use ifdef, not if, to test for HAVE_WCSRTOMBS

[wxWidgets.git] / src / common / longlong.cpp

diff --git a/src/common/longlong.cpp b/src/common/longlong.cpp
index ba2c4100fbe50d0a5651e26864cbafa6356bdfdd..4646ce0d7b29d3b648eb51f4b17313ad3e97051c 100644 (file)
--- a/src/common/longlong.cpp
+++ b/src/common/longlong.cpp
@@ -27,6 +27,7 @@
 
 #if wxUSE_LONGLONG
 #include "wx/longlong.h"
 
 #if wxUSE_LONGLONG
 #include "wx/longlong.h"

+#include "wx/math.h"       // for fabs()

 
 #if defined(__MWERKS__) && defined(__WXMSW__)
 #include <string.h>     // for memset()
 
 #if defined(__MWERKS__) && defined(__WXMSW__)
 #include <string.h>     // for memset()


@@ -34,7 +35,7 @@
 #include <memory.h>     // for memset()
 #endif
 
 #include <memory.h>     // for memset()
 #endif
 

-#include <math.h>       // for fabs()
+#include "wx/ioswrap.h"

 
 // ============================================================================
 // implementation
 
 // ============================================================================
 // implementation


@@ -50,14 +51,14 @@ void *wxLongLongNative::asArray() const
 {
     static unsigned char temp[8];
 
 {
     static unsigned char temp[8];
 

-    temp[0] = (m_ll >> 56) & 0xFF;
-    temp[1] = (m_ll >> 48) & 0xFF;
-    temp[2] = (m_ll >> 40) & 0xFF;
-    temp[3] = (m_ll >> 32) & 0xFF;
-    temp[4] = (m_ll >> 24) & 0xFF;
-    temp[5] = (m_ll >> 16) & 0xFF;
-    temp[6] = (m_ll >> 8)  & 0xFF;
-    temp[7] = (m_ll >> 0)  & 0xFF;
+    temp[0] = (unsigned char)((m_ll >> 56) & 0xFF);
+    temp[1] = (unsigned char)((m_ll >> 48) & 0xFF);
+    temp[2] = (unsigned char)((m_ll >> 40) & 0xFF);
+    temp[3] = (unsigned char)((m_ll >> 32) & 0xFF);
+    temp[4] = (unsigned char)((m_ll >> 24) & 0xFF);
+    temp[5] = (unsigned char)((m_ll >> 16) & 0xFF);
+    temp[6] = (unsigned char)((m_ll >> 8)  & 0xFF);
+    temp[7] = (unsigned char)((m_ll >> 0)  & 0xFF);

 
     return temp;
 }
 
     return temp;
 }


@@ -66,18 +67,37 @@ void *wxULongLongNative::asArray() const
 {
     static unsigned char temp[8];
 
 {
     static unsigned char temp[8];
 

-    temp[0] = (m_ll >> 56) & 0xFF;
-    temp[1] = (m_ll >> 48) & 0xFF;
-    temp[2] = (m_ll >> 40) & 0xFF;
-    temp[3] = (m_ll >> 32) & 0xFF;
-    temp[4] = (m_ll >> 24) & 0xFF;
-    temp[5] = (m_ll >> 16) & 0xFF;
-    temp[6] = (m_ll >> 8)  & 0xFF;
-    temp[7] = (m_ll >> 0)  & 0xFF;
+    temp[0] = (unsigned char)((m_ll >> 56) & 0xFF);
+    temp[1] = (unsigned char)((m_ll >> 48) & 0xFF);
+    temp[2] = (unsigned char)((m_ll >> 40) & 0xFF);
+    temp[3] = (unsigned char)((m_ll >> 32) & 0xFF);
+    temp[4] = (unsigned char)((m_ll >> 24) & 0xFF);
+    temp[5] = (unsigned char)((m_ll >> 16) & 0xFF);
+    temp[6] = (unsigned char)((m_ll >> 8)  & 0xFF);
+    temp[7] = (unsigned char)((m_ll >> 0)  & 0xFF);

