updated GEBAL to use LAMCH
updated GEEQU to use LAMCH, fixed std::abs,min,max
updated GETC2 to use LAMCH
split GETRF into GETF2+GETRF and now using LAMCH
updated LAGTF to use LAMCH
update LANV2 to use LAMCH
update LAQGE to use LAMCH
update LARFG to use LAMCH
update LARTGP to use LAMCH, fixed std::max,abs etc.
updated LARTGS to use LAMCH
update LASCL to use LAMCH
updated LASV2 to use LAMCH
update RSCL to use LAMCH
split out PSTF2 from pstrf.h, using LAMCH, fixed std::sqrt, etc.