ParsX.com
پذیرش پروژه از دانشجویی ... تا سازمانی 09376225339
 
   ProfileProfile   Log in to check your private messagesLog in to check your private messages  |  FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups Log inLog in   RegisterRegister 

كمك !!! ضرب استراسن

 
Post new topic   Reply to topic    ParsX.com Forum Index -> C/C++ Programming
View previous topic :: View next topic  
Author Message
mahran
مهمون يكي دو روزه


Joined: 14 Feb 2007
Posts: 8

PostPosted: Mon Jul 30, 2007 4:42 pm    Post subject: كمك !!! ضرب استراسن Reply with quote

سلام ازدوستان بزرگوار خواهش ميكنم اگر كسي اين برنامه را داره به من كمك كنه..
Back to top
vahid
بي تو هرگز


Joined: 26 Nov 2004
Posts: 2973
Location: Tehran

PostPosted: Tue Jul 31, 2007 9:02 pm    Post subject: Reply with quote

/************************************************** ************************
************************************************** ************************
A C++ Program to computes the product of two matrices of size 4x4 using
Strassen's Algorithm (Improved Divide and Conquer Strategy).
************************************************** ************************
************************************************** ***********************/
/************************************************** ***********************
By :
Muhammad Tahir Shahzad [ MTS ]
B.C.S Honours [ 2000-04 ]
Government College University Lahore
Pakistan
E-mail : mtshome@wol.net.pk
Web-Site : www.mts-home.cjb.net (http://www.mts-home.cjb.net) [ www.wol.net.pk/mtshome (http://www.wol.net.pk/mtshome) ]
www.mtshome.cjb.net (http://www.mtshome.cjb.net) [ www.geocities.com/mtahirshahzad (http://www.geocities.com/mtahirshahzad) ]
************************************************** ***********************/

