Lines Matching defs:beta
54 // y_acc = - cos(gamma) * sin(beta)
55 // z_acc = cos(beta) * cos(gamma)
64 double beta = kRad2deg * atan2(-axis_value[1], axis_value[2]);
68 // this point, beta is [-180, 180] and gamma is [-90, 90], but the spec has
70 if (beta == 180.0)
71 beta = -180; // -180 == 180 (upside-down)
76 DCHECK_GE(beta, -180.0);
77 DCHECK_LT(beta, 180.0);
82 buffer->data.beta = beta;