OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	10/28/2024 06:50:42 AM	rwxr-xr-x
📄 Iex.h	2.34 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexBaseExc.h	9.06 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexErrnoExc.h	7.37 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexExport.h	2.08 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexForward.h	5.1 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexMacros.h	5.63 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexMathExc.h	2.41 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexMathFloatExc.h	4.58 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexMathFpu.h	3.3 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexMathIeeeExc.h	2.3 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexNamespace.h	4.3 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IexThrowErrnoExc.h	3.4 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 IlmBaseConfig.h	1.64 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 IlmThread.h	4.78 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 IlmThreadExport.h	2.15 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 IlmThreadForward.h	2.08 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 IlmThreadMutex.h	4.32 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 IlmThreadNamespace.h	4.54 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 IlmThreadPool.h	5.21 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 IlmThreadSemaphore.h	3.38 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathBox.h	16.62 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathBoxAlgo.h	22.35 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathColor.h	14.87 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathColorAlgo.h	7.08 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathEuler.h	22.88 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathExc.h	2.82 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathExport.h	2.13 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathForward.h	2.68 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathFrame.h	6.6 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathFrustum.h	22.26 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathFrustumTest.h	14.77 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathFun.h	5.99 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathGL.h	4.52 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathGLU.h	2.17 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathHalfLimits.h	2.47 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathInt64.h	2.4 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathInterval.h	5.34 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathLimits.h	7.76 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathLine.h	4.74 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathLineAlgo.h	7.68 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathMath.h	7.17 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathMatrix.h	82.42 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathMatrixAlgo.h	37.97 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathNamespace.h	4.38 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathPlane.h	6.75 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathPlatform.h	3.23 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathQuat.h	20.94 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathRandom.h	9.84 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathRoots.h	5.62 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathShear.h	13.85 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathSphere.h	4.68 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathVec.h	44.17 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImathVecAlgo.h	4.64 KB	04/16/2016 12:52:00 AM	rw-r--r--
📄 ImfAcesFile.h	10.27 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfArray.h	6.79 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfAttribute.h	10.36 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfB44Compressor.h	3.67 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfBoxAttribute.h	3.1 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfCRgbaFile.h	12.5 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfChannelList.h	11.2 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfChannelListAttribute.h	2.69 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfChromaticities.h	4.45 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfChromaticitiesAttribute.h	2.74 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfCompositeDeepScanLine.h	5.38 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfCompression.h	3.25 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfCompressionAttribute.h	2.71 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfConvert.h	3.39 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepCompositing.h	5.97 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepFrameBuffer.h	8.79 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepImageState.h	3.67 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepImageStateAttribute.h	2.64 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepScanLineInputFile.h	11.01 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepScanLineInputPart.h	6.9 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepScanLineOutputFile.h	9.37 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepScanLineOutputPart.h	6.41 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepTiledInputFile.h	16.08 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepTiledInputPart.h	13.27 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepTiledOutputFile.h	18.1 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDeepTiledOutputPart.h	14.83 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfDoubleAttribute.h	2.29 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfEnvmap.h	11.29 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfEnvmapAttribute.h	2.67 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfExport.h	2.11 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfFloatAttribute.h	2.26 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfForward.h	3.48 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfFrameBuffer.h	11.18 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfFramesPerSecond.h	3.79 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfGenericInputFile.h	2.26 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfGenericOutputFile.h	2.44 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfHeader.h	19.27 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfHuf.h	2.86 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfIO.h	7.45 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfInputFile.h	8.28 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfInputPart.h	3.52 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfInt64.h	2.24 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfIntAttribute.h	2.27 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfKeyCode.h	4.9 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfKeyCodeAttribute.h	2.65 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfLineOrder.h	2.42 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfLineOrderAttribute.h	2.67 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfLut.h	5.12 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfMatrixAttribute.h	3.65 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfMisc.h	16.33 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfMultiPartInputFile.h	3.94 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfMultiPartOutputFile.h	4.29 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfMultiView.h	6.29 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfName.h	3.52 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfNamespace.h	4.46 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfOpaqueAttribute.h	3.55 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfOutputFile.h	9.66 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfOutputPart.h	3.04 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfPartHelper.h	7.66 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfPartType.h	2.38 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfPixelType.h	2.34 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfPreviewImage.h	4.65 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfPreviewImageAttribute.h	2.68 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfRational.h	3.17 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfRationalAttribute.h	2.63 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfRgba.h	3.08 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfRgbaFile.h	13.09 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfRgbaYca.h	8.21 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfStandardAttributes.h	13.26 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfStringAttribute.h	2.58 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfStringVectorAttribute.h	2.7 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTestFile.h	3.55 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfThreading.h	4.24 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTileDescription.h	3.13 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTileDescriptionAttribute.h	2.7 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTiledInputFile.h	13.82 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTiledInputPart.h	4.55 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTiledOutputFile.h	17.83 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTiledOutputPart.h	4.75 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTiledRgbaFile.h	15.89 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTimeCode.h	7 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfTimeCodeAttribute.h	2.64 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfVecAttribute.h	4.45 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfVersion.h	4.64 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfWav.h	2.73 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 ImfXdr.h	18.74 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 OpenEXRConfig.h	1.8 KB	11/16/2021 03:51:38 PM	rw-r--r--
📄 half.h	17.22 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 halfExport.h	757 bytes	04/16/2016 12:51:59 AM	rw-r--r--
📄 halfFunction.h	4.83 KB	04/16/2016 12:51:59 AM	rw-r--r--
📄 halfLimits.h	3.73 KB	04/16/2016 12:51:59 AM	rw-r--r--

