ck::FixedArrayIndexCompressor Class Reference

#include <ckarrayindex.h>

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Public Member Functions
CmiUInt8	compress (const CkArrayIndex &idx)
	Pack the bits of.
CkArrayIndex	decompress (CmiUInt8 id)
Static Public Member Functions
static FixedArrayIndexCompressor *	make (const CkArrayIndex &bounds)
	Factory that checks whether a bit-packing compression is possible given.
Private Member Functions
	FixedArrayIndexCompressor (char dims, char *bits)
Static Private Member Functions
static unsigned int	bitCount (int bound)
	Compute the number of bits to represent integer indices in the range [0.
Private Attributes
char	bitsPerDim [6]
char	dims

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Detailed Description

Definition at line 360 of file ckarrayindex.h.

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Constructor & Destructor Documentation

ck::FixedArrayIndexCompressor::FixedArrayIndexCompressor	(	char	dims,
		char *	bits
	)			[inline, private]

Definition at line 428 of file ckarrayindex.h.

References bitsPerDim.

Referenced by make().

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Member Function Documentation

static FixedArrayIndexCompressor* ck::FixedArrayIndexCompressor::make

(

const CkArrayIndex &

bounds

)

[inline, static]

Factory that checks whether a bit-packing compression is possible given.

• bounds

Definition at line 364 of file ckarrayindex.h.

References PUP::b, bitCount(), dims, and FixedArrayIndexCompressor().

Referenced by CkLocMgr::CkLocMgr(), and CkLocMgr::pup().

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CmiUInt8 ck::FixedArrayIndexCompressor::compress

(

const CkArrayIndex &

idx

)

[inline, virtual]

Pack the bits of.

• idx into an ObjID

Implements ck::ArrayIndexCompressor.

Definition at line 387 of file ckarrayindex.h.

References bitsPerDim, and dims.

CkArrayIndex ck::FixedArrayIndexCompressor::decompress

(

CmiUInt8

id

)

[inline, virtual]

Implements ck::ArrayIndexCompressor.

Definition at line 403 of file ckarrayindex.h.

References bitsPerDim, and dims.

static unsigned int ck::FixedArrayIndexCompressor::bitCount

(

int

bound

)

[inline, static, private]

Compute the number of bits to represent integer indices in the range [0.

.bound). Essentially, ceil(log2(bound)).

Definition at line 436 of file ckarrayindex.h.

Referenced by make().

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Field Documentation

char ck::FixedArrayIndexCompressor::bitsPerDim[6] [private]

Definition at line 431 of file ckarrayindex.h.

Referenced by compress(), decompress(), and FixedArrayIndexCompressor().

char ck::FixedArrayIndexCompressor::dims [private]

Definition at line 432 of file ckarrayindex.h.

Referenced by compress(), decompress(), and make().

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

• ck-core/ckarrayindex.h