--TEST-- Test variations in usage of sqrt() --INI-- precision = 14 --FILE-- --EXPECT-- *** Testing sqrt() : usage variations *** float(4.795831523312719) float(NAN) float(4.8425200051213) float(NAN) float(4.795831523312719) float(4.795831523312719) float(4.795831523312719) float(4.8425200051213) float(4.8425200051213) float(31.622776601683793) float(0) float(1) float(0)