Programming :: Run A Program With Two Modules And Many Subroutines?
Jul 11, 2011
I am trying to run a program with two modules and many subroutines. Each module and subroutine is in a seperate file. The main program is "nma.f90". I am somewhat a beginner in fortran, and have not written the code myself. I am using the following to compile and run the program :
gfortran -ffree-form -w nma.f90 sub_pot_coulomb.f sub_hess_numer_coulomb.f sub_hess_lj.f sub_hess_exp6.f sub_gethinv.f sub_poten.f sub_pot_stretch.f sub_pot_bend.f sub_slist.f sub_blist.f sub_tlist.f sub_imp_tlist.f sub_hess_stretch.f sub_hess_bend.f sub_getname.f sub_hess_tors.f sub_hess_imp_tors.f sub_pot_torsion.f sub_pot_imp_torsion_cvff.f sub_ewald_part.f sub_reciprocal_energy.f
[code]....
I can understand that the function pot_coulomb has been defined multiple number of times, but how do I know where (what those multiple files are)? It tells me the only place where I already know it is defined. Does this mean that somewhere in all the files that I have written, there is another definition of pot_coulomb ? (this would be very unlikely though, as each subroutine has its own file, and the corresponding file's name is the name of the function prefixed by "sub")Cant I get the names of all the places where its defined, so that I can look into this?
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Dec 6, 2010
How to run a program containing lapack subroutines using ifort compiler?
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Apr 27, 2011
i am trying learn to program linux kernel modules and smoothly transition in device driver programming. I have a year and a half worth of programming in C and have been using linux for years!! But my question is how do i compile a module? I got as far as coding it but am stuck as of now.
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Apr 23, 2010
I am writing a kernel module which need to do something at some interval. Now this problem can be solved by using a user process, which will send signal to the kernel and the kernel would do accordingly. But it would be nice, i could do it within the kernel module itself. Is there any way to use SIGNALs inside the kernel module?
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Mar 6, 2011
I want set up VPN on my VPS but when i try to turn on tun/tap i see:
:/lib/modules# modprobe tun
FATAL: Could not load /lib/modules/2.6.18-194.17.1.el5.028stab070.7PAE/modules.dep: No such file or directory
os : debian 5
(folder lib/modules is empty)
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Sep 26, 2010
I have an x86 pc and installed lucid these are the details of my distribution version:
I am trying to build a kernel module i am getting the following error:
How to build kernel modules
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Jan 21, 2011
I want to call a subroutine in Fortran 90 from a c++ code. I can do it, when the fortran code have no module. But i need to call the subroutine in a fortran code that have an module. I have a simple program that shows my problem. The Fortran code is:
Code: !add2.f90
Module add2
Implicit none
Contains
[code]....
collect2: ld returned 1 exit status I Dont know where is the problem. Maybe it is in the call of the function. I found that the syntax have this form: extern void __namemodule__NMOD_namesubrutine(arg)
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Jun 13, 2011
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Jun 27, 2010
I have two modules A and B in the kernel which i am trying to hack by introducing a variable in A which is of type 'extern' (and using EXPORT_SYMBOL) and then calling it in B. Now the problem is how to introduce that variable in module A. Currently i have made a global variable and it works fine but global variable in kernel is a bad bad thing.
I tried having an 'extern' function in A which have that variable and calling that function in module B, but then again how would module A use my variable unless the variable is available outside the scope of that function and that again means a global variable.
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Feb 15, 2011
I will have to code this. However I am lacking of time since I have too much to do. make a short code bash/dash to prompt the country with Zenity, then, get the PLS or m3u url and prompt with another zenity which radio to play. http://www.listenlive.eu/index.html
My code to get url's radio country.htm is:
Code:
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Jan 18, 2011
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Mar 30, 2010
Code:
anisha@linux-p0mg:~> uname -r && cat /etc/*release
2.6.25.5-1.1-pae
openSUSE 11.0 (i586)
VERSION = 11.0
My small Makefile:
Code:
obj-m += serialPortISR.o
all:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules
clean:
make -C /lib/modules/$(shell uname -r)/build M=$(PWD) clean
Errors I receive:
Code:
anisha@linux-p0mg:~/Desktop/serialPortISR_31_10_09> make
make -C /lib/modules/2.6.25.5-1.1-pae/build M=/home/anisha/Desktop/serialPortISR_31_10_09 modules
make[1]: Entering directory '/usr/src/linux-2.6.25.5-1.1-obj/i386/pae'
make[1]: *** No rule to make target `modules'. Stop.
make[1]: Leaving directory '/usr/src/linux-2.6.25.5-1.1-obj/i386/pae'
make: *** [all] Error 2
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May 11, 2010
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Jan 15, 2010
Ok so Basically i have 2 questions
1. i know how to create a file with c++ using but is there a way to save it to a specific location on your computer with windows and linux
Code:
2. i need to know how to run/execute/open a file in a c++ program im using and its not working
Code:
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Apr 14, 2011
Tonight I installed ubuntu 10.10 (32 bit) on an external usb harddrive with a dvd I burned and I used my older desktop. I disconnected all internal and external drives first so everything had to be put on the usb drive I selected (only option available). I used the option to load extra software, use the entire hard drive, and let the software do it's thing. I basically had no options where to put things and it didn't have much choice.
