improved GEMM when neither operand transposed
improved GEMM when second operand transposed
Merge branch '14-blas-opt' into 15-crossprod
new version of 'matprod'
Merge branch '14-new-matprod' into 15-crossprod
update mods entry
Merge branch '14-blas-opt' into 15-crossprod
use new matprod_trans1 and matprod_trans2