 
     return temp;
 }
 
 
     return temp;
 }
 

+#if wxUSE_LONGLONG_WX
+wxLongLongNative::wxLongLongNative(wxLongLongWx ll)
+{
+    // assign first to avoid precision loss!
+    m_ll = ll.GetHi();
+    m_ll <<= 32;
+    m_ll |= ll.GetLo();
+}
+
+wxLongLongNative& wxLongLongNative::operator=(wxLongLongWx ll)
+{
+    // assign first to avoid precision loss!
+    m_ll = ll.GetHi();
+    m_ll <<= 32;
+    m_ll |= ll.GetLo();
+    return *this;
+}
+#endif
+

 #endif // wxUSE_LONGLONG_NATIVE
 
 // ============================================================================
 #endif // wxUSE_LONGLONG_NATIVE
 
 // ============================================================================


@@ -426,10 +446,14 @@ wxLongLongWx wxLongLongWx::operator-(const wxLongLongWx& ll) const
     return res;
 }
 
     return res;
 }
 

-wxULongLongWx wxULongLongWx::operator-(const wxULongLongWx& ll) const
+wxLongLongWx wxULongLongWx::operator-(const wxULongLongWx& ll) const

 {
 {

-    wxULongLongWx res(*this);
-    res -= ll;
+    wxASSERT(m_hi <= LONG_MAX );
+    wxASSERT(ll.m_hi <= LONG_MAX );
+
+    wxLongLongWx res( (long)m_hi , m_lo );
+    wxLongLongWx op( (long)ll.m_hi , ll.m_lo );
+    res -= op;

 
     return res;
 }
 
     return res;
 }


@@ -729,7 +753,7 @@ wxULongLongWx& wxULongLongWx::operator*=(const wxULongLongWx& ll)
     m_hi = m_lo = 0;
 
 #ifdef wxLONGLONG_TEST_MODE
     m_hi = m_lo = 0;
 
 #ifdef wxLONGLONG_TEST_MODE

-    unsigned wxLongLong_t llOld = m_ll;
+    wxULongLong_t llOld = m_ll;

     m_ll = 0;
 #endif // wxLONGLONG_TEST_MODE
 
     m_ll = 0;
 #endif // wxLONGLONG_TEST_MODE
 


@@ -755,9 +779,11 @@ wxULongLongWx& wxULongLongWx::operator*=(const wxULongLongWx& ll)
 
 // division
 
 
 // division
 

+#define IS_MSB_SET(ll)  ((ll.GetHi()) & (1 << (8*sizeof(long) - 1)))
+

 void wxLongLongWx::Divide(const wxLongLongWx& divisorIn,
                           wxLongLongWx& quotient,
 void wxLongLongWx::Divide(const wxLongLongWx& divisorIn,
                           wxLongLongWx& quotient,

-                          wxLongLongWx& remainder) const
+                          wxLongLongWx& remainderIO) const

 {
     if ((divisorIn.m_lo == 0) && (divisorIn.m_hi == 0))
     {
 {
     if ((divisorIn.m_lo == 0) && (divisorIn.m_hi == 0))
     {


@@ -781,8 +807,7 @@ void wxLongLongWx::Divide(const wxLongLongWx& divisorIn,
     //     all responsibility for using this code.
 
     // init everything
     //     all responsibility for using this code.
 
