PLearn 0.1
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#include <LiftOutputVariable.h>
Public Member Functions | |
LiftOutputVariable () | |
Default constructor for persistence. | |
LiftOutputVariable (Variable *netout, Variable *target) | |
virtual string | classname () const |
virtual OptionList & | getOptionList () const |
virtual OptionMap & | getOptionMap () const |
virtual RemoteMethodMap & | getRemoteMethodMap () const |
virtual LiftOutputVariable * | deepCopy (CopiesMap &copies) const |
virtual void | build () |
Post-constructor. | |
virtual void | recomputeSize (int &l, int &w) const |
Recomputes the length l and width w that this variable should have, according to its parent variables. | |
virtual void | fprop () |
compute output given input | |
virtual void | bprop () |
Static Public Member Functions | |
static string | _classname_ () |
LiftOutputVariable. | |
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 () |
Static Public Attributes | |
static StaticInitializer | _static_initializer_ |
Protected Member Functions | |
void | build_ () |
This does the actual building. | |
Private Types | |
typedef BinaryVariable | inherited |
Definition at line 48 of file LiftOutputVariable.h.
typedef BinaryVariable PLearn::LiftOutputVariable::inherited [private] |
Reimplemented from PLearn::BinaryVariable.
Definition at line 50 of file LiftOutputVariable.h.
PLearn::LiftOutputVariable::LiftOutputVariable | ( | ) | [inline] |
Definition at line 58 of file LiftOutputVariable.cc.
References build_().
string PLearn::LiftOutputVariable::_classname_ | ( | ) | [static] |
Reimplemented from PLearn::BinaryVariable.
Definition at line 53 of file LiftOutputVariable.cc.
OptionList & PLearn::LiftOutputVariable::_getOptionList_ | ( | ) | [static] |
Reimplemented from PLearn::BinaryVariable.
Definition at line 53 of file LiftOutputVariable.cc.
RemoteMethodMap & PLearn::LiftOutputVariable::_getRemoteMethodMap_ | ( | ) | [static] |
Reimplemented from PLearn::BinaryVariable.
Definition at line 53 of file LiftOutputVariable.cc.
Reimplemented from PLearn::BinaryVariable.
Definition at line 53 of file LiftOutputVariable.cc.
Object * PLearn::LiftOutputVariable::_new_instance_for_typemap_ | ( | ) | [static] |
Reimplemented from PLearn::Object.
Definition at line 53 of file LiftOutputVariable.cc.
StaticInitializer LiftOutputVariable::_static_initializer_ & PLearn::LiftOutputVariable::_static_initialize_ | ( | ) | [static] |
Reimplemented from PLearn::BinaryVariable.
Definition at line 53 of file LiftOutputVariable.cc.
void PLearn::LiftOutputVariable::bprop | ( | ) | [virtual] |
Implements PLearn::Variable.
Definition at line 121 of file LiftOutputVariable.cc.
References PLearn::Variable::gradientdata, i, and PLearn::BinaryVariable::input1.
{ // TODO Not really sure what to do here, bprop shouldn't be used anyway. // Actually it IS called, should investigate why and what it does. // PLWARNING("In LiftOutputVariable::bprop - You should not backprop on a LiftOutputVariable"); real gr = *gradientdata; for (int i=0; i<input1->size(); i++) { input1->gradientdata[i] += gr; } }
void PLearn::LiftOutputVariable::build | ( | ) | [virtual] |
Post-constructor.
The normal implementation should call simply inherited::build(), then this class's build_(). This method should be callable again at later times, after modifying some option fields to change the "architecture" of the object.
Reimplemented from PLearn::BinaryVariable.
Definition at line 65 of file LiftOutputVariable.cc.
References PLearn::BinaryVariable::build(), and build_().
{ inherited::build(); build_(); }
void PLearn::LiftOutputVariable::build_ | ( | ) | [protected] |
This does the actual building.
Reimplemented from PLearn::BinaryVariable.
Definition at line 72 of file LiftOutputVariable.cc.
References PLearn::BinaryVariable::input1, PLearn::BinaryVariable::input2, and PLERROR.
Referenced by build(), and LiftOutputVariable().
{ if (input1 && input2) { // input1 and input2 are (respectively) netout and target from the constructor if(input1->size() != input2->size()) PLERROR("In LiftOutputVariable: netout and target must have the same size"); } }
string PLearn::LiftOutputVariable::classname | ( | ) | const [virtual] |
Reimplemented from PLearn::Object.
Definition at line 53 of file LiftOutputVariable.cc.
static const PPath& PLearn::LiftOutputVariable::declaringFile | ( | ) | [inline, static] |
Reimplemented from PLearn::BinaryVariable.
Definition at line 57 of file LiftOutputVariable.h.
: void build_();
LiftOutputVariable * PLearn::LiftOutputVariable::deepCopy | ( | CopiesMap & | copies | ) | const [virtual] |
Reimplemented from PLearn::BinaryVariable.
Definition at line 53 of file LiftOutputVariable.cc.
void PLearn::LiftOutputVariable::fprop | ( | ) | [virtual] |
compute output given input
Implements PLearn::Variable.
Definition at line 97 of file LiftOutputVariable.cc.
References PLearn::fast_exact_is_equal(), i, PLearn::BinaryVariable::input1, PLearn::BinaryVariable::input2, PLearn::is_missing(), MISSING_VALUE, PLASSERT, PLearn::Variable::size(), and PLearn::Variable::valuedata.
{ for(int i=0;i<size(); i++) { real output = input1->valuedata[i]; real target = input2->valuedata[i]; if(!is_missing(target)) { PLASSERT(fast_exact_is_equal(target, 0) || fast_exact_is_equal(target, 1.0)); if (fast_exact_is_equal(target, 1.0)) { if (fast_exact_is_equal(output, 0.0)) { // We need to make sure the output is positive. output = 1e-10; } valuedata[i] = output; } else { valuedata[i] = -output; } } else valuedata[i] = MISSING_VALUE; } }
OptionList & PLearn::LiftOutputVariable::getOptionList | ( | ) | const [virtual] |
Reimplemented from PLearn::Object.
Definition at line 53 of file LiftOutputVariable.cc.
OptionMap & PLearn::LiftOutputVariable::getOptionMap | ( | ) | const [virtual] |
Reimplemented from PLearn::Object.
Definition at line 53 of file LiftOutputVariable.cc.
RemoteMethodMap & PLearn::LiftOutputVariable::getRemoteMethodMap | ( | ) | const [virtual] |
Reimplemented from PLearn::Object.
Definition at line 53 of file LiftOutputVariable.cc.
Recomputes the length l and width w that this variable should have, according to its parent variables.
This is used for ex. by sizeprop() The default version stupidly returns the current dimensions, so make sure to overload it in subclasses if this is not appropriate.
Reimplemented from PLearn::Variable.
Definition at line 84 of file LiftOutputVariable.cc.
References PLearn::BinaryVariable::input1, PLearn::Var::length(), and PLearn::Var::width().
Reimplemented from PLearn::BinaryVariable.
Definition at line 57 of file LiftOutputVariable.h.