resizing PtrMatrix throws exception by default
resizing PtrMatrix throws exception by default

AlexanderViand/HElib,berserkr/HElib,AlexanderViand/HElib,shaih/HElib,shaih/HElib,berserkr/HElib,AlexanderViand/HElib,shaih/HElib,berserkr/HElib