+        F32         magVec() const;             // deprecated
+        F32         magVecSquared() const;      // deprecated
+        F32         normVec();                  // deprecated
+
+        // Sets all values to absolute value of their original values
+        // Returns true if data changed
+        bool abs();
+
+        bool isExactlyClear() const     { return (mV[VW] == 1.0f) && !mV[VX] && !mV[VY] && !mV[VZ]; }
+        bool isExactlyZero() const      { return !mV[VW] && !mV[VX] && !mV[VY] && !mV[VZ]; }
+
+        const LLVector4&    rotVec(const LLMatrix4 &mat);               // Rotates by MAT4 mat
+        const LLVector4&    rotVec(const LLQuaternion &q);              // Rotates by QUAT q
+
+        const LLVector4&    scaleVec(const LLVector4& vec); // Scales component-wise by vec
+
+        F32 operator[](int idx) const { return mV[idx]; }
+        F32 &operator[](int idx) { return mV[idx]; }
+
+        friend std::ostream&     operator<<(std::ostream& s, const LLVector4 &a);       // Print a
+        friend LLVector4 operator+(const LLVector4 &a, const LLVector4 &b); // Return vector a + b
+        friend LLVector4 operator-(const LLVector4 &a, const LLVector4 &b); // Return vector a minus b
+        friend F32  operator*(const LLVector4 &a, const LLVector4 &b);      // Return a dot b
+        friend LLVector4 operator%(const LLVector4 &a, const LLVector4 &b); // Return a cross b
+        friend LLVector4 operator/(const LLVector4 &a, F32 k);              // Return a divided by scaler k
+        friend LLVector4 operator*(const LLVector4 &a, F32 k);              // Return a times scaler k
+        friend LLVector4 operator*(F32 k, const LLVector4 &a);              // Return a times scaler k
+        friend bool operator==(const LLVector4 &a, const LLVector4 &b);     // Return a == b
+        friend bool operator!=(const LLVector4 &a, const LLVector4 &b);     // Return a != b
+
+        friend const LLVector4& operator+=(LLVector4 &a, const LLVector4 &b);   // Return vector a + b
+        friend const LLVector4& operator-=(LLVector4 &a, const LLVector4 &b);   // Return vector a minus b
+        friend const LLVector4& operator%=(LLVector4 &a, const LLVector4 &b);   // Return a cross b
+        friend const LLVector4& operator*=(LLVector4 &a, F32 k);                // Return a times scaler k
+        friend const LLVector4& operator/=(LLVector4 &a, F32 k);                // Return a divided by scaler k
+
+        friend LLVector4 operator-(const LLVector4 &a);                 // Return vector -a
+};
+
+// Non-member functions
+F32 angle_between(const LLVector4 &a, const LLVector4 &b);      // Returns angle (radians) between a and b
+bool are_parallel(const LLVector4 &a, const LLVector4 &b, F32 epsilon = F_APPROXIMATELY_ZERO);      // Returns true if a and b are very close to parallel
