return an address of a double

Posted by bks on Stack Overflow See other posts from Stack Overflow or by bks
Published on 2010-04-01T19:13:57Z Indexed on 2010/04/01 19:23 UTC
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c

|

pointers

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function

i'm having an issue understanding why the following works:

void doubleAddr(double* source, double** dest)
{
     *dest = source;
}

i get a pointer to a double and want to change the double that dest points to:

//usage:
int main()
{
     double* num;
     double* dest;

     doubleAddr(num, &dest);
     return 0;
}

thanks in advance

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Developer IT

return an address of a double - Developer IT

return an address of a double

c

pointers

function

Related posts about c

Related posts about pointers

C++ smart pointers: sharing pointers vs. sharing data

handling refrence to pointers/double pointers using SWIG [C++ to Java]

char pointers & integer pointers (++)

Smart pointers - cases where they cannot replace raw pointers

C++ Pointers: Number of levels of Indirection

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