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 name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
   of any 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 AUTHORS 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.

Under the terms of Contract
DE-AC04-94AL85000, there is a non-exclusive license for use of this work by
or on behalf of the U.S. Government. Redistribution and use in source and
binary forms, with or without modification, are permitted provided that this
Notice and any statement of authorship are reproduced on all copies.

NOTICE TO USER:

This source code is subject to NVIDIA ownership rights under U.S. and
international Copyright laws.  Users and possessors of this source code
are hereby granted a nonexclusive, royalty-free license to use this code
in individual and commercial software.

NVIDIA MAKES NO REPRESENTATION ABOUT THE SUITABILITY OF THIS SOURCE
CODE FOR ANY PURPOSE.  IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR
IMPLIED WARRANTY OF ANY KIND.  NVIDIA DISCLAIMS ALL WARRANTIES WITH
REGARD TO THIS SOURCE CODE, INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE.
IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS,  WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION,  ARISING OUT OF OR IN CONNECTION WITH THE USE
OR PERFORMANCE OF THIS SOURCE CODE.

U.S. Government End Users.   This source code is a "commercial item" as
that term is defined at  48 C.F.R. 2.101 (OCT 1995), consisting  of
"commercial computer  software"  and "commercial computer software
documentation" as such terms are  used in 48 C.F.R. 12.212 (SEPT 1995)
and is provided to the U.S. Government only as a commercial end item.
Consistent with 48 C.F.R.12.212 and 48 C.F.R. 227.7202-1 through
227.7202-4 (JUNE 1995), all U.S. Government End Users acquire the
source code with only those rights set forth herein.

Any use of this source code in individual and commercial software must
include, in the user documentation and internal comments to the code,
the above Disclaimer and U.S. Government End Users Notice.