     // init everything

-    wxLongLongWx dividend = *this,
-                 divisor = divisorIn;
+    wxULongLongWx dividend, divisor, remainder;

 
     quotient = 0l;
     remainder = 0l;
 
     quotient = 0l;
     remainder = 0l;


@@ -795,17 +820,21 @@ void wxLongLongWx::Divide(const wxLongLongWx& divisorIn,
     //      dividend = quotient*divisor + remainder
     //
     // with 0 <= abs(remainder) < abs(divisor)
     //      dividend = quotient*divisor + remainder
     //
     // with 0 <= abs(remainder) < abs(divisor)

-    bool negRemainder = dividend.m_hi < 0;
+    bool negRemainder = GetHi() < 0;

     bool negQuotient = false;   // assume positive
     bool negQuotient = false;   // assume positive

-    if ( dividend.m_hi < 0 )
+    if ( GetHi() < 0 )

     {
         negQuotient = !negQuotient;
     {
         negQuotient = !negQuotient;

-        dividend = -dividend;
+        dividend = -*this;
+    } else {
+        dividend = *this;

     }
     }

-    if ( divisor.m_hi < 0 )
+    if ( divisorIn.GetHi() < 0 )

     {
         negQuotient = !negQuotient;
     {
         negQuotient = !negQuotient;

-        divisor = -divisor;
+        divisor = -divisorIn;
+    } else {
+        divisor = divisorIn;

     }
 
     // check for some particular cases
     }
 
     // check for some particular cases


@@ -819,12 +848,10 @@ void wxLongLongWx::Divide(const wxLongLongWx& divisorIn,
     }
     else
     {
     }
     else
     {

-        // here: dividend > divisor and both are positibe: do unsigned division
+        // here: dividend > divisor and both are positive: do unsigned division

         size_t nBits = 64u;
         wxLongLongWx d;
 
         size_t nBits = 64u;
         wxLongLongWx d;
 

-        #define IS_MSB_SET(ll)  ((ll.m_hi) & (1 << (8*sizeof(long) - 1)))
-

         while ( remainder < divisor )
         {
             remainder <<= 1;
         while ( remainder < divisor )
         {
             remainder <<= 1;


@@ -864,10 +891,12 @@ void wxLongLongWx::Divide(const wxLongLongWx& divisorIn,
         }
     }
 
         }
     }
 

+    remainderIO = remainder;
+

     // adjust signs
     if ( negRemainder )
     {
     // adjust signs
     if ( negRemainder )
     {

-        remainder = -remainder;
+        remainderIO = -remainderIO;

     }
 
     if ( negQuotient )
     }
 
     if ( negQuotient )


@@ -923,8 +952,6 @@ void wxULongLongWx::Divide(const wxULongLongWx& divisorIn,
         size_t nBits = 64u;
         wxULongLongWx d;
 
         size_t nBits = 64u;
         wxULongLongWx d;
 

-        #define IS_MSB_SET(ll)  ((ll.m_hi) & (1 << (8*sizeof(long) - 1)))
-

         while ( remainder < divisor )
         {
             remainder <<= 1;
         while ( remainder < divisor )
         {
             remainder <<= 1;


@@ -1062,75 +1089,82 @@ void *wxULongLongWx::asArray(void) const
 
 #endif // wxUSE_LONGLONG_WX
 
 
 #endif // wxUSE_LONGLONG_WX
 

-wxString
-#if wxUSE_LONGLONG_NATIVE
-wxLongLongNative::ToString() const
-#else
-wxLongLongWx::ToString() const
-#endif
-{
-    // TODO: this is awfully inefficient, anything better?
-    wxString result;
-
-    wxLongLong ll = *this;
-
-    bool neg;
-    if ( ll < 0 )
-    {
-        ll.Negate();
-        neg = true;
-    }
-    else
-    {
-        neg = false;
+#define LL_TO_STRING(name)                                           \
+    wxString name::ToString() const                                  \
+    {                                                                \
+        /* TODO: this is awfully inefficient, anything better? */    \
+        wxString result;                                             \
+                                                                     \
+        name ll = *this;                                             \
+                                                                     \
+        bool neg = ll < 0;                                           \
+        if ( neg )                                                   \
+        {                                                            \
+            while ( ll != 0 )                                        \
+            {                                                        \
+                long digit = (ll % 10).ToLong();                     \
+                result.Prepend((wxChar)(_T('0') - digit));           \
+                ll /= 10;                                            \
+            }                                                        \
+        }                                                            \
+        else                                                         \
+        {                                                            \
+            while ( ll != 0 )                                        \
+            {                                                        \
+                long digit = (ll % 10).ToLong();                     \
+                result.Prepend((wxChar)(_T('0') + digit));           \
+                ll /= 10;                                            \
+            }                                                        \
+        }                                                            \
+                                                                     \
+        if ( result.empty() )                                        \
+            result = _T('0');                                        \
+        else if ( neg )                                              \
+            result.Prepend(_T('-'));                                 \
+                                                                     \
+        return result;                                               \

