F07WXF Example Program Data
   4     'L'     'N'     'N'  : n, uplo, transr, diag
 ( 4.15,-0.80)  (-0.02,-0.46)
 ( 4.78, 4.56)  ( 0.33, 0.26)
 ( 2.00,-0.30)  (-4.11, 1.25)
 ( 2.89,-1.34)  ( 2.36,-4.25)
 (-1.89, 1.15)  ( 0.04,-3.69) : AR