text: #include <math.h>
  #include <assert.h>
  
  double round(double x)
  {
      assert(0); // Not implemented
      return 0.0;
  }
  
  float roundf(float x)
  {
      assert(0); // Not implemented
      return 0.0;
  }
  
  long double roundl(long double x)
  {
      assert(0); // Not implemented
      return 0.0;
  }
  