added tests of isSymmetric() and nonsymmetricEigensystem()
added tests of isSymmetric() and nonsymmetricEigensystem()

DaveRichmond-/vigra,hmeine/vigra,stuarteberg/vigra,hmeine/vigra,dagophil/vigra,hmeine/vigra,xiwei-zhang/vigra,hmeine/vigra,psteinb/vigra,DaveRichmond-/vigra,mmuellner/vigra,hmeine/vigra,stuarteberg/vigra,kod3r/vigra,capturePointer/vigra,xiwei-zhang/vigra,cha007/vigra,kod3r/vigra,martinsch/vigra,kod3r/vigra,ThomasWalter/vigra,capturePointer/vigra,dagophil/vigra,martinsch/vigra,martinsch/vigra,capturePointer/vigra,stuarteberg/vigra,DaveRichmond-/vigra,mmuellner/vigra,dstoe/vigra,xiwei-zhang/vigra,cbecker/vigra,xiwei-zhang/vigra,ThomasWalter/vigra,martinsch/vigra,cbecker/vigra,funkey/vigra,ThomasWalter/vigra,dstoe/vigra,funkey/vigra,dstoe/vigra,timoMa/vigra,timoMa/vigra,dstoe/vigra,funkey/vigra,capturePointer/vigra,cbecker/vigra,timoMa/vigra,psteinb/vigra,dagophil/vigra,funkey/vigra,DaveRichmond-/vigra,capturePointer/vigra,dagophil/vigra,stuarteberg/vigra,cbecker/vigra,dstoe/vigra,mmuellner/vigra,martinsch/vigra,DaveRichmond-/vigra,capturePointer/vigra,funkey/vigra,psteinb/vigra,funkey/vigra,dstoe/vigra,cha007/vigra,xiwei-zhang/vigra,ThomasWalter/vigra,dagophil/vigra,stuarteberg/vigra,psteinb/vigra,cbecker/vigra,martinsch/vigra,timoMa/vigra,DaveRichmond-/vigra,cha007/vigra,psteinb/vigra,dstoe/vigra,mmuellner/vigra,kod3r/vigra,dagophil/vigra,funkey/vigra,stuarteberg/vigra,xiwei-zhang/vigra,hmeine/vigra,timoMa/vigra,cha007/vigra,ThomasWalter/vigra,ThomasWalter/vigra,capturePointer/vigra,cha007/vigra,mmuellner/vigra,cha007/vigra,kod3r/vigra,timoMa/vigra,kod3r/vigra,psteinb/vigra,kod3r/vigra,mmuellner/vigra,dagophil/vigra,hmeine/vigra,cbecker/vigra,xiwei-zhang/vigra,mmuellner/vigra,psteinb/vigra,timoMa/vigra,stuarteberg/vigra,cha007/vigra,DaveRichmond-/vigra,ThomasWalter/vigra