typedef GimpMatrix3[3][3]; typedef GimpMatrix4[4][4]; struct GimpVector2; struct GimpVector3; struct GimpVector4;
typedef gdouble GimpMatrix3[3][3];
typedef gdouble GimpMatrix4[4][4];
struct GimpVector2 { gdouble x, y; };
struct GimpVector3 { gdouble x, y, z; };
struct GimpVector4 { gdouble x, y, z, w; };