+F32 dist_vec(const LLVector4 &a, const LLVector4 &b);           // Returns distance between a and b
+F32 dist_vec_squared(const LLVector4 &a, const LLVector4 &b);   // Returns distance squared between a and b
+LLVector3   vec4to3(const LLVector4 &vec);
+LLVector4   vec3to4(const LLVector3 &vec);
+LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u); // Returns a vector that is a linear interpolation between a and b
+
+// Constructors
+
+inline LLVector4::LLVector4(void)
+{
+    mV[VX] = 0.f;
+    mV[VY] = 0.f;
+    mV[VZ] = 0.f;
+    mV[VW] = 1.f;
+}
+
+inline LLVector4::LLVector4(F32 x, F32 y, F32 z)
+{
+    mV[VX] = x;
+    mV[VY] = y;
+    mV[VZ] = z;
+    mV[VW] = 1.f;
+}
+
+inline LLVector4::LLVector4(F32 x, F32 y, F32 z, F32 w)
+{
+    mV[VX] = x;
+    mV[VY] = y;
+    mV[VZ] = z;
+    mV[VW] = w;
+}
+
+inline LLVector4::LLVector4(const F32 *vec)
+{
+    mV[VX] = vec[VX];
+    mV[VY] = vec[VY];
+    mV[VZ] = vec[VZ];
+    mV[VW] = vec[VW];
+}
+
+inline LLVector4::LLVector4(const F64 *vec)
+{
+    mV[VX] = (F32) vec[VX];
+    mV[VY] = (F32) vec[VY];
+    mV[VZ] = (F32) vec[VZ];
+    mV[VW] = (F32) vec[VW];
+}
+
+inline LLVector4::LLVector4(const LLVector2 &vec)
+{
+    mV[VX] = vec[VX];
+    mV[VY] = vec[VY];
+    mV[VZ] = 0.f;
+    mV[VW] = 0.f;
+}
+
+inline LLVector4::LLVector4(const LLVector2 &vec, F32 z, F32 w)
+{
+    mV[VX] = vec[VX];
+    mV[VY] = vec[VY];
+    mV[VZ] = z;
+    mV[VW] = w;
+}
+
+inline LLVector4::LLVector4(const LLVector3 &vec)
+{
+    mV[VX] = vec.mV[VX];
+    mV[VY] = vec.mV[VY];
+    mV[VZ] = vec.mV[VZ];
+    mV[VW] = 1.f;
+}
+
+inline LLVector4::LLVector4(const LLVector3 &vec, F32 w)
+{
+    mV[VX] = vec.mV[VX];
+    mV[VY] = vec.mV[VY];
+    mV[VZ] = vec.mV[VZ];
+    mV[VW] = w;
+}
+
+inline LLVector4::LLVector4(const LLSD &sd)
+{
+    setValue(sd);
+}
+
+
+inline bool LLVector4::isFinite() const
+{
+    return (llfinite(mV[VX]) && llfinite(mV[VY]) && llfinite(mV[VZ]) && llfinite(mV[VW]));
+}
+
+// Clear and Assignment Functions
+
+inline void LLVector4::clear(void)
+{
+    mV[VX] = 0.f;
+    mV[VY] = 0.f;
+    mV[VZ] = 0.f;
+    mV[VW] = 1.f;
+}
+
+// deprecated
+inline void LLVector4::clearVec(void)
+{
+    mV[VX] = 0.f;
+    mV[VY] = 0.f;
+    mV[VZ] = 0.f;
+    mV[VW] = 1.f;
+}
+
+// deprecated
+inline void LLVector4::zeroVec(void)
+{
+    mV[VX] = 0.f;
+    mV[VY] = 0.f;
+    mV[VZ] = 0.f;
+    mV[VW] = 0.f;
+}
+
+inline void LLVector4::set(F32 x, F32 y, F32 z)
+{
+    mV[VX] = x;
+    mV[VY] = y;
+    mV[VZ] = z;
+    mV[VW] = 1.f;
+}
+
+inline void LLVector4::set(F32 x, F32 y, F32 z, F32 w)
+{
+    mV[VX] = x;
+    mV[VY] = y;
+    mV[VZ] = z;
+    mV[VW] = w;
+}
+
+inline void LLVector4::set(const LLVector4 &vec)
+{
+    mV[VX] = vec.mV[VX];
+    mV[VY] = vec.mV[VY];
+    mV[VZ] = vec.mV[VZ];
+    mV[VW] = vec.mV[VW];
+}
+
+inline void LLVector4::set(const LLVector3 &vec, F32 w)
+{
+    mV[VX] = vec.mV[VX];
+    mV[VY] = vec.mV[VY];