Editing: ImathRandom.h

///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2002-2012, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
// 
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
// *       Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// *       Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// *       Neither the name of Industrial Light & Magic nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission. 
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////

#ifndef INCLUDED_IMATHRANDOM_H
#define INCLUDED_IMATHRANDOM_H

//-----------------------------------------------------------------------------
//
//	Generators for uniformly distributed pseudo-random numbers and
//	functions that use those generators to generate numbers with
//	non-uniform distributions:
//
//		class Rand32
//		class Rand48
//		solidSphereRand()
//		hollowSphereRand()
//		gaussRand()
//		gaussSphereRand()
//
//	Note: class Rand48() calls erand48() and nrand48(), which are not
//	available on all operating systems.  For compatibility we include
//	our own versions of erand48() and nrand48().  Our functions have
//	been reverse-engineered from the corresponding Unix/Linux man page.
//
//-----------------------------------------------------------------------------

#include "ImathNamespace.h"
#include "ImathExport.h"

#include <stdlib.h>
#include <math.h>

IMATH_INTERNAL_NAMESPACE_HEADER_ENTER

//-----------------------------------------------
// Fast random-number generator that generates
// a uniformly distributed sequence with a period
// length of 2^32.
//-----------------------------------------------

class IMATH_EXPORT Rand32
{
  public:

//------------
    // Constructor
    //------------

Rand32 (unsigned long int seed = 0);

//--------------------------------
    // Re-initialize with a given seed
    //--------------------------------

void		init (unsigned long int seed);

//----------------------------------------------------------
    // Get the next value in the sequence (range: [false, true])
    //----------------------------------------------------------

bool		nextb ();

//---------------------------------------------------------------
    // Get the next value in the sequence (range: [0 ... 0xffffffff])
    //---------------------------------------------------------------

unsigned long int	nexti ();

//------------------------------------------------------
    // Get the next value in the sequence (range: [0 ... 1[)
    //------------------------------------------------------

float		nextf ();

//-------------------------------------------------------------------
    // Get the next value in the sequence (range [rangeMin ... rangeMax[)
    //-------------------------------------------------------------------

float		nextf (float rangeMin, float rangeMax);

private:

void		next ();

unsigned long int	_state;
};

//--------------------------------------------------------
// Random-number generator based on the C Standard Library
// functions erand48(), nrand48() & company; generates a
// uniformly distributed sequence.
//--------------------------------------------------------

class Rand48
{
  public:

//------------
    // Constructor
    //------------

Rand48 (unsigned long int seed = 0);

//--------------------------------
    // Re-initialize with a given seed
    //--------------------------------

void		init (unsigned long int seed);

//----------------------------------------------------------
    // Get the next value in the sequence (range: [false, true])
    //----------------------------------------------------------

bool		nextb ();

//---------------------------------------------------------------
    // Get the next value in the sequence (range: [0 ... 0x7fffffff])
    //---------------------------------------------------------------

long int		nexti ();

//------------------------------------------------------
    // Get the next value in the sequence (range: [0 ... 1[)
    //------------------------------------------------------

double		nextf ();

double		nextf (double rangeMin, double rangeMax);

private:

unsigned short int	_state[3];
};

//------------------------------------------------------------
// Return random points uniformly distributed in a sphere with
// radius 1 around the origin (distance from origin <= 1).
//------------------------------------------------------------

template <class Vec, class Rand>
Vec		
solidSphereRand (Rand &rand);

