public void BasicSqrt() { string AsString; using mpf_t a = new mpf_t("22250983250345029834502983.5740293845720"); AsString = a.ToString(); Assert.AreEqual("2.22509832503450298345E+25", AsString); using mpf_t b = a.Sqrt(); AsString = b.ToString(); Assert.AreEqual("4.71709478920500704353E+12", AsString); }