+    mV[VZ] = vec.mV[VZ];
+    mV[VW] = w;
+}
+
+inline void LLVector4::set(const F32 *vec)
+{
+    mV[VX] = vec[VX];
+    mV[VY] = vec[VY];
+    mV[VZ] = vec[VZ];
+    mV[VW] = vec[VW];
+}
+
+
+// deprecated
+inline void LLVector4::setVec(F32 x, F32 y, F32 z)
+{
+    mV[VX] = x;
+    mV[VY] = y;
+    mV[VZ] = z;
+    mV[VW] = 1.f;
+}
+
+// deprecated
+inline void LLVector4::setVec(F32 x, F32 y, F32 z, F32 w)
+{
+    mV[VX] = x;
+    mV[VY] = y;
+    mV[VZ] = z;
+    mV[VW] = w;
+}
+
+// deprecated
+inline void LLVector4::setVec(const LLVector4 &vec)
+{
+    mV[VX] = vec.mV[VX];
+    mV[VY] = vec.mV[VY];
+    mV[VZ] = vec.mV[VZ];
+    mV[VW] = vec.mV[VW];
+}
+
+// deprecated
+inline void LLVector4::setVec(const LLVector3 &vec, F32 w)
+{
+    mV[VX] = vec.mV[VX];
+    mV[VY] = vec.mV[VY];
+    mV[VZ] = vec.mV[VZ];
+    mV[VW] = w;
+}
+
+// deprecated
+inline void LLVector4::setVec(const F32 *vec)
+{
+    mV[VX] = vec[VX];
+    mV[VY] = vec[VY];
+    mV[VZ] = vec[VZ];
+    mV[VW] = vec[VW];
+}
+
+// LLVector4 Magnitude and Normalization Functions
+
+inline F32      LLVector4::length(void) const
+{
+    return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
+}
+
+inline F32      LLVector4::lengthSquared(void) const
+{
+    return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];
+}
+
+inline F32      LLVector4::magVec(void) const
+{
+    return (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
+}
+
+inline F32      LLVector4::magVecSquared(void) const
+{
+    return mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ];
+}
+
+// LLVector4 Operators
+
+inline LLVector4 operator+(const LLVector4 &a, const LLVector4 &b)
+{
+    LLVector4 c(a);
+    return c += b;
+}
+
+inline LLVector4 operator-(const LLVector4 &a, const LLVector4 &b)
+{
+    LLVector4 c(a);
+    return c -= b;
+}
+
+inline F32  operator*(const LLVector4 &a, const LLVector4 &b)
+{
+    return (a.mV[VX]*b.mV[VX] + a.mV[VY]*b.mV[VY] + a.mV[VZ]*b.mV[VZ]);
+}
+
+inline LLVector4 operator%(const LLVector4 &a, const LLVector4 &b)
+{
+    return LLVector4(a.mV[VY]*b.mV[VZ] - b.mV[VY]*a.mV[VZ], a.mV[VZ]*b.mV[VX] - b.mV[VZ]*a.mV[VX], a.mV[VX]*b.mV[VY] - b.mV[VX]*a.mV[VY]);
+}
+
+inline LLVector4 operator/(const LLVector4 &a, F32 k)
+{
+    F32 t = 1.f / k;
+    return LLVector4( a.mV[VX] * t, a.mV[VY] * t, a.mV[VZ] * t );
+}
+
+
+inline LLVector4 operator*(const LLVector4 &a, F32 k)
+{
+    return LLVector4( a.mV[VX] * k, a.mV[VY] * k, a.mV[VZ] * k );
+}
+
+inline LLVector4 operator*(F32 k, const LLVector4 &a)
+{
+    return LLVector4( a.mV[VX] * k, a.mV[VY] * k, a.mV[VZ] * k );
+}
+
+inline bool operator==(const LLVector4 &a, const LLVector4 &b)
+{
+    return (  (a.mV[VX] == b.mV[VX])
+            &&(a.mV[VY] == b.mV[VY])
+            &&(a.mV[VZ] == b.mV[VZ]));
+}
+
+inline bool operator!=(const LLVector4 &a, const LLVector4 &b)
+{
+    return (  (a.mV[VX] != b.mV[VX])
