static void Main()
{
MultiplicationElement mul = new MultiplicationElement();
IntegerElement a = new IntegerElement();
IntegerElement b = new IntegerElement();
a.setText("5");
b.setText("5");
mul.setLhs(a);
mul.setRhs(b);
Element c ;
Element d ;
c = (Element)mul.getLhs();
d = (Element)mul.getRhs();
}
public override void VisitMultiplicationElement(MultiplicationElement element)
{
if (element.getRhs() == null)
{
Element var_name = element.getLhs();
VisitElement(var_name);
}
else
{
if (inParallelFor == 1)
{
ParallelMul(element);
return;
}
else
{
VisitElement(element.getLhs());
VisitElement(element.getRhs());
if (mat_stack.Count >= 2)
{
Object obj_rhs = getTopOfStack_Matrix();
Object obj_lhs = getTopOfStack_Matrix();
int rhs_type = GetTypeOfElement((Element)obj_rhs);
int lhs_type = GetTypeOfElement((Element)obj_lhs);
if (rhs_type == 3 && lhs_type == 3) // check whether both are matrices or not
{
MatrixVariableDeclaration stk_rhs = (MatrixVariableDeclaration)(obj_rhs);
MatrixVariableDeclaration stk_lhs = (MatrixVariableDeclaration)(obj_lhs);
MatrixVariableDeclaration final = new MatrixVariableDeclaration();
//Object output = new Object();
if (stk_lhs.getType() == stk_rhs.getType())
{
IntegerElement lRow = (IntegerElement)(stk_lhs.getRow());
IntegerElement lCol = (IntegerElement)(stk_lhs.getColumn());
IntegerElement rRow = (IntegerElement)(stk_rhs.getRow());
IntegerElement rCol = (IntegerElement)(stk_rhs.getColumn());
int lhs_row = int.Parse(((IntegerElement)(stk_lhs.getRow())).getText());
int lhs_col = int.Parse(((IntegerElement)(stk_lhs.getColumn())).getText());
int rhs_row = int.Parse(((IntegerElement)(stk_rhs.getRow())).getText());
int rhs_col = int.Parse(((IntegerElement)(stk_rhs.getColumn())).getText());
if (lhs_col == rhs_row)
{
final.setRow(lRow);
final.setColumn(rCol);
final.setType(stk_lhs.getType());
Console.Write("Multiplication..\n");
string mat_type = stk_lhs.getType();
if (mat_type == "int")
{
int[,] lhs_elem = stk_lhs.getintValue();
int[,] rhs_elem = stk_rhs.getintValue();
int[,] result = new int[lhs_row, rhs_col];
for (int i = 0; i < lhs_row; i++)
{
for (int j = 0; j < rhs_col; j++)
{
for (int k = 0; k < lhs_col; k++)
{
int res = lhs_elem[i, k] * rhs_elem[k, j];
result[i, j] = result[i, j] + res;
}
}
}
bool mat_set = final.setIntMatrix(result);
int[,] output = final.getintValue();
int row = int.Parse(((IntegerElement)(final.getRow())).getText());
int col = int.Parse(((IntegerElement)(final.getColumn())).getText());
for (int i = 0; i < row; i++)
{
for (int j = 0; j < col; j++)
{
Console.Write("\t" + output[i, j]);
}
Console.Write("\n");
}
Object final_output = (Object)(final);
mat_stack.Push(final_output);
}
else if (mat_type == "double")
{
double[,] lhs_elem = stk_lhs.getdoubleValue();
double[,] rhs_elem = stk_rhs.getdoubleValue();
double[,] result = new double[lhs_row, rhs_col];
for (int i = 0; i < lhs_row; i++)
{
for (int j = 0; j < rhs_col; j++)
{
for (int k = 0; k < lhs_col; k++)
{
double res = lhs_elem[i, k] * rhs_elem[k, j];
result[i, j] = result[i, j] + res;
}
}
}
bool mat_set = final.setDoubleMatrix(result);
double[,] output = final.getdoubleValue();
int row = int.Parse(((IntegerElement)(final.getRow())).getText());
int col = int.Parse(((IntegerElement)(final.getColumn())).getText());
for (int i = 0; i < row; i++)
{
for (int j = 0; j < col; j++)
{
Console.Write("\t" + output[i, j]);
}
Console.Write("\n");
}
Object final_output = (Object)(final);
mat_stack.Push(final_output);
}
}
else
{
Console.Write("Matrix dimensions does not match for multiplication.. try again.. \n");
sendres(112, "Matrix dimensions does not match for multiplication.. try again.. \n");
}
}
else
{
Console.Write("Matrix types are different.. try again.. ");
sendres(112, "Matrix types are different.. try again..\n");
}
}
else if (lhs_type == (int)datatypes.DoubleElement && rhs_type == (int)datatypes.DoubleElement)
PerformDoubleMultiplication(obj_rhs, obj_lhs);
else if (lhs_type == (int)datatypes.IntElement && rhs_type == (int)datatypes.IntElement)
PerformIntMultiplication(obj_rhs, obj_lhs);
else
{
Console.Write("Scalar and Matrix cannot be multiplied.. \n");
sendres(112, "Scalar and Matrix cannot be multiplied.. ..\n");
}
}
}
}
//throw new NotImplementedException();
}
private void ParallelMul(MultiplicationElement element)
{
VisitElement(element.getLhs());
parallelString.Append("*");
VisitElement(element.getRhs());
}