Function Atan

tensorflow/compiler/xla/client/lib/math.cc:1131–1131

}

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

XlaOp Tan(XlaOp x) {
  return DoWithUpcastToF32(x, {F16}, [](XlaOp x) { return Sin(x) / Cos(x); });