Small refactor Cholesky checks
Small refactor Cholesky checks

VerkhovtsovPavel/BSUIR_Labs,VerkhovtsovPavel/BSUIR_Labs,VerkhovtsovPavel/BSUIR_Labs,VerkhovtsovPavel/BSUIR_Labs,VerkhovtsovPavel/BSUIR_Labs,VerkhovtsovPavel/BSUIR_Labs,VerkhovtsovPavel/BSUIR_Labs,VerkhovtsovPavel/BSUIR_Labs,VerkhovtsovPavel/BSUIR_Labs