     }
 
     }
 

-    while ( ll != 0 )
-    {
-        result.Prepend((wxChar)(_T('0') + (ll % 10).ToLong()));
-        ll /= 10;
+#define ULL_TO_STRING(name)                                          \
+    wxString name::ToString() const                                  \
+    {                                                                \
+        /* TODO: this is awfully inefficient, anything better? */    \
+        wxString result;                                             \
+                                                                     \
+        name ll = *this;                                             \
+                                                                     \
+        while ( ll != 0 )                                            \
+        {                                                            \
+            result.Prepend((wxChar)(_T('0') + (ll % 10).ToULong())); \
+            ll /= 10;                                                \
+        }                                                            \
+                                                                     \
+        if ( result.empty() )                                        \
+            result = _T('0');                                        \
+                                                                     \
+        return result;                                               \

     }
 
     }
 

-    if ( result.empty() )
-        result = _T('0');
-    else if ( neg )
-        result.Prepend(_T('-'));
-
-    return result;
-}
-
-wxString

 #if wxUSE_LONGLONG_NATIVE
 #if wxUSE_LONGLONG_NATIVE

-wxULongLongNative::ToString() const
-#else
-wxULongLongWx::ToString() const
+    LL_TO_STRING(wxLongLongNative)
+    ULL_TO_STRING(wxULongLongNative)

 #endif
 #endif

-{
-    // TODO: this is awfully inefficient, anything better?
-    wxString result;

 
 

-    wxULongLong ll = *this;
-
-    while ( ll != 0 )
-    {
-        result.Prepend((wxChar)(_T('0') + (ll % 10).ToULong()));
-        ll /= 10;
-    }
-
-    if ( result.empty() )
-        result = _T('0');
-
-    return result;
-}
+#if wxUSE_LONGLONG_WX
+    LL_TO_STRING(wxLongLongWx)
+    ULL_TO_STRING(wxULongLongWx)
+#endif

 
 #if wxUSE_STD_IOSTREAM
 
 // input/output
 
 #if wxUSE_STD_IOSTREAM
 
 // input/output

+WXDLLIMPEXP_BASE

 wxSTD ostream& operator<< (wxSTD ostream& o, const wxLongLong& ll)
 {
     return o << ll.ToString();
 }
 
 wxSTD ostream& operator<< (wxSTD ostream& o, const wxLongLong& ll)
 {
     return o << ll.ToString();
 }
 

+WXDLLIMPEXP_BASE

 wxSTD ostream& operator<< (wxSTD ostream& o, const wxULongLong& ll)
 {
     return o << ll.ToString();
 wxSTD ostream& operator<< (wxSTD ostream& o, const wxULongLong& ll)
 {
     return o << ll.ToString();


@@ -1138,4 +1172,14 @@ wxSTD ostream& operator<< (wxSTD ostream& o, const wxULongLong& ll)
 
 #endif // wxUSE_STD_IOSTREAM
 
 
 #endif // wxUSE_STD_IOSTREAM
 

+WXDLLIMPEXP_BASE wxString& operator<< (wxString& s, const wxLongLong& ll)
+{
+    return s << ll.ToString();
+}
+
+WXDLLIMPEXP_BASE wxString& operator<< (wxString& s, const wxULongLong& ll)
+{
+    return s << ll.ToString();
+}
+

 #endif // wxUSE_LONGLONG
 #endif // wxUSE_LONGLONG