Added Upcast matrix generation
Added Upcast matrix generation

wlevine/nmatrix,janusnic/nmatrix,wlevine/nmatrix,johnmarinelli/nmatrix,thisMagpie/nmatrix,johnmarinelli/nmatrix,agisga/nmatrix,thisMagpie/nmatrix,thisMagpie/nmatrix,agisga/nmatrix,agisga/nmatrix,wlevine/nmatrix,janusnic/nmatrix,wlevine/nmatrix,johnmarinelli/nmatrix,janusnic/nmatrix,janusnic/nmatrix,thisMagpie/nmatrix,johnmarinelli/nmatrix,agisga/nmatrix