code: def astype(
      x: JaxArray,
      dtype: jnp.dtype,
      /,
      *,
      copy: bool = True,
      out: Optional[JaxArray] = None,
  ) -> JaxArray:
      dtype = ivy.as_native_dtype(dtype)
      ivy.utils.assertions._check_jax_x64_flag(dtype)
      if x.dtype == dtype:
          return jnp.copy(x) if copy else x
      return x.astype(dtype)
  
imports: import numpy
  import jax.numpy
  from typing import Optional, Union, Sequence, List
  import ivy
  from ivy.functional.backends.jax import JaxArray
  from ivy.functional.ivy.data_type import _handle_nestable_dtype_info
label_desc: Use image node_id 1 for calling a global function with example usage: astype() and returns: x, unknown