Lines Matching refs:x_t

56             float x_t = -1;
58                 x_t = dot(p, p) / p.x;
60                 x_t = length(p) - p.x * invR1;
68                 // is really critical, maybe we should just compute the area where temp and x_t are
72                         x_t = -sqrt(temp) - p.x * invR1;
74                         x_t = sqrt(temp) - p.x * invR1;
79             // The final calculation of t from x_t has lots of static optimizations but only do them
80             // when x_t is positive (which can be assumed true if isWellBehaved is true)
84                 if (x_t <= 0.0) {
90                     t = x_t;
92                     t = x_t + fx;
96                     t = -x_t;
98                     t = -x_t + fx;