/*
* This method iterates over the sample vectors in a given file and
* performs the required operations according the the perceptron algorithm,
* writing the result into an output file.
* @param input_file - The file containing the sample vectors.
* @param output_file - The file to write the results into.
*/
void perceptron(FILE* input_file, FILE* output_file)
{
int vector_size = getSampleVectorsSize(input_file);
double cur_separator[MAX_DIMENSION];
double cur_sample[MAX_DIMENSION];
char cur_sample_tag;
char cur_calc_tag;
initSeparator(cur_separator,vector_size);
writeSeparatorToFile(output_file,cur_separator,vector_size);//initial write
while((cur_sample_tag = getSampleVectorFromFile(input_file,
cur_sample,vector_size))!= END_FILE)
//if cur_sample_tag gets -2, it means the samples file had ended
{
//casting to the matching ascii code to get P/N
cur_calc_tag = tagNewDataPoint(cur_sample,cur_separator,vector_size)
+ TAG_ASCII_DIFFERENCE;
if(cur_calc_tag != cur_sample_tag)
{
//casting tag back to -1/1
updateSeparator(cur_separator,cur_sample,
cur_sample_tag - TAG_ASCII_DIFFERENCE,vector_size);
}
writeSeparatorToFile(output_file,cur_separator,vector_size);
}
}
void Toolbar::changed( unsigned int& index, ItemPtr item )
{
static const unsigned int MAX_MENU_TEXT = 1024;
char txtBuf[ MAX_MENU_TEXT + 1 ];
for( unsigned int i = 0; i < item->num(); ++i, ++index )
{
TBBUTTONINFO info;
memset( &info, 0, sizeof( info ) );
info.cbSize = sizeof( info );
info.dwMask = TBIF_BYINDEX | TBIF_COMMAND | TBIF_IMAGE | TBIF_LPARAM
| TBIF_SIZE | TBIF_STATE | TBIF_STYLE | TBIF_TEXT;
info.pszText = txtBuf;
txtBuf[0] = 0;
info.cchText = MAX_MENU_TEXT;
sendMessage( TB_GETBUTTONINFO, index, (LPARAM)&info );
ItemPtr subItem = ( *item )[ i ];
if( subItem->type() == "SEPARATOR" )
updateSeparator( index, subItem, info );
else if( subItem->type() == "GROUP" )
updateGroup( index, subItem, info );
else if( subItem->type() == "ACTION" )
updateAction( index, subItem, info );
else if( subItem->type() == "TOGGLE" )
updateToggle( index, subItem, info );
else if( subItem->type() == "CHOICE" )
updateChoice( index, subItem, info );
else if( subItem->type() == "EXPANDED_CHOICE" )
updateExpandedChoice( index, subItem, info );
}
--index;
}
void Menu::changed( HMENU hmenu, ItemPtr item )
{
static const unsigned int MAX_MENU_TEXT = 1024;
char txtBuf[ MAX_MENU_TEXT + 1 ];
int i = 0;
unsigned int j = 0;
while( i < GetMenuItemCount( hmenu ) )
{
MENUITEMINFO info = { sizeof( info ),
MIIM_BITMAP | MIIM_CHECKMARKS | MIIM_DATA | MIIM_FTYPE | MIIM_ID |
MIIM_STATE | MIIM_STRING | MIIM_SUBMENU
};
info.cch = MAX_MENU_TEXT;
info.dwTypeData = txtBuf;
GetMenuItemInfo( hmenu, i, TRUE, &info );
if( j < item->num() )
{
ItemPtr sub = ( *item )[ j ];
if( ( Item* )info.dwItemData != sub )
{
insertMenuItem( hmenu, i, sub );
ZeroMemory( &info, sizeof( info ) );
info.cbSize = sizeof( info );
info.fMask = MIIM_BITMAP | MIIM_CHECKMARKS | MIIM_DATA | MIIM_FTYPE | MIIM_ID |
MIIM_STATE | MIIM_STRING | MIIM_SUBMENU;
info.cch = MAX_MENU_TEXT;
info.dwTypeData = txtBuf;
GetMenuItemInfo( hmenu, i, TRUE, &info );
}
if( sub->type() == "SEPARATOR" )
updateSeparator( hmenu, i, sub, info );
else if( sub->type() == "GROUP" )
updateGroup( hmenu, i, sub, info );
else if( sub->type() == "ACTION" )
updateAction( hmenu, i, sub, info );
else if( sub->type() == "TOGGLE" )
updateToggle( hmenu, i, sub, info );
else if( sub->type() == "CHOICE" )
updateChoice( hmenu, i, sub, info );
else if( sub->type() == "EXPANDED_CHOICE" )
updateExpandedChoice( hmenu, i, sub, info );
else
updateUnknownItem( hmenu, i, sub, info );
GetMenuItemInfo( hmenu, i, TRUE, &info );
++i;
++j;
}
else
DeleteMenu( hmenu, i, MF_BYPOSITION );
}
for(; j< item->num(); ++j )
{
ItemPtr sub = ( *item )[ j ];
insertMenuItem( hmenu, i, sub );
MENUITEMINFO info = { sizeof( info ),
MIIM_BITMAP | MIIM_CHECKMARKS | MIIM_DATA | MIIM_FTYPE | MIIM_ID |
MIIM_STATE | MIIM_STRING | MIIM_SUBMENU
};
info.cch = MAX_MENU_TEXT;
info.dwTypeData = txtBuf;
GetMenuItemInfo( hmenu, i, TRUE, &info );
if( sub->type() == "SEPARATOR" )
updateSeparator( hmenu, i, sub, info );
else if( sub->type() == "GROUP" )
updateGroup( hmenu, i, sub, info );
else if( sub->type() == "ACTION" )
updateAction( hmenu, i, sub, info );
else if( sub->type() == "TOGGLE" )
updateToggle( hmenu, i, sub, info );
else if( sub->type() == "CHOICE" )
updateChoice( hmenu, i, sub, info );
else if( sub->type() == "EXPANDED_CHOICE" )
updateExpandedChoice( hmenu, i, sub, info );
else
updateUnknownItem( hmenu, i, sub, info );
GetMenuItemInfo( hmenu, i, TRUE, &info );
++i;
}
}
