assimp/include/aiMatrix3x3.h

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/** @file Definition of a 3x3 matrix, including operators when compiling in C++ */
#ifndef AI_MATRIX3x3_H_INC
#define AI_MATRIX3x3_H_INC
#ifdef __cplusplus
extern "C" {
#endif
struct aiMatrix4x4;
// ---------------------------------------------------------------------------
/** Represents a column-major 3x3 matrix
*/
// ---------------------------------------------------------------------------
struct aiMatrix3x3
{
#ifdef __cplusplus
aiMatrix3x3 () :
a1(1.0f), a2(0.0f), a3(0.0f),
b1(0.0f), b2(1.0f), b3(0.0f),
c1(0.0f), c2(0.0f), c3(1.0f) {}
aiMatrix3x3 ( float _a1, float _a2, float _a3,
float _b1, float _b2, float _b3,
float _c1, float _c2, float _c3) :
a1(_a1), a2(_a2), a3(_a3),
b1(_b1), b2(_b2), b3(_b3),
c1(_c1), c2(_c2), c3(_c3)
{}
/** Construction from a 4x4 matrix. The remaining parts of the matrix are ignored. */
explicit aiMatrix3x3( const aiMatrix4x4& pMatrix);
aiMatrix3x3& operator *= (const aiMatrix3x3& m);
aiMatrix3x3 operator* (const aiMatrix3x3& m) const;
aiMatrix3x3& Transpose();
#endif // __cplusplus
float a1, a2, a3;
float b1, b2, b3;
float c1, c2, c3;
};
#ifdef __cplusplus
} // end of extern C
#endif
#endif // AI_MATRIX3x3_H_INC