//-------------------------------------------------------------
// Return random points uniformly distributed on the surface of
// a sphere with radius 1 around the origin.
//-------------------------------------------------------------

template <class Vec, class Rand>
Vec		
hollowSphereRand (Rand &rand);

//-----------------------------------------------
// Return random numbers with a normal (Gaussian)
// distribution with zero mean and unit variance.
//-----------------------------------------------

template <class Rand>
float
gaussRand (Rand &rand);

//----------------------------------------------------
// Return random points whose distance from the origin
// has a normal (Gaussian) distribution with zero mean
// and unit variance.
//----------------------------------------------------

template <class Vec, class Rand>
Vec
gaussSphereRand (Rand &rand);

//---------------------------------
// erand48(), nrand48() and friends
//---------------------------------

IMATH_EXPORT double     erand48 (unsigned short state[3]);
IMATH_EXPORT double     drand48 ();
IMATH_EXPORT long int   nrand48 (unsigned short state[3]);
IMATH_EXPORT long int   lrand48 ();
IMATH_EXPORT void       srand48 (long int seed);

//---------------
// Implementation
//---------------

inline void
Rand32::init (unsigned long int seed)
{
    _state = (seed * 0xa5a573a5L) ^ 0x5a5a5a5aL;
}

inline
Rand32::Rand32 (unsigned long int seed)
{
    init (seed);
}

inline void
Rand32::next ()
{
    _state = 1664525L * _state + 1013904223L;
}

inline bool
Rand32::nextb ()
{
    next ();
    // Return the 31st (most significant) bit, by and-ing with 2 ^ 31.
    return !!(_state & 2147483648UL);
}

inline unsigned long int
Rand32::nexti ()
{
    next ();
    return _state & 0xffffffff;
}

inline float
Rand32::nextf (float rangeMin, float rangeMax)
{
    float f = nextf();
    return rangeMin * (1 - f) + rangeMax * f;
}

inline void
Rand48::init (unsigned long int seed)
{
    seed = (seed * 0xa5a573a5L) ^ 0x5a5a5a5aL;

_state[0] = (unsigned short int) (seed & 0xFFFF);
    _state[1] = (unsigned short int) ((seed >> 16) & 0xFFFF);
    _state[2] = (unsigned short int) (seed & 0xFFFF);   
}

inline 
Rand48::Rand48 (unsigned long int seed)
{
    init (seed);
}

inline bool
Rand48::nextb ()
{
    return nrand48 (_state) & 1;
}

inline long int
Rand48::nexti ()
{
    return nrand48 (_state);
}

inline double
Rand48::nextf ()
{
    return erand48 (_state);
}

inline double
Rand48::nextf (double rangeMin, double rangeMax)
{
    double f = nextf();
    return rangeMin * (1 - f) + rangeMax * f;
}

template <class Vec, class Rand>
Vec
solidSphereRand (Rand &rand)
{
    Vec v;

do
    {
	for (unsigned int i = 0; i < Vec::dimensions(); i++)
	    v[i] = (typename Vec::BaseType) rand.nextf (-1, 1);
    }
    while (v.length2() > 1);

return v;
}

template <class Vec, class Rand>
Vec
hollowSphereRand (Rand &rand)
{
    Vec v;
    typename Vec::BaseType length;

do
    {
	for (unsigned int i = 0; i < Vec::dimensions(); i++)
	    v[i] = (typename Vec::BaseType) rand.nextf (-1, 1);

length = v.length();
    }
    while (length > 1 || length == 0);

return v / length;
}

template <class Rand>
float
gaussRand (Rand &rand)
{
    float x;		// Note: to avoid numerical problems with very small
    float y;		// numbers, we make these variables singe-precision
    float length2;	// floats, but later we call the double-precision log()
			// and sqrt() functions instead of logf() and sqrtf().
    do
    {
	x = float (rand.nextf (-1, 1));
	y = float (rand.nextf (-1, 1));
	length2 = x * x + y * y;
    }
    while (length2 >= 1 || length2 == 0);

return x * sqrt (-2 * log (double (length2)) / length2);
}

template <class Vec, class Rand>
Vec
gaussSphereRand (Rand &rand)
{
    return hollowSphereRand <Vec> (rand) * gaussRand (rand);
}

IMATH_INTERNAL_NAMESPACE_HEADER_EXIT

#endif // INCLUDED_IMATHRANDOM_H