cub::BlockScanRunningPrefixOp< T, ScanOpT > Struct Template Reference

< Wrapped scan operator type More...

Detailed Description

template<typename T, typename ScanOpT>
struct cub::BlockScanRunningPrefixOp< T, ScanOpT >

< Wrapped scan operator type

Stateful callback operator type for supplying BlockScan prefixes. Maintains a running prefix that can be applied to consecutive BlockScan operations.

Definition at line 65 of file single_pass_scan_operators.cuh.

Public Member Functions
__device__ __forceinline__	BlockScanRunningPrefixOp (ScanOpT op)
	Constructor.
__device__ __forceinline__	BlockScanRunningPrefixOp (T starting_prefix, ScanOpT op)
	Constructor.
__device__ __forceinline__ T	operator() (const T &block_aggregate)

Data Fields
ScanOpT	op
	Wrapped scan operator.
T	running_total
	Running block-wide prefix.

Constructor & Destructor Documentation

BlockScanRunningPrefixOp() [1/2]

template<typename T , typename ScanOpT >

__device__ __forceinline__ cub::BlockScanRunningPrefixOp< T, ScanOpT >::BlockScanRunningPrefixOp ( ScanOpT  op )

inline

Constructor.

Definition at line 71 of file single_pass_scan_operators.cuh.

BlockScanRunningPrefixOp() [2/2]

template<typename T , typename ScanOpT >

__device__ __forceinline__ cub::BlockScanRunningPrefixOp< T, ScanOpT >::BlockScanRunningPrefixOp ( T  starting_prefix, ScanOpT  op  )

inline

Constructor.

Definition at line 77 of file single_pass_scan_operators.cuh.

Member Function Documentation

operator()()

template<typename T , typename ScanOpT >

__device__ __forceinline__ T cub::BlockScanRunningPrefixOp< T, ScanOpT >::operator() ( const T &  block_aggregate )

inline

Prefix callback operator. Returns the block-wide running_total in thread-0.

Parameters

block_aggregate

The aggregate sum of the BlockScan inputs

Definition at line 88 of file single_pass_scan_operators.cuh.

Field Documentation

op

template<typename T , typename ScanOpT >

ScanOpT cub::BlockScanRunningPrefixOp< T, ScanOpT >::op

Wrapped scan operator.

Definition at line 67 of file single_pass_scan_operators.cuh.

running_total

template<typename T , typename ScanOpT >

T cub::BlockScanRunningPrefixOp< T, ScanOpT >::running_total

Running block-wide prefix.

Definition at line 68 of file single_pass_scan_operators.cuh.

---

The documentation for this struct was generated from the following file:

• openfpm_data/src/util/cuda/cub_old/agent/single_pass_scan_operators.cuh