Initial checkin.

This project will most likely just be stuck into libbu++, but I didn't
want to deal with building it all in windows.

1 files changed, 54 insertions, 0 deletions

diff --git a/src/number.cpp b/src/number.cpp
new file mode 100644
index 0000000..e64be94
--- /dev/null
+++ b/src/number.cpp
@@ -0,0 +1,54 @@
+#include "number.h"

+

+#include <bu/sio.h>

+

+#define iRadix  (10)

+

+Number::Number( int iOrd ) : 

+    iOrd( iOrd ),

+    aInt( 4 )

+{

+}

+

+Number::Number( const Bu::String &sData, int iOrd ) :

+    iOrd( iOrd ),

+    aInt( 4 )

+{

+    for( int j = sData.getSize()-1; j >= 0; j-- )

+        aInt.append( sData[j]-'0' );

+}

+

+Number::~Number()

+{

+}

+

+Number Number::operator+( const Number &rhs ) const

+{

+    Number ret( iOrd );

+

+    int iPlaces = Bu::buMax(rhs.aInt.getSize(), aInt.getSize() )+1;

+

+    int iCarry = 0;

+    for( int j = 0; j < iPlaces; j++ )

+    {

+        int iRes = iCarry + digit( j ) + rhs.digit( j );

+        Bu::println(" Place: %1 + %2 + (%3) = %4").

+            arg( digit(j) ).arg( rhs.digit( j ) ).arg( iCarry )

+            .arg( iRes );

+        ret.aInt.append( (iRes%iRadix) );

+        if( iRes < iRadix )

+            iCarry = 0;

+        else

+            iCarry = iRes/iRadix;

+    }

+

+    return ret;

+}

+

+int Number::digit( int iOrder ) const

+{

+    if( iOrder >= aInt.getSize() )

+        return 0;

+    return aInt[iOrder];

+}

+