c_cpp c防止零分裂的功能

Posted 2021-05-14

#include <stdio.h>

static inline
double _guard_div_zero(double lfs, double rfs)
{
        if(rfs == 0) return lfs / 1;
        else return lfs / rfs;
}

int main(void) {
  double a = 50;
  double b = 0;
  printf("result %f\n", _guard_div_zero(a, b));
  return 0;
}