error C2601: 'det' : local function definitions are illegal

[paulo bagon]

#include <iostream>
using namespace std;

int x[4][4],detA,detB,detC,detD,detM;


void main()

{

//input function for 4x4 matrix

for ( int i =0; i < 4 ; i++)

for ( int j =0; j < 4 ; j++)
{
cout << " input x[" << i <<"]["<<j<<"]";
cin >> x[i][j];
}



//output function for 4x4 matrix

{
for( i =0; i < 4 ; i++)
{
cout <<"\n";
}

for( int j =0; j < 4 ; j++)
{
cout<< x[i][j];
cout<<"\t";
}
}

//determinant of 4x4 matrix
void det ()
{
detA = (x[1][1])( -1^2)((x[2][2])(x[3][3])(x[4][4]) + (x[2][3])(x[3][4])(x[4][2])+(x[2][4])(x[3][2])(x[4][3])-
(x[4][2])(x[3][3])(x[2][4])-(x[4][3])(x[3][4])(x[2][2])-(x[4][4])(x[3][2])(x[2][3]));

detB = (x[2][1])(-1^3) ((x[1][2])(x[3][3])(x[4][4])+ (x[1][3])(x[3][4])(x[4][2])+ (x[1][4])(x[3][2])(x[4][3])-
(x[4][2])(x[3][3])(x[1][4])-(x[4][3])(x[3][4])(x[1][2])-(x[4][4])(x[3][2])(x[1][3]));

detC = (x[3][1])(-1^4) ((x[1][2])(x[2][3])(x[4][4])+ (x[1][3])(x[2][4])(x[4][2])+ (x[1][4])(x[2][2])(x[4][3])-
(x[4][2])(x[2][3])(x[1][4])-(x[4][3])(x[2][4])(x[1][2])-(x[4][4])(x[2][2])(x[1][3]));

detD = (x[4][1])(-1^5) ((x[1][2])(x[2][3])(x[3][4])+ (x[1][3])(x[2][4])(x[3][2])+ (x[1][4])(x[2][2])(x[3][3])-
(x[3][2])(x[2][3])(x[1][4])-(x[3][3])(x[2][4])(x[1][2])-(x[3][4])(x[2][2])(x[1][3]));

detM = detA + detB + detC + detD;
}

}

[Rabbit]

You tried to declare det() inside main(), you can't do that.

[paulo bagon]

can you revised my program and make it right???please badly needed T_T

[Rabbit]

Move the declaration outside of the main function.

[paulo bagon]

how can u do it for me.??please??

[paulo bagon]

wen i put it outside theres another error "error C2064: term does not evaluate to a function"

[paulo bagon]

#include <iostream>
using namespace std;

int x[4][4],detA,detB,detC,detD,detM;


void main()
{


//input function for 4x4 matrix

{
for ( int i =0; i < 4 ; i++)

for ( int j =0; j < 4 ; j++)
{
cout << " input x[" << i <<"]["<<j<<"]";
cin >> x[i][j];
}

}

//output function for 4x4 matrix

{
for( int i =0; i < 4 ; i++)
{
cout <<"\n";
}

for( int j =0; j < 4 ; j++)
{
cout<< x[i][j];
cout<<"\t";
}
}

}

//determinant of 4x4 matrix
void det ()
{

detA = (x[1][1])( -1^2)((x[2][2])(x[3][3])(x[4][4]) + (x[2][3])(x[3][4])(x[4][2])+(x[2][4])(x[3][2])(x[4][3])-
(x[4][2])(x[3][3])(x[2][4])-(x[4][3])(x[3][4])(x[2][2])-(x[4][4])(x[3][2])(x[2][3]));

detB = (x[2][1])(-1^3) ((x[1][2])(x[3][3])(x[4][4])+ (x[1][3])(x[3][4])(x[4][2])+ (x[1][4])(x[3][2])(x[4][3])-
(x[4][2])(x[3][3])(x[1][4])-(x[4][3])(x[3][4])(x[1][2])-(x[4][4])(x[3][2])(x[1][3]));

detC = (x[3][1])(-1^4) ((x[1][2])(x[2][3])(x[4][4])+ (x[1][3])(x[2][4])(x[4][2])+ (x[1][4])(x[2][2])(x[4][3])-
(x[4][2])(x[2][3])(x[1][4])-(x[4][3])(x[2][4])(x[1][2])-(x[4][4])(x[2][2])(x[1][3]));

detD = (x[4][1])(-1^5) ((x[1][2])(x[2][3])(x[3][4])+ (x[1][3])(x[2][4])(x[3][2])+ (x[1][4])(x[2][2])(x[3][3])-
(x[3][2])(x[2][3])(x[1][4])-(x[3][3])(x[2][4])(x[1][2])-(x[3][4])(x[2][2])(x[1][3]));

detM = detA + detB + detC + detD;
}

[Rabbit]

That error is because you're trying to do what I assume is multiplication without the multiplication operator, *

Also, please use code tags when posting code.