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PLearn 0.1
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#include <ShuffleColumnsVMatrix.h>


Public Member Functions | |
| ShuffleColumnsVMatrix () | |
| Default constructor. | |
| virtual void | build () |
| Simply calls inherited::build() then build_(). | |
| virtual void | makeDeepCopyFromShallowCopy (CopiesMap &copies) |
| Transforms a shallow copy into a deep copy. | |
| virtual string | classname () const |
| virtual OptionList & | getOptionList () const |
| virtual OptionMap & | getOptionMap () const |
| virtual RemoteMethodMap & | getRemoteMethodMap () const |
| virtual ShuffleColumnsVMatrix * | deepCopy (CopiesMap &copies) const |
Static Public Member Functions | |
| static string | _classname_ () |
| Declares name and deepCopy methods. | |
| static OptionList & | _getOptionList_ () |
| static RemoteMethodMap & | _getRemoteMethodMap_ () |
| static Object * | _new_instance_for_typemap_ () |
| static bool | _isa_ (const Object *o) |
| static void | _static_initialize_ () |
| static const PPath & | declaringFile () |
Public Attributes | |
| bool | only_shuffle_inputs |
| int32_t | seed |
Static Public Attributes | |
| static StaticInitializer | _static_initializer_ |
Static Protected Member Functions | |
| static void | declareOptions (OptionList &ol) |
| Declares this class' options. | |
Private Types | |
| typedef SelectColumnsVMatrix | inherited |
Private Member Functions | |
| void | build_ () |
| This does the actual building. | |
Definition at line 52 of file ShuffleColumnsVMatrix.h.
typedef SelectColumnsVMatrix PLearn::ShuffleColumnsVMatrix::inherited [private] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 57 of file ShuffleColumnsVMatrix.h.
| PLearn::ShuffleColumnsVMatrix::ShuffleColumnsVMatrix | ( | ) |
Default constructor.
Definition at line 53 of file ShuffleColumnsVMatrix.cc.
: only_shuffle_inputs(true), seed(0) {}
| string PLearn::ShuffleColumnsVMatrix::_classname_ | ( | ) | [static] |
Declares name and deepCopy methods.
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| OptionList & PLearn::ShuffleColumnsVMatrix::_getOptionList_ | ( | ) | [static] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| RemoteMethodMap & PLearn::ShuffleColumnsVMatrix::_getRemoteMethodMap_ | ( | ) | [static] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| Object * PLearn::ShuffleColumnsVMatrix::_new_instance_for_typemap_ | ( | ) | [static] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| StaticInitializer ShuffleColumnsVMatrix::_static_initializer_ & PLearn::ShuffleColumnsVMatrix::_static_initialize_ | ( | ) | [static] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| void PLearn::ShuffleColumnsVMatrix::build | ( | ) | [virtual] |
Simply calls inherited::build() then build_().
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 87 of file ShuffleColumnsVMatrix.cc.
References PLearn::SelectColumnsVMatrix::build(), and build_().
{
// ### Nothing to add here, simply calls build_
inherited::build();
build_();
}

| void PLearn::ShuffleColumnsVMatrix::build_ | ( | ) | [private] |
This does the actual building.
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 97 of file ShuffleColumnsVMatrix.cc.
References PLearn::TVec< T >::append(), PLearn::SelectColumnsVMatrix::build(), i, PLearn::SelectColumnsVMatrix::indices, PLearn::manual_seed(), only_shuffle_inputs, PLERROR, seed, PLearn::shuffleElements(), PLearn::SourceVMatrix::source, PLearn::VMatrix::updateMtime(), and PLearn::VMat::width().
Referenced by build().
{
if (source) {
updateMtime(source);
int n_shuffle = source->width();
if (only_shuffle_inputs) {
if (source->inputsize() < 0)
PLERROR("In ShuffleColumnsVMatrix::build_ - Cannot find out the source inputsize");
n_shuffle = source->inputsize();
}
indices = TVec<int>(0, n_shuffle - 1, 1);
if (seed == -1)
PLearn::seed();
else if (seed > 0)
manual_seed(seed);
else if (seed != 0)
PLERROR("In ShuffleColumnsVMatrix::build_ - The seed must be either -1 or >= 0");
shuffleElements(indices);
for (int i = 0; i < source->width() - n_shuffle; i++) {
indices.append(i + n_shuffle);
}
}
inherited::build();
}


| string PLearn::ShuffleColumnsVMatrix::classname | ( | ) | const [virtual] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| void PLearn::ShuffleColumnsVMatrix::declareOptions | ( | OptionList & | ol | ) | [static, protected] |
Declares this class' options.
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 66 of file ShuffleColumnsVMatrix.cc.
References PLearn::OptionBase::buildoption, PLearn::declareOption(), PLearn::SelectColumnsVMatrix::declareOptions(), only_shuffle_inputs, and seed.
{
// ### Declare all of this object's options here
// ### For the "flags" of each option, you should typically specify
// ### one of OptionBase::buildoption, OptionBase::learntoption or
// ### OptionBase::tuningoption. Another possible flag to be combined with
// ### is OptionBase::nosave
declareOption(ol, "only_shuffle_inputs", &ShuffleColumnsVMatrix::only_shuffle_inputs, OptionBase::buildoption,
"Whether we should only shuffle the input part, or also shuffle the target and weight parts.");
declareOption(ol, "seed", &ShuffleColumnsVMatrix::seed, OptionBase::buildoption,
"The random generator seed (-1 = initialized from clock, 0 = no initialization).");
// Now call the parent class' declareOptions
inherited::declareOptions(ol);
}

| static const PPath& PLearn::ShuffleColumnsVMatrix::declaringFile | ( | ) | [inline, static] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 106 of file ShuffleColumnsVMatrix.h.
| ShuffleColumnsVMatrix * PLearn::ShuffleColumnsVMatrix::deepCopy | ( | CopiesMap & | copies | ) | const [virtual] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| OptionList & PLearn::ShuffleColumnsVMatrix::getOptionList | ( | ) | const [virtual] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| OptionMap & PLearn::ShuffleColumnsVMatrix::getOptionMap | ( | ) | const [virtual] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| RemoteMethodMap & PLearn::ShuffleColumnsVMatrix::getRemoteMethodMap | ( | ) | const [virtual] |
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 61 of file ShuffleColumnsVMatrix.cc.
| void PLearn::ShuffleColumnsVMatrix::makeDeepCopyFromShallowCopy | ( | CopiesMap & | copies | ) | [virtual] |
Transforms a shallow copy into a deep copy.
Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 125 of file ShuffleColumnsVMatrix.cc.
References PLearn::SelectColumnsVMatrix::makeDeepCopyFromShallowCopy(), and PLERROR.
{
inherited::makeDeepCopyFromShallowCopy(copies);
// ### Call deepCopyField on all "pointer-like" fields
// ### that you wish to be deepCopied rather than
// ### shallow-copied.
// ### ex:
// deepCopyField(trainvec, copies);
// ### Remove this line when you have fully implemented this method.
PLERROR("ShuffleColumnsVMatrix::makeDeepCopyFromShallowCopy not fully (correctly) implemented yet!");
}

Reimplemented from PLearn::SelectColumnsVMatrix.
Definition at line 106 of file ShuffleColumnsVMatrix.h.
Definition at line 71 of file ShuffleColumnsVMatrix.h.
Referenced by build_(), and declareOptions().
Definition at line 72 of file ShuffleColumnsVMatrix.h.
Referenced by build_(), and declareOptions().
1.7.4