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I have a problem with one of my pointers. I tried to define a pointer ptr to a user-defined class intmodn (which is made of two integers) by:
intmodn *ptr;
inside a class nmatrix. The instant the computer declares an nmatrix object, I get a segmentation fault coming from this. I assume (although I could be wrong) that the problem is that the compiler does not know how to allocate memory for an intmodn object, in which case, how does one do tell it?
oh btw im using g++
Post a minimal yet complete peice of code. This means the smallest possible piece of code that reproduces the exact rpoblem.
nvm I fixed it, I was being very dim. It was assigning my pointer a random garbage value rather than 0 and to avoid memory leaks a segment of my code has a delete in it, and that caused the segmentation fault I think. It for some reason didn't print anything I told it to, which is why I assumed it was a problem with the declaration. I fixed it by putting ptr=0; at the beginning of all my constructors (I am definitively a noob in the world of programming).