Lines Matching full:inf
28 * ATAN2(+-(anything but INF and NaN), +INF) is +-0 ;
29 * ATAN2(+-(anything but INF and NaN), -INF) is +-pi;
30 * ATAN2(+-INF,+INF ) is +-pi/4 ;
31 * ATAN2(+-INF,-INF ) is +-3pi/4;
32 * ATAN2(+-INF, (anything but,0,NaN, and INF)) is +-pi/2;
85 /* when x is INF */ in atan2()
89 case 0: return pi_o_4+tiny;/* atan(+INF,+INF) */ in atan2()
90 case 1: return -pi_o_4-tiny;/* atan(-INF,+INF) */ in atan2()
91 case 2: return 3.0*pi_o_4+tiny;/*atan(+INF,-INF)*/ in atan2()
92 case 3: return -3.0*pi_o_4-tiny;/*atan(-INF,-INF)*/ in atan2()
96 case 0: return zero ; /* atan(+...,+INF) */ in atan2()
97 case 1: return -zero ; /* atan(-...,+INF) */ in atan2()
98 case 2: return pi+tiny ; /* atan(+...,-INF) */ in atan2()
99 case 3: return -pi-tiny ; /* atan(-...,-INF) */ in atan2()
103 /* when y is INF */ in atan2()