workbench_algorithms.utils.compression_gadget_utils

Compression Gadget utilities.

PowerCompressionGadgetStrategy

PowerCompressionGadgetStrategy(
    block_encoding_strategy: Qubrick, data
)

Implementation of a CompressionGadgetStrategy to implement H^n.

Parameters:

Name	Type	Description	Default
`block_encoding_strategy`	`Qubrick`	Strategy to apply the block-encoding.	required
`data`	`Any`	Block-encoding's data.	required

block_encoding_strategy

Block-encoding strategy.

data

Block-encoding's data.

apply_compression_gadget_block_encoding(
    system_reg: Qubits,
    be_anc: Qubits,
    idx: int,
    ctrl: Union[Qubits, int] = 0,
)

Apply block-encoding strategy of kth block-encoding.

Parameters:

Name	Type	Description	Default
`system_reg`	`Qubits`	System register.	required
`be_anc`	`Qubits`	Block-encoding ancillas.	required
`idx`	`int`	Index of the strategy to use.	required
`ctrl`	`Union[Qubits, int]`	Control register. Default to `0`.	`0`

ListOfBlockEncodingsCompressionGadget(
    list_strategies: tuple[Qubrick] | list[Qubrick],
    data: tuple | list,
)

Implementation of a CompressionGadgetStrategy for a list of block-encodings.

Parameters:

Name	Type	Description	Default
`list_strategies`	`tuple[Qubrick] \| list[Qubrick]`	List of strategies to apply the block-encodings.	required
`data`	`tuple \| list`	List of block-encoding's data.	required

list_strategies

List of strategies.

data

List of data.

apply_compression_gadget_block_encoding(
    system_reg: Qubits,
    be_anc: Qubits,
    idx: int,
    ctrl: Union[Qubits, int] = 0,
)

Apply block-encoding strategy of kth block-encoding.

Parameters:

Name	Type	Description	Default
`system_reg`	`Qubits`	System register.	required
`be_anc`	`Qubits`	Block-encoding ancillas.	required
`idx`	`int`	Index of the strategy to used.	required
`ctrl`	`Union[Qubits, int]`	Control register. Default to `0`.	`0`