4.27 beta

7zip/Compress/Rar29/Original/int64.cpp

@@ -0,0 +1,274 @@
+#include "rar.hpp"
+
+#ifndef NATIVE_INT64
+
+Int64::Int64()
+{
+}
+
+
+Int64::Int64(uint n)
+{
+  HighPart=0;
+  LowPart=n;
+}
+
+
+Int64::Int64(uint HighPart,uint LowPart)
+{
+  Int64::HighPart=HighPart;
+  Int64::LowPart=LowPart;
+}
+
+
+/*
+Int64 Int64::operator = (Int64 n)
+{
+  HighPart=n.HighPart;
+  LowPart=n.LowPart;
+  return(*this);
+}
+*/
+
+
+Int64 Int64::operator << (int n)
+{
+  Int64 res=*this;
+  while (n--)
+  {
+    res.HighPart<<=1;
+    if (res.LowPart & 0x80000000)
+      res.HighPart|=1;
+    res.LowPart<<=1;
+  }
+  return(res);
+}
+
+
+Int64 Int64::operator >> (int n)
+{
+  Int64 res=*this;
+  while (n--)
+  {
+    res.LowPart>>=1;
+    if (res.HighPart & 1)
+      res.LowPart|=0x80000000;
+    res.HighPart>>=1;
+  }
+  return(res);
+}
+
+
+Int64 operator / (Int64 n1,Int64 n2)
+{
+  if (n1.HighPart==0 && n2.HighPart==0)
+    return(Int64(0,n1.LowPart/n2.LowPart));
+  int ShiftCount=0;
+  while (n1>n2)
+  {
+    n2=n2<<1;
+    if (++ShiftCount>64)
+      return(0);
+  }
+  Int64 res=0;
+  while (ShiftCount-- >= 0)
+  {
+    res=res<<1;
+    if (n1>=n2)
+    {
+      n1-=n2;
+      ++res;
+    }
+    n2=n2>>1;
+  }
+  return(res);
+}
+
+
+Int64 operator * (Int64 n1,Int64 n2)
+{
+  if (n1<0x10000 && n2<0x10000)
+    return(Int64(0,n1.LowPart*n2.LowPart));
+  Int64 res=0;
+  for (int I=0;I<64;I++)
+  {
+    if (n2.LowPart & 1)
+      res+=n1;
+    n1=n1<<1;
+    n2=n2>>1;
+  }
+  return(res);
+}
+
+
+Int64 operator % (Int64 n1,Int64 n2)
+{
+  if (n1.HighPart==0 && n2.HighPart==0)
+    return(Int64(0,n1.LowPart%n2.LowPart));
+  return(n1-n1/n2*n2);
+}
+
+
+Int64 operator + (Int64 n1,Int64 n2)
+{
+  n1.LowPart+=n2.LowPart;
+  if (n1.LowPart<n2.LowPart)
+    n1.HighPart++;
+  n1.HighPart+=n2.HighPart;
+  return(n1);
+}
+
+
+Int64 operator - (Int64 n1,Int64 n2)
+{
+  if (n1.LowPart<n2.LowPart)
+    n1.HighPart--;
+  n1.LowPart-=n2.LowPart;
+  n1.HighPart-=n2.HighPart;
+  return(n1);
+}
+
+
+Int64 operator += (Int64 &n1,Int64 n2)
+{
+  n1=n1+n2;
+  return(n1);
+}
+
+
+Int64 operator -= (Int64 &n1,Int64 n2)
+{
+  n1=n1-n2;
+  return(n1);
+}
+
+
+Int64 operator *= (Int64 &n1,Int64 n2)
+{
+  n1=n1*n2;
+  return(n1);
+}
+
+
+Int64 operator /= (Int64 &n1,Int64 n2)
+{
+  n1=n1/n2;
+  return(n1);
+}
+
+
+Int64 operator | (Int64 n1,Int64 n2)
+{
+  n1.LowPart|=n2.LowPart;
+  n1.HighPart|=n2.HighPart;
+  return(n1);
+}
+
+
+Int64 operator & (Int64 n1,Int64 n2)
+{
+  n1.LowPart&=n2.LowPart;
+  n1.HighPart&=n2.HighPart;
+  return(n1);
+}
+
+
+/*
+inline void operator -= (Int64 &n1,unsigned int n2)
+{
+  if (n1.LowPart<n2)
+    n1.HighPart--;
+  n1.LowPart-=n2;
+}
+
+
+inline void operator ++ (Int64 &n)
+{
+  if (++n.LowPart == 0)
+    ++n.HighPart;
+}
+
+
+inline void operator -- (Int64 &n)
+{
+  if (n.LowPart-- == 0)
+    n.HighPart--;
+}
+*/
+
+bool operator == (Int64 n1,Int64 n2)
+{
+  return(n1.LowPart==n2.LowPart && n1.HighPart==n2.HighPart);
+}
+
+
+bool operator > (Int64 n1,Int64 n2)
+{
+  return((int)n1.HighPart>(int)n2.HighPart || n1.HighPart==n2.HighPart && n1.LowPart>n2.LowPart);
+}
+
+
+bool operator < (Int64 n1,Int64 n2)
+{
+  return((int)n1.HighPart<(int)n2.HighPart || n1.HighPart==n2.HighPart && n1.LowPart<n2.LowPart);
+}
+
+
+bool operator != (Int64 n1,Int64 n2)
+{
+  return(n1.LowPart!=n2.LowPart || n1.HighPart!=n2.HighPart);
+}
+
+
+bool operator >= (Int64 n1,Int64 n2)
+{
+  return(n1>n2 || n1==n2);
+}
+
+
+bool operator <= (Int64 n1,Int64 n2)
+{
+  return(n1<n2 || n1==n2);
+}
+
+
+void Int64::Set(uint HighPart,uint LowPart)
+{
+  Int64::HighPart=HighPart;
+  Int64::LowPart=LowPart;
+}
+#endif
+
+void itoa(Int64 n,char *Str)
+{
+  if (n<=0xffffffff)
+  {
+    sprintf(Str,"%u",int64to32(n));
+    return;
+  }
+
+  char NumStr[50];
+  int Pos=0;
+
+  do
+  {
+    NumStr[Pos++]=int64to32(n%10)+'0';
+    n=n/10;
+  } while (n!=0);
+
+  for (int I=0;I<Pos;I++)
+    Str[I]=NumStr[Pos-I-1];
+  Str[Pos]=0;
+}
+
+
+Int64 atoil(char *Str)
+{
+  Int64 n=0;
+  while (*Str>='0' && *Str<='9')
+  {
+    n=n*10+*Str-'0';
+    Str++;
+  }
+  return(n);
+}