/************************************************** ***********************/
/************************************************** ***********************/
//--------------------------- Header Files ----------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
# include <iostream.h>
# include <conio.h>
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Global Variabbles --------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int matrix_A[4][4]={0};
int matrix_B[4][4]={0};
int matrix_C[4][4]={0};
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Function Prototypes ------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
void get_matrix_A( );
void get_matrix_B( );
void multiply_matrices( );
void show_matrix_C( );
void add_2x2_matrices(const int [2][2],const int [2][2],int [2][2]);
void subtract_2x2_matrices(const int [2][2],const int [2][2],int [2][2]);
void multiply_2x2_matrices(const int [2][2],const int [2][2],int [2][2]);
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- main( ) -------------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
int main( )
{
clrscr( );
textmode(C4350);
get_matrix_A( );
get_matrix_B( );
multiply_matrices( );
show_matrix_C( );
cout<<"\n\n\n\n\n Press any key to exit...";
getch( );
return 0;
}
/************************************************** ***********************/
/************************************************** ***********************/
//------------------------ Function Definitions -----------------------//
/************************************************** ***********************/
/************************************************** ***********************/
/************************************************** *********************/
//-------------------------- get_matrix_A( ) ------------------------//
/************************************************** *********************/
void get_matrix_A( )
{
gotoxy(1,2);
cout<<" Enter the values of Matrix-A row by row :\n "<<endl;
cout<<"\t\t\t &Uacute; &iquest;"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t &Agrave; &Ugrave;"<<endl;
gotoxy(18,6);
cout<<" A = "<<endl;
int x=28;
int y=5;
for(int i=0;i<4;i++)
{
for(int j=0;j<4;j++)
{
gotoxy(x,y);
cin>>matrix_A[i][j];
x+=5;
}
x=28;
y++;
}
}
/************************************************** *********************/
//------------------------- get_matrix_B( ) -------------------------//
/************************************************** *********************/
void get_matrix_B( )
{
gotoxy(1,15);
cout<<" Enter the values of Matrix-B row by row :\n "<<endl;
cout<<"\t\t\t &Uacute; &iquest;"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t &Agrave; &Ugrave;"<<endl;
gotoxy(18,19);
cout<<" B = "<<endl;
int x=28;
int y=18;
for(int i=0;i<4;i++)
{
for(int j=0;j<4;j++)
{
gotoxy(x,y);
cin>>matrix_B[i][j];
x+=5;
}
x=28;
y++;
}
}
/************************************************** ***********************/
//------------------------ add_2x2_matrices( ) ------------------------//
/************************************************** ***********************/
void add_2x2_matrices(const int a[2][2],const int b[2][2],int c[2][2])
{
for(int i=0;i<2;i++)
{
for(int j=0;j<2;j++)
c[i][j]=(a[i][j]+b[i][j]);
}
}
/************************************************** ***********************/
//----------------------- subtract_2x2_matrices( ) --------------------//
/************************************************** ***********************/
void subtract_2x2_matrices(const int a[2][2],const int b[2][2],int c[2][2])
{
for(int i=0;i<2;i++)
{
for(int j=0;j<2;j++)
c[i][j]=(a[i][j]-b[i][j]);
}
}
/************************************************** ***********************/
//---------------------- multiply_2x2_matrices( ) ---------------------//
/************************************************** ***********************/
void multiply_2x2_matrices(const int a[2][2],const int b[2][2],int c[2][2])
{
for(int i=0;i<2;i++)
{
for(int j=0;j<2;j++)
{
c[i][j]=0;
for(int k=0;k<2;k++)
c[i][j]+=(a[j][k]*b[k][j]);
}
}
}
/************************************************** ***********************/
//----------------------- multiply_matrices( ) ------------------------//
/************************************************** ***********************/
void multiply_matrices( )
{
int A11[2][2]={0};
int A12[2][2]={0};
int A21[2][2]={0};
int A22[2][2]={0};
int B11[2][2]={0};
int B12[2][2]={0};
int B21[2][2]={0};
int B22[2][2]={0};
int C11[2][2]={0};
int C12[2][2]={0};
int C21[2][2]={0};
int C22[2][2]={0};
int i;
int j;
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
{
A11[i][j]=matrix_A[i][j];
B11[i][j]=matrix_B[i][j];
}
}
for(i=0;i<2;i++)
{
for(j=2;j<4;j++)
{
A12[i][(j-2)]=matrix_A[i][j];
B12[i][(j-2)]=matrix_B[i][j];
}
}
for(i=2;i<4;i++)
{
for(j=0;j<2;j++)
{
A21[(i-2)][j]=matrix_A[i][j];
B21[(i-2)][j]=matrix_B[i][j];
}
}
for(i=2;i<4;i++)
{
for(j=2;j<4;j++)
{
A22[(i-2)][(j-2)]=matrix_A[i][j];
B22[(i-2)][(j-2)]=matrix_B[i][j];
}
}
int M1[2][2]={0};
int M2[2][2]={0};
int M3[2][2]={0};
int M4[2][2]={0};
int M5[2][2]={0};
int M6[2][2]={0};
int M7[2][2]={0};
int Temp1[2][2]={0};
int Temp2[2][2]={0};
subtract_2x2_matrices(A12,A22,Temp1);
add_2x2_matrices(B21,B22,Temp2);
multiply_2x2_matrices(Temp1,Temp2,M1);
add_2x2_matrices(A11,A22,Temp1);
add_2x2_matrices(B11,B22,Temp2);
multiply_2x2_matrices(Temp1,Temp2,M2);
subtract_2x2_matrices(A11,A21,Temp1);
add_2x2_matrices(B11,B12,Temp2);
multiply_2x2_matrices(Temp1,Temp2,M3);
add_2x2_matrices(A11,A12,Temp1);
multiply_2x2_matrices(Temp1,B22,M4);
subtract_2x2_matrices(B12,B22,Temp1);
multiply_2x2_matrices(Temp1,A11,M5);
subtract_2x2_matrices(B21,B11,Temp1);
multiply_2x2_matrices(Temp1,A22,M6);
add_2x2_matrices(A21,A22,Temp1);
multiply_2x2_matrices(Temp1,B11,M7);
add_2x2_matrices(M1,M6,Temp1);
subtract_2x2_matrices(M2,M4,Temp2);
add_2x2_matrices(Temp1,Temp2,C11);
add_2x2_matrices(M4,M5,C12);
add_2x2_matrices(M6,M7,C21);
subtract_2x2_matrices(M2,M3,Temp1);
subtract_2x2_matrices(M5,M7,Temp2);
add_2x2_matrices(Temp1,Temp2,C22);
for(i=0;i<2;i++)
{
for(j=0;j<2;j++)
matrix_C[i][j]=C11[i][j];
}
for(i=0;i<2;i++)
{
for(j=2;j<4;j++)
matrix_C[i][j]=C12[i][(j-2)];
}
for(i=2;i<4;i++)
{
for(j=0;j<2;j++)
matrix_C[i][j]=C21[(i-2)][j];
}
for(i=2;i<4;i++)
{
for(j=2;j<4;j++)
matrix_C[i][j]=C22[(i-2)][(j-2)];
}
}
/************************************************** *********************/
//------------------------ show_matrix_C( ) -------------------------//
/************************************************** *********************/
void show_matrix_C( )
{
gotoxy(1,28);
cout<<" Values of Matrix-C row by row :\n "<<endl;
cout<<"\t\t\t &Uacute; &iquest;"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t ³ ³"<<endl;
cout<<"\t\t\t &Agrave; &Ugrave;"<<endl;
gotoxy(18,32);
cout<<" C = "<<endl;
int x=28;
int y=31;
for(int i=0;i<4;i++)
{
for(int j=0;j<4;j++)
{
gotoxy(x,y);
cout<<matrix_C[i][j];
x+=5;
}
x=28;
y++;
}
}
/************************************************** ***********************/
/************************************************** ***********************/
//----------------------------- End of File ---------------------------//
/************************************************** ***********************/
/************************************************** ***********************/
Back to top
mahran
مهمون يكي دو روزه


Joined: 14 Feb 2007
Posts: 8

PostPosted: Thu Aug 02, 2007 2:56 pm    Post subject: Reply with quote

آقا خيلي ممنونم ...
Back to top
Display posts from previous:   
Post new topic   Reply to topic    ParsX.com Forum Index -> C/C++ Programming All times are GMT + 3.5 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum