1 files changed, 127 insertions, 0 deletions
diff --git a/kugar/lib/mutil.cpp b/kugar/lib/mutil.cpp
new file mode 100644
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--- /dev/null
+++ b/kugar/lib/mutil.cpp
@@ -0,0 +1,127 @@
+/***************************************************************************
+             mutil.cpp  -  Kugar utlity class
+             -------------------
+   begin     : Tue Aug 17 1999
+   copyright : (C) 1999 by Mutiny Bay Software
+   email     : info@mutinybaysoftware.com
+   copyright : (C) 2002 Alexander Dymo
+   email     : cloudtemple@mksat.net
+***************************************************************************/
+
+#include <math.h>
+
+#include "mutil.h"
+
+
+namespace Kugar
+{
+
+/** Formats a date using one of the pre-defined formats */
+QString MUtil::formatDate( const QDate& value, int format )
+{
+    QString string;
+    QString month, day, year;
+
+    // Reformat date parts - not necessarily required
+    month.setNum( value.month() );
+    day.setNum( value.day() );
+
+    // Add leading zeros to month and day
+    if ( value.month() < 10 )
+        month = "0" + month;
+    if ( value.day() < 10 )
+        day = "0" + day;
+
+    // Create a two digit year
+    year.setNum( value.year() );
+    year = year.right( 2 );
+
+    // Create the formatted date string
+    switch ( format )
+    {
+    case MUtil::MDY_SLASH:
+        string = QString( "%1/%2/%3" ).arg( value.month() ).arg( value.day() ).arg( year );
+        break;
+    case MUtil::MDY_DASH:
+        string = QString( "%1-%2-%3" ).arg( value.month() ).arg( value.day() ).arg( year );
+        break;
+    case MUtil::MMDDY_SLASH:
+        string = QString( "%1/%2/%3" ).arg( month ).arg( day ).arg( year );
+        break;
+    case MUtil::MMDDY_DASH:
+        string = QString( "%1-%2-%3" ).arg( month ).arg( day ).arg( year );
+        break;
+    case MUtil::MDYYYY_SLASH:
+        string = QString( "%1/%2/%3" ).arg( value.month() ).arg( value.day() ).arg( value.year() );
+        break;
+    case MUtil::MDYYYY_DASH:
+        string = QString( "%1-%2-%3" ).arg( value.month() ).arg( value.day() ).arg( value.year() );
+        break;
+    case MUtil::MMDDYYYY_SLASH:
+        string = QString( "%1/%2/%3" ).arg( month ).arg( day ).arg( value.year() );
+        break;
+    case MUtil::MMDDYYYY_DASH:
+        string = QString( "%1-%2-%3" ).arg( month ).arg( day ).arg( value.year() );
+        break;
+    case MUtil::YYYYMD_SLASH:
+        string = QString( "%1/%2/%3" ).arg( value.year() ).arg( value.month() ).arg( value.day() );
+        break;
+    case MUtil::YYYYMD_DASH:
+        string = QString( "%1-%2-%3" ).arg( value.year() ).arg( value.month() ).arg( value.day() );
+        break;
+    case MUtil::DDMMYY_PERIOD:
+        string = QString( "%1.%2.%3" ).arg( day ).arg( month ).arg( year );
+        break;
+    case MUtil::DDMMYYYY_PERIOD:
+        string = QString( "%1.%2.%3" ).arg( day ).arg( month ).arg( value.year() );
+        break;
+    default:
+        string = value.toString();
+    }
+    return string;
+}
+
+/** Returns the count for an array of doubles */
+int MUtil::count( QMemArray<double>* values )
+{
+    return values->size();
+}
+
+/** Returns the sum for an array of doubles */
+double MUtil::sum( QMemArray<double>* values )
+{
+    double tmpSum = 0.0;
+    int size = count( values );
+
+    for ( int i = 0; i < size; i++ )
+        tmpSum += values->at( i );
+
+    return tmpSum;
+}
+
+/** Returns the average value for an array of doubles */
+double MUtil::average( QMemArray<double>* values )
+{
+    return sum( values ) / count( values );
+}
+
+/** Returns the variance for an array of doubles */
+double MUtil::variance( QMemArray<double>* values )
+{
+    double tmpVar = 0.0;
+    double tmpAvg = average( values );
+    int size = count( values );
+
+    for ( int i = 0; i < size; i++ )
+        tmpVar += pow( ( values->at( i ) - tmpAvg ), 2 ) / size;
+
+    return tmpVar;
+}
+
+/** Returns the standard deviation for an array of doubles */
+double MUtil::stdDeviation( QMemArray<double>* values )
+{
+    return sqrt( variance( values ) );
+}
+
+}