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+///////////////////////////////////////////////////////////////////////////
+//
+// Copyright (c) 2002, 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_IMATHEXC_H
+#define INCLUDED_IMATHEXC_H
+
+
+//-----------------------------------------------
+//
+//	Imath library-specific exceptions
+//
+//-----------------------------------------------
+
+#include "IexBaseExc.h"
+
+namespace Imath {
+
+
+DEFINE_EXC (NullVecExc, ::Iex::MathExc)		// Attempt to normalize
+						// null vector
+
+DEFINE_EXC (NullQuatExc, ::Iex::MathExc) 	// Attempt to normalize
+						// null quaternion
+
+DEFINE_EXC (SingMatrixExc, ::Iex::MathExc)	// Attempt to invert
+						// singular matrix
+
+DEFINE_EXC (ZeroScaleExc, ::Iex::MathExc)	// Attempt to remove zero
+						// scaling from matrix
+
+DEFINE_EXC (IntVecNormalizeExc, ::Iex::MathExc)	// Attempt to normalize
+						// a vector of whose elements
+                                                // are an integer type
+
+} // namespace Imath
+
+#endif