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I was trying to reproduce the error. But I ended up with another problem. Now I get segmentation fault in the function servant, towards the end. When I use the electric fence with gdb I get the following error message: Program received signal SIGSEGV, Segmentation fault. 0x08055c51 in...

Hi, I am having a weird problem here. I was getting a segmentation fault immediately after a function call. The last command in that particular function was also executed very successfully. When it comes to the main function, it dumps a core. I used electric fence and gdb to debug it. After...

Dear All, I am having problems with locating segmentation fault in my code. My code is in C++. I get segmentation fault when I call a function B. I do not get any fault with the segmentation fault with funcation A, when I use it in the place of function B. The difference between the functions...

This is in addition to my earlier post. I copied some of the outputfiles to another directory , while the process was still running and writing other outputfiles. Then I did this " tail -n ". It was incomplete. After the process was done I did " tail -n " again on the same outputfile. I see...

Hi All, I am new to the awk scripting language. I want to split a large file into multiple small files. I am looking for a pattern in the large file and breaking it into smaller files. This is how my code looks { for(i=1;i<=10;i++) { file = "xsaa_" name = ".sdf" for (j=1;j<=10; j++)...

Hi all, I want to read in a large file and then split into smaller files as per some pattern. I am using fstream in C++. My executable slows after some time. I am seraching a way to speed up this process. Can any one please help me with this. My code is as follows. ifstream...

Hi all, I tried running my c++ program (compiled in linux with c++ compiler) using gdb. I am getting this message. Program received signal SIGSEGV, Segmentation fault. 0x400a3c9a in std::string::_Alloc_hider::_Alloc_hider(char*, std::allocator<char> const&) () from /usr/lib/libstdc++.so.5...

Hi all, Thanks for the suggestions. I worked this problem out in some other way. Thanks

I was trying to work out installing python 2.2 in the read hat linux version of 7.0. I ran into lot of problems. AT some point of time it complained about missing GLIBC_2.3 in /lib/libc.so.6. I thought that I would try copying this file from other machine. In this process I did rename this...

Thanks for the suggestions. Here I define the derived class #ifndef offspringlib #define offspringlib #include "Chromosome.h" class offspring:public chromosome { friend class chromosome; protected: chromosome parent_chrom; public: }; #endif I am trying to get the offspring as a...

No ,I did not use any template. I missed a key point in my earlier post. In the derived class I have a member which is of parent class. I have Chromosome as basic class and I have Offpsring as derived class. In the Derived class offspring I have a member of type chromosome. I guess this...

What does this base class has incomplete type mean. I have a base class by name chromosome and the derived class by name offspring. In the file where I start the definition of derived class , i did include the header file that has the definition of base class. Can anyone help me Thanks in advance

Hi all, Thanks for your suggestions.I corrected my code accoringly.Thanks again.

Hi all, I have a function which takes 2D -array as an argument. When I try to pass a double pointer as an argument ,VC 6.0 complains that the conversion is not possible. This is how my function looks like void slope(int a[][2],float slop[],unsigned long ); I used double pointer to...

Hi all, I have a question not directly related to C++. I am writing a code in openGL using GLUT library. When I use the keyboard function,glutKeyboardFunc(keyboard) Keys like righ,left,up and down arrow keys don't provide input to this function. This is the function I used for this key board...

Hi all, Thanks for your suggestions.This is the code for print_crd. #include <fstream> #include <stdlib.h> #include <iomanip> #include <string> #include <iostream> using namespace std; #include &quot;crd.h&quot; void crd::print_crd(char *stra) { int in; ofstream...

Hi, I checked all the arrays that I created using dynamic memory allocation.I am not deleting this before the destructor.I am sure of that.I am wondering why this is happening?. This is my file where I had declared the class crd. #include <string> using namespace std; #ifndef crdlib #define...

Hi all, I have a very small code, which reads in data of an object from a file and writes it back to another file. Here is the code. #include &quot;class.h&quot; void main() { string ligcrd; crd lig; cout<<&quot;Ligand.Crd file :&quot;<<endl; cin>>ligcrd...

Hi Kalisto,ArkM,sebastiani, Thanks for your time and help.

Hi all, I have a simple question about the concatenation.I want to concatenate a string and an integer to get another string.I checked in my C++ book and in google. I couldn't get the answer.Can anyone help me,Please. Thanks for the time and help.