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meridian.backend.RNGHandler

JAX implementation of the RNGHandler using explicit key splitting.

meridian.backend.RNGHandler(
    seed: SeedType
)

Args
`seed`	The initial seed, which must be a Python integer, a sequence of two integers, a scalar integer Tensor/array, or None.

Raises
`ValueError`	If the provided seed is invalid.

Methods

advance_handler() -> '_JaxRNGHandler'

Creates a new, independent RNGHandler for a subsequent operation.

This method is used to generate a new handler derived deterministically from the current handler's state.

Returns
A new, independent `RNGHandler` instance.

get_kernel_seed() -> Any

Provides a backend-appropriate sanitized seed/key for an MCMC kernel.

This method exposes the current state of the handler in the format expected by the backend's MCMC machinery. It does not advance the internal state.

Returns
A backend-specific seed object (e.g., a JAX PRNGKey or a TF Tensor).

get_next_seed() -> Any

Provides the appropriate seed object for the next sequential operation.

This is primarily used for prior sampling and typically advances the internal state.

Returns
A backend-specific seed object for a single random operation.