public static void FSUB(string fir, string sec)
{
SoReg rf = reg[fir] as SoReg;
SoReg rs = reg[sec] as SoReg;
if (rf.val < rs.val)
{
string s = fir;
fir = sec;
sec = s;
}
if (rf.val < 0 && rs.val > 0)
{
Visual.VisualCommandFAdd(1, fir, sec);
}
else
if (rf.val > 0 && rs.val < 0)
{
Visual.VisualCommandFAdd(0, fir, sec);
}
else
if (rf.val < 0 && rs.val < 0)
{
Visual.VisualCommandFSub(1, fir, sec);
}
else
{
Visual.VisualCommandFSub(0, fir, sec);
}
double ans = rf.val - rs.val;
rf.In(ans);
}
public static void FMUL(string fir, string sec)
{
Visual.VisualCommandFMul(fir, sec);
SoReg rf = reg[fir] as SoReg;
SoReg rs = reg[sec] as SoReg;
double ans = rf.val * rs.val;
rf.In(ans);
}
public static void FDIV(string fir, string sec)
{
SoReg rf = reg[fir] as SoReg;
SoReg rs = reg[sec] as SoReg;
if (Math.Abs(rs.val) <= 0.00000001)
{
Console.WriteLine("Divide by zero!");
return;
}
Visual.VisualCommandFDiv(fir, sec);
double ans = rf.val / rs.val;
rf.In(ans);
}
public static void FADD(string fir, string sec)
{
SoReg rf = reg[fir] as SoReg;
SoReg rs = reg[sec] as SoReg;
if (rf.val < 0 && rs.val > 0)
{
Visual.VisualCommandFSub(1, fir, sec);
}
else
if (rf.val > 0 && rs.val < 0)
{
Visual.VisualCommandFSub(0, fir, sec);
}
else
{
Visual.VisualCommandFAdd(1, fir, sec);
}
double ans = rf.val + rs.val;
rf.In(ans);
}