Class HostDnVecDouble

XM/include/Utils/memory.h:757–789

dense vector wrapper on host: double type

// dense vector wrapper on host: double type
class HostDnVecDouble {
    public:
        int size;
        double* vals;

        HostDnVecDouble(): size(0), vals(nullptr) {}
        HostDnVecDouble(const int size, bool as_byte = false): size(size), vals(nullptr) {
            this->allocate(size, as_byte);
        }

        inline void allocate(const int size, bool as_byte = false) {
            if (this->vals == nullptr) {
                if (as_byte) {
                    this->size = (size + sizeof(double) - 1) / sizeof(double);
                } else {
                    this->size = size;
                }
                this->vals = (double*) malloc(sizeof(double) * this->size);
            }
            return;
        }
        inline double get_norm() {
            return cblas_dnrm2(this->size, this->vals, 1);
        }

        ~HostDnVecDouble() {
            if (this->vals != nullptr) {
                free(this->vals);
                this->vals = nullptr;
            }
            // std::cout << "HostDnVecDouble destructor called!" << std::endl;
        }
};

// dense vector wrapper on host: float type
class HostDnVecFloat {