Lines Matching full:atan2

13 /* atan2(y,x)
15  *      1. Reduce y to positive by atan2(y,x)=-atan2(-y,x).
22  *      ATAN2((anything), NaN ) is NaN;
23  *      ATAN2(NAN , (anything) ) is NaN;
24  *      ATAN2(+-0, +(anything but NaN)) is +-0  ;
25  *      ATAN2(+-0, -(anything but NaN)) is +-pi ;
26  *      ATAN2(+-(anything but 0 and NaN), 0) is +-pi/2;
27  *      ATAN2(+-(anything but INF and NaN), +INF) is +-0 ;
28  *      ATAN2(+-(anything but INF and NaN), -INF) is +-pi;
29  *      ATAN2(+-INF,+INF ) is +-pi/4 ;
30  *      ATAN2(+-INF,-INF ) is +-3pi/4;
31  *      ATAN2(+-INF, (anything but,0,NaN, and INF)) is +-pi/2;
46 double atan2(double y, double x)  in atan2()  function