format  void MTH_ReverseZ (MthMatrixTbl * matrixTbl)
 Input  matrixTbl: Matrix table
 Output  None
 Function value  None
 Function  Performs matrix composition with Z-axis sign inversion for the current matrix. 

  format  void MTH_MulMatrix (MthMatrix * a, MthMatrix * b, MthMatrix * c)
 Input  a: Multiplicand matrix
:  b: multiplier matrix
 Output  c: Multiplication result matrix
 Function value  None
 Function  Matrix a and b are multiplied and output to c. 

  format  void MTH_CoordTrans (MthMatrix * matrix, MthXyz * src, MthXyz * ans)
 Input  matrix: Conversion matrix
  src: Vertex coordinates before conversion
 Output  ans: Vertex coordinates after conversion
 Function value  None
 Function  Vertex coordinates are converted using the conversion matrix. 

  format  void MTH_NormalTrans (MthMatrix * matrix, MthXyz * src, MthXyz * ans)
 Input  matrix: Conversion matrix
  src: Normal vector before conversion
 Output  ans: Normal vector after conversion
 Function value  None
 Function  Coordinates the normal vector using the transformation matrix.