PLearn::NistDB Class Reference

#include <NistDB.h>

Inheritance diagram for PLearn::NistDB:

[legend]Collaboration diagram for PLearn::NistDB:

[legend]List of all members.

Public Member Functions
	NistDB (bool train)
	Views the train data if train is true, test data otherwise.
virtual real	get (int i, int j) const
	returns element (i,j)
virtual void	getSubRow (int i, int j, Vec v) const
	fills v with the subrow i lying between columns j (inclusive) and j+v.length() (exclusive)
Protected Attributes
ifstream	imagef
ifstream	labelf
unsigned char	buf [28 *28]

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Constructor & Destructor Documentation

PLearn::NistDB::NistDB (  bool  train  )

Views the train data if train is true, test data otherwise. Definition at line 52 of file NistDB.cc. References imagef, labelf, and PLERROR.

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Member Function Documentation

real PLearn::NistDB::get (  int  i, int  j )  const [virtual]

returns element (i,j) Reimplemented from PLearn::VMatrix. Definition at line 76 of file NistDB.cc. References imagef, labelf, PLearn::VMatrix::length(), PLERROR, and PLearn::VMatrix::width().

void PLearn::NistDB::getSubRow (  int  i, int  j, Vec  v )  const [virtual]

fills v with the subrow i lying between columns j (inclusive) and j+v.length() (exclusive) Reimplemented from PLearn::VMatrix. Definition at line 98 of file NistDB.cc. References buf, imagef, k, labelf, PLearn::TVec< T >::length(), PLearn::VMatrix::length(), PLERROR, PLearn::Vec, and PLearn::VMatrix::width().

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Member Data Documentation

unsigned char PLearn::NistDB::buf[28 *28] [mutable, protected]

Definition at line 61 of file NistDB.h. Referenced by getSubRow().

ifstream PLearn::NistDB::imagef [mutable, protected]

Definition at line 59 of file NistDB.h. Referenced by get(), getSubRow(), and NistDB().

ifstream PLearn::NistDB::labelf [mutable, protected]

Definition at line 60 of file NistDB.h. Referenced by get(), getSubRow(), and NistDB().

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

• NistDB.h
• NistDB.cc

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