+            ||(a.mV[VY] != b.mV[VY])
+            ||(a.mV[VZ] != b.mV[VZ])
+            ||(a.mV[VW] != b.mV[VW]) );
+}
+
+inline const LLVector4& operator+=(LLVector4 &a, const LLVector4 &b)
+{
+    a.mV[VX] += b.mV[VX];
+    a.mV[VY] += b.mV[VY];
+    a.mV[VZ] += b.mV[VZ];
+    return a;
+}
+
+inline const LLVector4& operator-=(LLVector4 &a, const LLVector4 &b)
+{
+    a.mV[VX] -= b.mV[VX];
+    a.mV[VY] -= b.mV[VY];
+    a.mV[VZ] -= b.mV[VZ];
+    return a;
+}
+
+inline const LLVector4& operator%=(LLVector4 &a, const LLVector4 &b)
+{
+    LLVector4 ret(a.mV[VY]*b.mV[VZ] - b.mV[VY]*a.mV[VZ], a.mV[VZ]*b.mV[VX] - b.mV[VZ]*a.mV[VX], a.mV[VX]*b.mV[VY] - b.mV[VX]*a.mV[VY]);
+    a = ret;
+    return a;
+}
+
+inline const LLVector4& operator*=(LLVector4 &a, F32 k)
+{
+    a.mV[VX] *= k;
+    a.mV[VY] *= k;
+    a.mV[VZ] *= k;
+    return a;
+}
+
+inline const LLVector4& operator/=(LLVector4 &a, F32 k)
+{
+    F32 t = 1.f / k;
+    a.mV[VX] *= t;
+    a.mV[VY] *= t;
+    a.mV[VZ] *= t;
+    return a;
+}
+
+inline LLVector4 operator-(const LLVector4 &a)
+{
+    return LLVector4( -a.mV[VX], -a.mV[VY], -a.mV[VZ] );
+}
+
+inline F32  dist_vec(const LLVector4 &a, const LLVector4 &b)
+{
+    LLVector4 vec = a - b;
+    return (vec.length());
+}
+
+inline F32  dist_vec_squared(const LLVector4 &a, const LLVector4 &b)
+{
+    LLVector4 vec = a - b;
+    return (vec.lengthSquared());
+}
+
+inline LLVector4 lerp(const LLVector4 &a, const LLVector4 &b, F32 u)
+{
+    return LLVector4(
+        a.mV[VX] + (b.mV[VX] - a.mV[VX]) * u,
+        a.mV[VY] + (b.mV[VY] - a.mV[VY]) * u,
+        a.mV[VZ] + (b.mV[VZ] - a.mV[VZ]) * u,
+        a.mV[VW] + (b.mV[VW] - a.mV[VW]) * u);
+}
+
+inline F32      LLVector4::normalize(void)
+{
+    F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
+    F32 oomag;
+
+    if (mag > FP_MAG_THRESHOLD)
+    {
+        oomag = 1.f/mag;
+        mV[VX] *= oomag;
+        mV[VY] *= oomag;
+        mV[VZ] *= oomag;
+    }
+    else
+    {
+        mV[0] = 0.f;
+        mV[1] = 0.f;
+        mV[2] = 0.f;
+        mag = 0;
+    }
+    return (mag);
+}
+
+// deprecated
+inline F32      LLVector4::normVec(void)
+{
+    F32 mag = (F32) sqrt(mV[VX]*mV[VX] + mV[VY]*mV[VY] + mV[VZ]*mV[VZ]);
+    F32 oomag;
+
+    if (mag > FP_MAG_THRESHOLD)
+    {
+        oomag = 1.f/mag;
+        mV[VX] *= oomag;
+        mV[VY] *= oomag;
+        mV[VZ] *= oomag;
+    }
+    else
+    {
+        mV[0] = 0.f;
+        mV[1] = 0.f;
+        mV[2] = 0.f;
+        mag = 0;
+    }
+    return (mag);
+}
+
+// Because apparently some parts of the viewer use this for color info.
+inline const LLVector4 srgbVector4(const LLVector4 &a) {
+    LLVector4 srgbColor;
+
+    srgbColor.mV[0] = linearTosRGB(a.mV[0]);
+    srgbColor.mV[1] = linearTosRGB(a.mV[1]);
+    srgbColor.mV[2] = linearTosRGB(a.mV[2]);
+    srgbColor.mV[3] = a.mV[3];
+
+    return srgbColor;
+}
+
+
+#endif
+