Function Sign

tensorflow/compiler/xla/client/xla_builder.cc:3439–3441

  return operand.builder()->UnaryOp(HloOpcode::kLog1p, operand);
}
XlaOp Sign(const XlaOp operand) {
  return operand.builder()->UnaryOp(HloOpcode::kSign, operand);
}
XlaOp Clz(const XlaOp operand) {
  return operand.builder()->UnaryOp(HloOpcode::kClz, operand);
}