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Searched refs:disc (Results 1 – 3 of 3) sorted by relevance

/oneTBB/examples/parallel_for/tachyon/src/
H A Dlight.cpp84 flt b, disc, t1, t2, temp; in light_intersect() local
95 disc = b * b + l->rad * l->rad - temp; in light_intersect()
97 if (disc <= 0.0) in light_intersect()
99 disc = sqrt(disc); in light_intersect()
101 t2 = b + disc; in light_intersect()
106 t1 = b - disc; in light_intersect()
H A Dsphere.cpp93 flt b, disc, t1, t2, temp; in sphere_intersect() local
100 disc = b * b + spr->rad * spr->rad - temp; in sphere_intersect()
102 if (disc <= 0.0) in sphere_intersect()
104 disc = sqrt(disc); in sphere_intersect()
106 t2 = b + disc; in sphere_intersect()
111 t1 = b - disc; in sphere_intersect()
H A Dquadric.cpp84 flt disc; in quadric_intersect() local
114 disc = (Bq * Bq - 4.0 * Aq * Cq); in quadric_intersect()
115 if (disc > 0.0) { in quadric_intersect()
116 disc = sqrt(disc); in quadric_intersect()
117 t1 = (-Bq + disc) / (2.0 * Aq); in quadric_intersect()
118 t2 = (-Bq - disc) / (2.0 * Aq); in quadric_intersect()