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lib/mayasdk7/include/maya/MMatrix.h

@@ -0,0 +1,184 @@
+#ifndef _MMatrix
+#define _MMatrix
+//
+//-
+// ==========================================================================
+// Copyright (C) 1995 - 2005 Alias Systems Corp. and/or its licensors.  All 
+// rights reserved.
+// 
+// The coded instructions, statements, computer programs, and/or related 
+// material (collectively the "Data") in these files contain unpublished 
+// information proprietary to Alias Systems Corp. ("Alias") and/or its 
+// licensors, which is protected by Canadian and US federal copyright law and 
+// by international treaties.
+// 
+// The Data may not be disclosed or distributed to third parties or be copied 
+// or duplicated, in whole or in part, without the prior written consent of 
+// Alias.
+// 
+// THE DATA IS PROVIDED "AS IS". ALIAS HEREBY DISCLAIMS ALL WARRANTIES RELATING 
+// TO THE DATA, INCLUDING, WITHOUT LIMITATION, ANY AND ALL EXPRESS OR IMPLIED 
+// WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND/OR FITNESS FOR A 
+// PARTICULAR PURPOSE. IN NO EVENT SHALL ALIAS BE LIABLE FOR ANY DAMAGES 
+// WHATSOEVER, WHETHER DIRECT, INDIRECT, SPECIAL, OR PUNITIVE, WHETHER IN AN 
+// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, OR IN EQUITY, 
+// ARISING OUT OF ACCESS TO, USE OF, OR RELIANCE UPON THE DATA.
+// ==========================================================================
+//+
+//
+// CLASS:    MMatrix
+//
+// *****************************************************************************
+//
+// CLASS DESCRIPTION (MMatrix)
+//
+//	This class provides access to Maya's internal matrix math library allowing
+//	matrices to be handled easily, and in a manner compatible with internal
+//	Maya data structures.
+//
+// *****************************************************************************
+
+#if defined __cplusplus
+
+// *****************************************************************************
+
+// INCLUDED HEADER FILES
+
+
+
+#include <maya/MStatus.h>
+#include <maya/MTypes.h>
+
+// *****************************************************************************
+
+// DECLARATIONS
+
+#define MMatrix_kTol	1.0e-10
+
+// *****************************************************************************
+
+// CLASS DECLARATION (MMatrix)
+
+/// A matrix math class for 4x4 matrices of doubles
+/**
+  This class provides access to Maya's matrix math library
+*/
+#ifdef _WIN32
+#pragma warning(disable: 4522)
+#endif // _WIN32
+
+class OPENMAYA_EXPORT MMatrix  
+{
+
+public:
+	///
+					MMatrix();
+	///
+					MMatrix( const MMatrix & src );
+	///
+					MMatrix( const double m[4][4] );
+	///
+					MMatrix( const float m[4][4] );
+	///
+					~MMatrix();
+	///
+ 	MMatrix&		operator = (const MMatrix &);
+	///
+	double&			operator()(unsigned row, unsigned col );
+	///
+	double			operator()(unsigned row, unsigned col ) const;
+	///
+	double* 		operator[]( unsigned row );
+	///
+	const double* 	operator[]( unsigned row ) const;
+	///
+	MStatus			get( double dest[4][4] ) const;
+	///
+	MStatus			get( float dest[4][4] ) const;
+	///
+ 	MMatrix     	transpose() const;
+	///
+ 	MMatrix &   	setToIdentity();
+	///
+ 	MMatrix &   	setToProduct( const MMatrix & left,
+				 		const MMatrix & right );
+	///
+ 	MMatrix &   	operator+=( const MMatrix & right );
+	///
+ 	MMatrix  		operator+ ( const MMatrix & right ) const;
+	///
+ 	MMatrix &   	operator-=( const MMatrix & right );
+	///
+ 	MMatrix  		operator- ( const MMatrix & right ) const;
+	///
+ 	MMatrix &   	operator*=( const MMatrix & right );
+	///
+ 	MMatrix     	operator* ( const MMatrix & right ) const;
+	///
+ 	MMatrix &   	operator*=( double );
+	///
+ 	MMatrix     	operator* ( double ) const;
+	///
+ 	friend OPENMAYA_EXPORT MMatrix operator* ( double, const MMatrix & right );
+	///
+ 	bool          	operator==( const MMatrix & other ) const;
+	///
+ 	bool           	operator!=( const MMatrix & other ) const;
+	///
+ 	MMatrix     	inverse() const;
+	///
+ 	MMatrix     	adjoint() const;
+	///
+ 	MMatrix     	homogenize() const;
+	///
+ 	double       	det4x4() const;
+	///
+ 	double         	det3x3() const;
+	///
+ 	bool           	isEquivalent( const MMatrix & other,
+				 		double tolerance = MMatrix_kTol ) const;
+	///
+	bool			isSingular() const;
+
+	///
+	friend OPENMAYA_EXPORT IOS_REF(ostream)&	operator<<(IOS_REF(ostream)& os, const MMatrix& m);
+
+	/// the matrix data
+ 	double matrix[4][4];
+	///
+	static const MMatrix identity;
+
+protected:
+// No protected members
+
+private:
+	static const char* className();
+};
+
+#ifdef _WIN32
+#pragma warning(default: 4522)
+#endif // _WIN32
+
+inline double& MMatrix::operator()(unsigned row, unsigned col )
+{
+	return matrix[row][col];
+}
+
+inline double MMatrix::operator()(unsigned row, unsigned col ) const
+{
+	return matrix[row][col];
+}
+
+inline double* MMatrix::operator[]( unsigned row )
+{
+	return matrix[row];
+}
+
+inline const double* MMatrix::operator[]( unsigned row ) const
+{
+	return matrix[row];
+}
+
+// *****************************************************************************
+#endif /* __cplusplus */
+#endif /* _MMatrix */