[JAX] Replace uses of deprecated jax.ops.index_update(x, idx, y) APIs with their up-to-date, more succinct equivalent x.at[idx].set(y).
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…Is with their up-to-date, more succinct equivalent `x.at[idx].set(y)`. The JAX operators: jax.ops.index_update(x, jax.ops.index[idx], y) jax.ops.index_add(x, jax.ops.index[idx], y) ... have long been deprecated in lieu of their more succinct counterparts: x.at[idx].set(y) x.at[idx].add(y) ... This change updates users of the deprecated APIs to use the current APIs, in preparation for removing the deprecated forms from JAX. The main subtlety is that if `x` is not a JAX array, we must cast it to one using `jnp.asarray(x)` before using the new form, since `.at[...]` is only defined on JAX arrays. PiperOrigin-RevId: 400702210
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[JAX] Replace uses of deprecated
jax.ops.index_update(x, idx, y)APIs with their up-to-date, more succinct equivalentx.at[idx].set(y).The JAX operators:
jax.ops.index_update(x, jax.ops.index[idx], y)
jax.ops.index_add(x, jax.ops.index[idx], y)
...
have long been deprecated in lieu of their more succinct counterparts:
x.at[idx].set(y)
x.at[idx].add(y)
...
This change updates users of the deprecated APIs to use the current APIs, in preparation for removing the deprecated forms from JAX.
The main subtlety is that if
xis not a JAX array, we must cast it to one usingjnp.asarray(x)before using the new form, since.at[...]is only defined on JAX arrays.