Increase Max Array Size In Dev C++
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I think I'm there, but I'm not sure if the insert() is correctly doubling the dynamically allocated memory. In an attempt in my insert() I tried to:
1 double the allocated memory (not sure if that was accomplished)
2 copy original values to the newArray
3 free original space
4 reassign pointer to original
The only thing I had to do with this program was to modify the insert() function to double the dynamic memory, which hopefully I did correctly, but I'm not sure. The rest of the program shouldn't need any modifications. Any tips would be great..Thanks!
P.S. please ignore cout statements in my member functions, I just used them to keep track of where I was at How to use little snitch to block adobe cs6 pdf.
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- commentLatest Postby bmos31Latest Post
StuXYZ731
Well first off, this is good. Insert functions correctly, i.e. does indeed double the memory. It also copies (as far as I have tested) and sorts everything out.
However, there is a subtle bug in erase that may hurt. You can get a memory violation.
In your shift of moving elements down from the higher part of the array:
However, you are going to access memory that is outside of the allocated memory, e.g. i+1 mySize. That is very unlikely to cause problems with a simple type like int, but for something like a real class that is going to cause problems.
So change the code to
Why does operator= return a const List& surely you don't want a const return type ?
Increase Max Array Size In Dev C Pdf
insert should be void insert(const elementType&,const int); , consider if elementType is an expensive to copy object.
You have no check for maxSize0 or maxSize<0 (since you are using an int not a unsigned int.)
Give that you are dealing with List etc, that is part of the std namespace, would it be better not to use 'using namespace std;' and instead use the using std;:cout; etc or just put std::cout in your code ?
Finally, you understand that there are several improvements that are possible. (a) it is insert and copy in the loop, so to improve the situation when you resize. (b) allow the memory block that is active to be in the middle of the allocated array. [this on average talks 1/3 off insert time, (random insert).] -- you use a start/end position and then shift the block up/down when it hits the beginning / end ( or as is more common to wrap it round).