#include <Batching.h>

Public Member Functions
	BatchRule (size_t batchSize, const std::vector< size_t > &sizes, size_t lastPadding=0)

size_t	getBatchSize () const

size_t	getLastPadding () const

size_t	getSize (size_t i) const

const std::vector< size_t > &	getSizes () const

size_t	nSizes () const

	~BatchRule ()=default

Private Attributes
size_t	batchSize_

size_t	lastPadding_

std::vector< size_t >	sizes_

Detailed Description

Definition at line 19 of file Batching.h.

Constructor & Destructor Documentation

◆ BatchRule()

tfaot::BatchRule::BatchRule	(	size_t	batchSize,
		const std::vector< size_t > &	sizes,
		size_t	lastPadding = `0`
	)

explicit

Definition at line 16 of file Batching.cc.

References HLT_FULL_cff::batchSize, Exception, alignCSCRings::s, and sizes_.

       : batchSize_(batchSize), sizes_(sizes), lastPadding_(lastPadding) {
     // sizes must not be empty
     if (sizes.size() == 0) {
       throw cms::Exception("EmptySizes") << "no batch sizes provided for stitching";
     }
 
     // the padding must be smaller than the last size
     size_t lastSize = sizes[sizes.size() - 1];
     if (lastPadding >= lastSize) {
       throw cms::Exception("WrongPadding")
           << "padding " << lastPadding << " must be smaller than last size " << lastSize;
     }
 
     // compute the covered batch size
     size_t sizeSum = 0;
     for (const size_t& s : sizes_) {
       sizeSum += s;
     }
     if (lastPadding > sizeSum) {
       throw cms::Exception("WrongPadding")
           << "padding " << lastPadding << " must not be larger than sum of sizes " << sizeSum;
     }
     sizeSum -= lastPadding;
 
     // compare to given batch size
     if (batchSize != sizeSum) {
       throw cms::Exception("WrongBatchSize")
           << "batch size " << batchSize << " does not match sum of sizes - padding " << sizeSum;
     }
   }