+void multiply_3x3_matrix_float3(const Matrix3x3 M, float x0, float x1, float x2, float *y0, float *y1, float *y2)
+{
+ *y0 = M[0] * x0 + M[3] * x1 + M[6] * x2;
+ *y1 = M[1] * x0 + M[4] * x1 + M[7] * x2;
+ *y2 = M[2] * x0 + M[5] * x1 + M[8] * x2;
+}
+