--TEST-- Test variations in usage of tan() --INI-- precision = 10 --FILE-- --EXPECTF-- float(1.588153083) float(-1.588153083) float(8.895619796) float(-8.895619796) float(1.588153083) float(1.588153083) float(1.588153083) float(8.895619796) float(8.895619796) Warning: tan() expects parameter 1 to be double, string given in %s on line %d NULL float(1.470324156) Notice: A non well formed numeric value encountered in %s on line %d float(1.470324156) float(0) float(1.557407725) float(0)