/*****************************************************************************
FUNCTION : cc_getErr
PURPOSE : get sum of squared errors (sse) = (o_actual - y_desired)^2
NOTES :
UPDATE : 19.01.96
******************************************************************************/
float cc_getErr (int StartPattern, int EndPattern)
{
int p=0, sub, start, end, n, pat, dummy;
float sse=0, devit,error;
register Patterns out_pat;
register struct Unit *OutputUnitPtr;
int Correct;
int WhichWin,CorrWin;
float MaxAct;
KernelErrorCode = kr_initSubPatternOrder(StartPattern,EndPattern);
ERROR_CHECK;
cc_getPatternParameter(StartPattern,EndPattern,&start,&end,&n);
ERROR_CHECK;
SumSqError = 0.0;
for(p=start; p<=end;p++){
Correct=TRUE;
MaxAct=0.0;
cc_getActivationsForActualPattern(p,start,&pat,&sub);
PROPAGATE_THROUGH_OUTPUT_LAYER(OutputUnitPtr,dummy,p);
out_pat = kr_getSubPatData(pat,sub,OUTPUT,NULL);
FOR_ALL_OUTPUT_UNITS(OutputUnitPtr,dummy){
if (*out_pat > 0.5) CorrWin = dummy;
devit = OutputUnitPtr->Out.output - *(out_pat++);
if (OutputUnitPtr->Out.output > MaxAct)
{
MaxAct=OutputUnitPtr->Out.output;
WhichWin=dummy;
}
if (abs(devit) > 0.2) Correct=FALSE;
sse += devit*devit;
error = devit *
(((OutputUnitPtr->act_deriv_func == ACT_DERIV_Custom_Python) ?
kr_PythonActFunction(OutputUnitPtr->python_act_deriv_func,
OutputUnitPtr) :
(OutputUnitPtr->act_deriv_func) (OutputUnitPtr)) + cc_fse);
SumSqError += error*error;
}
}
cc_actualNetSaved=TRUE;
return sse;
}
/*****************************************************************************
FUNCTION : cc_getErr
PURPOSE : get sum of squared errors (sse) = (o_actual - y_desired)^2
NOTES :
UPDATE : 19.01.96
******************************************************************************/
float SnnsCLib::cc_getErr (int StartPattern, int EndPattern)
{
int p=0, sub, start, end, n, pat, dummy;
float sse=0, devit,error;
register Patterns out_pat;
register struct Unit *OutputUnitPtr;
//int Correct;
//int WhichWin,CorrWin;
float MaxAct;
KernelErrorCode = kr_initSubPatternOrder(StartPattern,EndPattern);
ERROR_CHECK;
cc_getPatternParameter(StartPattern,EndPattern,&start,&end,&n);
ERROR_CHECK;
SumSqError = 0.0;
for(p=start; p<=end;p++){
//Correct=TRUE;
MaxAct=0.0;
cc_getActivationsForActualPattern(p,start,&pat,&sub);
PROPAGATE_THROUGH_OUTPUT_LAYER(OutputUnitPtr,dummy,p);
out_pat = kr_getSubPatData(pat,sub,OUTPUT,NULL);
FOR_ALL_OUTPUT_UNITS(OutputUnitPtr,dummy){
//if (*out_pat > 0.5) CorrWin = dummy;
devit = OutputUnitPtr->Out.output - *(out_pat++);
if (OutputUnitPtr->Out.output > MaxAct)
{
MaxAct=OutputUnitPtr->Out.output;
//WhichWin=dummy;
}
//if (fabs(devit) > 0.2) Correct=FALSE;
sse += devit*devit;
error = devit *
((this->*OutputUnitPtr->act_deriv_func)(OutputUnitPtr) + cc_fse);
SumSqError += error*error;
}
}
