Lines Matching defs:pi
43 * pi 1 1
447 pi = 3.1415926535897931159979634685,
477 } else { /* ATAN2(+-finite, -inf) is +-pi */
479 return (copysign(pi, y));
482 /* ATAN2(+-inf, finite) is +-pi/2 */
485 } else if (hx > 0) { /* ATAN2(+-INF,+INF) = +-pi/4 */
488 } else { /* ATAN2(+-INF,-INF) = +-3pi/4 */
496 else { /* ATAN2(+-0, -(0 <= x <= inf)) is +-pi */
498 return ((hy >= 0)? pi : -pi);
500 } else { /* ATAN2(+-(anything but 0 and NaN), 0) is +-pi/2 */
510 return ((hy >= 0)? pi : -pi);
542 t1 = pi - w1;
543 t2 = pi - t1;