Lines Matching refs:atan2
20 * 1. Reduce y to positive by atan2(y,x)=-atan2(-y,x).
27 * ATAN2((anything), NaN ) is NaN;
28 * ATAN2(NAN , (anything) ) is NaN;
29 * ATAN2(+-0, +(anything but NaN)) is +-0 ;
30 * ATAN2(+-0, -(anything but NaN)) is +-pi ;
31 * ATAN2(+-(anything but 0 and NaN), 0) is +-pi/2;
32 * ATAN2(+-(anything but INF and NaN), +INF) is +-0 ;
33 * ATAN2(+-(anything but INF and NaN), -INF) is +-pi;
34 * ATAN2(+-INF,+INF ) is +-pi/4 ;
35 * ATAN2(+-INF,-INF ) is +-3pi/4;
36 * ATAN2(+-INF, (anything but,0,NaN, and INF)) is +-pi/2;
128 __weak_reference(atan2, atan2l);
