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128 lines
3.7 KiB
128 lines
3.7 KiB
/***************************************************************************
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mutil.cpp - Kugar utlity class
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-------------------
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begin : Tue Aug 17 1999
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copyright : (C) 1999 by Mutiny Bay Software
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email : info@mutinybaysoftware.com
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copyright : (C) 2002 Alexander Dymo
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email : cloudtemple@mksat.net
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***************************************************************************/
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#include <math.h>
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#include "mutil.h"
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namespace Kugar
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{
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/** Formats a date using one of the pre-defined formats */
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TQString MUtil::formatDate( const TQDate& value, int format )
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{
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TQString string;
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TQString month, day, year;
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// Reformat date parts - not necessarily required
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month.setNum( value.month() );
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day.setNum( value.day() );
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// Add leading zeros to month and day
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if ( value.month() < 10 )
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month = "0" + month;
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if ( value.day() < 10 )
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day = "0" + day;
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// Create a two digit year
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year.setNum( value.year() );
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year = year.right( 2 );
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// Create the formatted date string
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switch ( format )
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{
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case MUtil::MDY_SLASH:
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string = TQString( "%1/%2/%3" ).arg( value.month() ).arg( value.day() ).arg( year );
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break;
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case MUtil::MDY_DASH:
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string = TQString( "%1-%2-%3" ).arg( value.month() ).arg( value.day() ).arg( year );
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break;
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case MUtil::MMDDY_SLASH:
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string = TQString( "%1/%2/%3" ).arg( month ).arg( day ).arg( year );
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break;
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case MUtil::MMDDY_DASH:
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string = TQString( "%1-%2-%3" ).arg( month ).arg( day ).arg( year );
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break;
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case MUtil::MDYYYY_SLASH:
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string = TQString( "%1/%2/%3" ).arg( value.month() ).arg( value.day() ).arg( value.year() );
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break;
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case MUtil::MDYYYY_DASH:
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string = TQString( "%1-%2-%3" ).arg( value.month() ).arg( value.day() ).arg( value.year() );
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break;
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case MUtil::MMDDYYYY_SLASH:
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string = TQString( "%1/%2/%3" ).arg( month ).arg( day ).arg( value.year() );
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break;
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case MUtil::MMDDYYYY_DASH:
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string = TQString( "%1-%2-%3" ).arg( month ).arg( day ).arg( value.year() );
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break;
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case MUtil::YYYYMD_SLASH:
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string = TQString( "%1/%2/%3" ).arg( value.year() ).arg( value.month() ).arg( value.day() );
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break;
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case MUtil::YYYYMD_DASH:
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string = TQString( "%1-%2-%3" ).arg( value.year() ).arg( value.month() ).arg( value.day() );
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break;
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case MUtil::DDMMYY_PERIOD:
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string = TQString( "%1.%2.%3" ).arg( day ).arg( month ).arg( year );
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break;
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case MUtil::DDMMYYYY_PERIOD:
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string = TQString( "%1.%2.%3" ).arg( day ).arg( month ).arg( value.year() );
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break;
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default:
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string = value.toString();
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}
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return string;
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}
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/** Returns the count for an array of doubles */
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int MUtil::count( TQMemArray<double>* values )
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{
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return values->size();
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}
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/** Returns the sum for an array of doubles */
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double MUtil::sum( TQMemArray<double>* values )
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{
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double tmpSum = 0.0;
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int size = count( values );
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for ( int i = 0; i < size; i++ )
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tmpSum += values->at( i );
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return tmpSum;
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}
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/** Returns the average value for an array of doubles */
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double MUtil::average( TQMemArray<double>* values )
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{
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return sum( values ) / count( values );
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}
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/** Returns the variance for an array of doubles */
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double MUtil::variance( TQMemArray<double>* values )
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{
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double tmpVar = 0.0;
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double tmpAvg = average( values );
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int size = count( values );
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for ( int i = 0; i < size; i++ )
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tmpVar += pow( ( values->at( i ) - tmpAvg ), 2 ) / size;
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return tmpVar;
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}
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/** Returns the standard deviation for an array of doubles */
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double MUtil::stdDeviation( TQMemArray<double>* values )
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{
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return sqrt( variance( values ) );
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}
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}
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