--TEST-- Test variations in usage of sqrt() --INI-- precision = 14 --FILE-- ===Done=== --EXPECTF-- *** Testing sqrt() : usage variations *** float(4.7958315233127) float(NAN) float(4.8425200051213) float(NAN) float(4.7958315233127) float(4.7958315233127) float(4.7958315233127) float(4.8425200051213) float(4.8425200051213) Warning: sqrt() expects parameter 1 to be double, string given in %s on line %d NULL float(31.622776601684) Notice: A non well formed numeric value encountered in %s on line %d float(31.622776601684) float(0) float(1) float(0) ===Done===