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Another coredump issue in C

c++,c,segmentation-fault,coredump
when I compile my code with g++ -g -o prueba prueba.cpp -lstdc++ -O3 -march=corei7 -mtune=corei7 -std=c++0x After debugging with g++ -g prueba.cpp, I got these: prueba.cpp:24:6: error: ‘stoi’ is not a member of ‘std’ tm = std::stoi(string2); ^ prueba.cpp:34:7: error: ‘stoi’ is not a member of ‘std’ ler = std::stoi(string1);...

segmentation fault core dump in kruskal's algorithm

c,segmentation-fault,coredump
#include<stdio.h> int find( int, int parent[10] ); int uni( int, int, int parent[10] ); int main() { int i, j, k, a, b, u, v, n, ne = 1; int min, mincost = 0, cost[9][9], parent[9]; printf( "\n\tImplementation of Kruskal's algorithm\n" ); printf( "\nEnter the no. of vertices:" ); scanf(...

KdTree C implementation resulting in core dump

c,coredump,kdtree
I'm dealing with a core dump issue to which whom I cannot find a solution. Any kind of help would be appreciated 'cause I'm getting hopeless. I assume the error appears when getting to the second execution of the building function but I'm clueless what's the fuss about. http://pastebin.com/XwW33VY8 struct...

Error with stoi and debugged with gdb [closed]

c++,c++11,segmentation-fault,coredump
My OS is ubuntu 14.04, laptop, i7. The g++ version is g++ (Ubuntu 4.8.2-19ubuntu1) 4.8.2. I tried to run a simple code to test stoi: #include <string> int main() { std::string s = "123"; int i = std::stoi(s); } When I compile it with: g++ -g prueba2.cpp, I get: prueba2.cpp:...

How to set breakpoints and make it break when debugging core dump with gdb?

gdb,coredump
How to set breakpoints and make it break when debugging core dump with gdb? When I use the command "gdb program core", the process halt at the crash point, how can I make the process break before halting there. If I cannot make it break, which commands I can use...

get N-th byte from mmaped file

c,memory,segmentation-fault,mmap,coredump
I'm new at C and now I'm learning about mmap. I want to get N-th byte from mmaped file, but I get this error Segmentation Fault (core dumped) When I test my program with gdb I get that something is wrong with this line printf("%d\n", (int) data[sk]); and then I...

fgets not reading complete line in C

c,pointers,readfile,fgets,coredump
I have a file data.csv which contains float type data: 0.22,0.33,0.44 0.222,0.333,0.444 I need to read this file into a two dimensional dynamic array. But I am not able to read the full line with fgets. Not sure why? Here is my C code which I used on Ubuntu: #include...

Why does scikit-learn cause core dumped?

python,scikit-learn,coredump
I try to run a simple linear fit in scikit-learn: from sklearn import linear_model clf = linear_model.LinearRegression() clf.fit ([[0, 0], [1, 1], [2, 2]], [0, 1, 2]) As a result I get: Illegal instruction (core dumped) Does anybody know what is the reason of this problem and how the problem...

what is the reason for core dump? stack shows from oracle lib

c++,oracle11g,coredump
I have a coredmp where all thread stack look normal but one stack shows like this. Can any one tell me possible reason for this? i can see exit is being called from oracle libs, is this issue of oracle? Can any one guide me when this can happen? Thread...

segmentation fault issue # n

c++,segmentation-fault,coredump
Is this command line wrong? FILE *TM = fopen("TM","r"); When I compile my code with: g++ -O3 -march=corei7 -mtune=corei7 -std=c++11 prueba3.cpp -o prueba3 -lstdc++ or g++ -O3 -march=corei7 -mtune=corei7 -std=c++0x prueba3.cpp -o prueba3 -lstdc++ and then run the executable, I got: Segmentation fault (core dumped) When I debug the code...

Segmentation fault (core dumped) C++ as I use a lot of memory [duplicate]

c++,memory,segmentation-fault,coredump
This question already has an answer here: Segmentation Fault C++ (array too large?) 3 answers In C++ I am using my 'user' class, and my code has only the following 3 lines: cout<<"size of user = "<<sizeof(user)<<endl; //prints 160 cout<<"size of all users = "<<NUM_OF_USERS*sizeof(user)<<endl; user users[NUM_OF_USERS]; //creates an...