// In-place alternate
// Efficiently concatenate a translation into the matrix
static void VecMatrixTranslate_2(float *a, const float *pVec)
{
  float cTmp[16];

  cTmp[_M44(0,0)] = a[_M44(0,0)]                                                                                   ;
  cTmp[_M44(0,1)] =                         a[_M44(0,1)]                                                           ;
  cTmp[_M44(0,2)] =                                                 a[_M44(0,2)]                                   ;
  cTmp[_M44(0,3)] = a[_M44(0,0)]*  pVec[0]  + a[_M44(0,1)]*  pVec[1]  + a[_M44(0,2)]*  pVec[2]  + a[_M44(0,3)]           ;
  cTmp[_M44(1,0)] = a[_M44(1,0)]                                                                                   ;
  cTmp[_M44(1,1)] =                         a[_M44(1,1)]                                                           ;
  cTmp[_M44(1,2)] =                                                 a[_M44(1,2)]                                   ;
  cTmp[_M44(1,3)] = a[_M44(1,0)]*  pVec[0]  + a[_M44(1,1)]*  pVec[1]  + a[_M44(1,2)]*  pVec[2]  + a[_M44(1,3)]           ;
  cTmp[_M44(2,0)] = a[_M44(2,0)]                                                                                   ;
  cTmp[_M44(2,1)] =                         a[_M44(2,1)]                                                           ;
  cTmp[_M44(2,2)] =                                                 a[_M44(2,2)]                                   ;
  cTmp[_M44(2,3)] = a[_M44(2,0)]*  pVec[0]  + a[_M44(2,1)]*  pVec[1]  + a[_M44(2,2)]*  pVec[2]  + a[_M44(2,3)]           ;
  cTmp[_M44(3,0)] = a[_M44(3,0)]                                                                                   ;
  cTmp[_M44(3,1)] =                       + a[_M44(3,1)]                                                           ;
  cTmp[_M44(3,2)] =                                                 a[_M44(3,2)]                                   ;
  cTmp[_M44(3,3)] = a[_M44(3,0)]*  pVec[0]  + a[_M44(3,1)]*  pVec[1]  + a[_M44(3,2)]*  pVec[2]  + a[_M44(3,3)]           ;

  memcpy(a, cTmp, sizeof(cTmp));
}