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Hello there Smile | :)
how can i solve this error:
fatal error LNK1561: entry point must be defined
and i need a grant visual studio 2008 professional edittion please Smile | :)
Posted 5-Apr-13 4:11am
Comments
Sergey Alexandrovich Kryukov at 5-Apr-13 10:18am
   
Language? Application type?
—SA
Richard MacCutchan at 5-Apr-13 10:18am
   
Difficult to tell why you get the Link error; you probably forgot to add a public main() function in your code. However, since you have not told us what language you are using that is just a guess. The last part of your question makes no sense; what do you mean by "grant"?
Manar aysar at 5-Apr-13 10:51am
   
sorry for being late :)
im using vc++ ,,for my graduation project
when iam using this code
#include"stdafx.h"
#include"omp.h"
#include"iostream"
using namespace std;
int main()
{
int **a,**b,**c; // variables to store allocated memory
int a_r,a_c,b_r,b_c, nthreads, tid, chunk =10; //variables to input matrix
//size and variables to be used by OpenMP functions
double dif,st,et; //variable to calculate the time difference between the parallelization
int i,j,n,m; // variables to be used in for loops to
//generate matrices
cout<<"\nenter rows and columns for the matrix:";
cin>>a_r>>a_c;
cout<<"\nenter rows and columns for the mask :";
cin>>b_r>>b_c;
/* allocate memory for matrix one */
a=(int **) malloc(10*a_r);
for( i=0;i>n;
cin>>m;
 
#pragma omp parallel num_threads(1) shared(a,b,c,nthreads,chunk) private(tid,i,j)
{
tid = omp_get_thread_num();
if (tid == 0)
{
nthreads = omp_get_num_threads();
cout<<"Starting matrix multiple example with "<<nthreads<<"threads";
}
st =omp_get_wtime();
//initializing first matrix
#pragma omp for schedule (static, chunk)
for(i=0;i=0&&j-1>=0)
c[i][j]=c[i][j]+a[i-1][j-1]*b[n-1][m-1];
 
if(i+1=0)
c[i][j]=c[i][j]+a[i-1][j]*b[n-1][m];
 
if(i+1=0)
c[i][j]=c[i][j]+a[i+1][j-1]*b[n+1][m-1];
 
if(i-1>=0&&j+1=0)
c[i][j]=c[i][j]+a[i][j-1]*b[n][m-1];
 
if(j+1>kkk;
 

 
return 0;
}
i think i have aproblem in visual studio installation??what do you think
Manar aysar at 5-Apr-13 10:53am
   
error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup
fatal error LNK1120: 1 unresolved externals
how can solve them ,,plz help me!!
CPallini at 5-Apr-13 11:07am
   
What kind of project did you choose on Visual Studio 2008? You should select 'Console Application'.
Manar aysar at 5-Apr-13 11:10am
   
yes i choose console app. and give me this errors :
error LNK2019: unresolved external symbol _main referenced in function ___tmainCRTStartup
fatal error LNK1120: 1 unresolved externals
how can i solve them ?

1 solution

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Solution 1

It means that the assembly or executable module being built on your project is supposed to be an application, which always requires the definition of the entry point, a function to be called when the application is loaded. By some reason, it is missing.
 
Please see: http://en.wikipedia.org/wiki/Main_function[^].
 
You need to tag appropriate classifiers of your project when asking questions, such as platform, language, application type and other relevant detail.
 
—SA
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