一次初始化所有结构变量

Question

struct LoadsForAPDLScript
{
    double JntLCLoad;
    double JntPPLoad;
    double JntLimManLoad;
    double JntLimShockLoad;
    double JntOthLimTenLoad;
    double JntOthLimManLoad;
    double JntBPLoad;
    double JntUltManLoad;
    double JntUltShockLoad;
    double JntOthUltTenLoad;
    double JntOthUltManLoad;
};

Is there any way to initialize all the struct variable mentioned above in one line instead of initializing it one by one ?

Answer 1

If it's C++, an empty constructor will automatically initialize all member variables of simple numerical types with zero.

struct LoadsForAPDLScript {
    ...
    LoadsForAPDLScript() {}
};

With C compatibility in mind, I'm not quite sure about whether an implicit default constructor will do this as well. Perhaps somebody has the C++ standard at hand (or knows it by heart), then please extend this answer.

Answer 2

Use memset :

LoadsForADPLScript instance;
memset(&instance, 0, sizeof(LoadsForADPScript));