Function decFloatIsSubnormal

extern/decNumber/decBasic.c:2448–2455

  return DFISSIGNED(df);
  }
uInt decFloatIsSubnormal(const decFloat *df) {
  if (DFISSPECIAL(df)) return 0;
  // is finite
  if (decFloatIsNormal(df)) return 0;
  // it is <Nmin, but could be zero
  if (DFISZERO(df)) return 0;
  return 1;                                  // is subnormal
  }
uInt decFloatIsZero(const decFloat *df) {
  return DFISZERO(df);
  } // decFloatIs...