Function Asin

tensorflow/compiler/xla/client/lib/math.cc:1126–1129

asin(x) = 2 * atan(x / (1 + sqrt(1 - x^2)))

// asin(x) = 2 * atan(x / (1 + sqrt(1 - x^2)))
XlaOp Asin(XlaOp x) {
  return ScalarLike(x, 2.0) *
         Atan2(x, ScalarLike(x, 1.0) + Sqrt(ScalarLike(x, 1.0) - x * x));
}

XlaOp Atan(XlaOp x) { return Atan2(x, ScalarLike(x, 1.0)); }