When I boot the usb drive on my laptop (win 7 64 bit) by telling the bios to boot to it first... I get an error: modprobe: FATAL Could not load /lib/modules 2.6.35-22 generic modules No such file or directory. This message appears twice and then it does boot into ubuntu and seems to work fine. I'm new to this OS so that is an uneducated guess but the things I have done seem to be working. So exactly what is this error referring too? Is there a way to fix the problem or do I just ignore it.
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Feb 12, 2011
im trying to build a simple program for my C programming class, this is the source code
#include <stdio.h>
int main()
{
int length, width, length, height, area, perimeter;
perimeter = width + length + height;
area = width * length + heigth;
[Code]...
i dont see any error (you might)but every time i run it it runs but after it asks me to input for the width i do it but it doesn't take me to the length, it just stays blank until i input another value in the same place for the width, it asks me for 4 inputs in total i don;t know why, and after i run it different times it gives me different values for the perimeter and are. how can I fix this?
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Jul 22, 2010
I am trying to setup Slacware 13.1 x86_64 to a encrypted partition. I used the README_CRYPT.TXT howto : [URL] At the step when I create an initrd.gz I get this error: Quote: ERROR: No /lib/modules/2.6.33.4-smp kernel modules tree found for kernel "2.6.33.4-smp"
I tried to look into the directory and there was only modules under 2.6.44.3. So I tried to change the command into: Quote: mkinitrd -c -k 2.6.33.4 -m ext3 -f ext3 -r cryptroot -C /dev/sda2
This command was successful, but I don't know if this is alright. I made the changes in lilo.conf, add initrd = initrd.gz. This is all on unencrypted /boot partition. The boot=/dev/sda1 I also set for the unencrypted boot partition. When I boot the system I get a kernel panic:
[Code]....
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Mar 23, 2011
I was trying to install VirtualBox through the YaST > Software Management but it is not working, someone in the forum told me that I have to download the OSE version and do it manual way. Finally I am able to start up VB but not able to use the network connection. Thus I am trying to do this:
/etc/init.d/vboxdrv setup. I get this error:
[code]...
When I type dmesg, it shows me a bunch of info which I don't know what should look for. When I type modprobe vboxnetflt, I get the error: FATAL: Error inserting vboxnetflt (/lib/modules/2.6.37.1-1.2-default/updates/vboxnetflt.ko): Invalid module format. what should I do in order to get my VB to be able to connect to the internet?
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Jun 24, 2011
Sometimes I have problems with modules not loaded properly /etc/rc.d/rc.modules, is it recommended to add codes to load modules in other scripts in /etc/rc.d/.
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Feb 5, 2009
I found some interesting behavior when discussing the pow function from Math.h with someone. I am well aware of the need to compile with the -lm flag, but to my surprise this actually isn't necessary if the arguments to the pow function are literals. For example, this program compiles in gcc without using -lm:
Code:
#include <stdio.h>
#include <math.h>
int main()
[code]....
If I try to change the call to any of these:
Code:
double bCubed = pow(2.0, e);
Code:
double bCubed = pow(b, 3.0);
Code:
double bCubed = pow(b, e);
Then the -lm option is required or else it can't compile. So does anyone know why it's necessary to use -lm when the argument(s) is/are variable(s) but it works fine if both arguments are literal values? As a side note, any of the above compile with g++ however. Also, if it helps, this is the version of gcc I'm using:
gcc (GCC) 4.1.2 20080704 (Red Hat 4.1.2-44)
This doesn't happen on my Mac however that is running: i686-apple-darwin9-gcc-4.0.1 (GCC) 4.0.1 (Apple Inc. build 5484)
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Mar 15, 2011
The following is the error in my program :
Here is my program...
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Mar 10, 2010
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Feb 26, 2010
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Aug 17, 2010
Am new to this community and this is my first post. am doing a project where i have to develop a wireless ad hoc routing protocol. I have just begun working on the project. I did not know where to start, so started off with a simple chat program using TCP and thought of making the modifications to it later on. But I do have a prob even i running that!
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Nov 22, 2010
I have checked following two pagesand this page also In following program I want to use attribute keyword of C and format string as printf
Code:
#include<stdio.h>
int myfunction (int ,int);
[code]....
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Jan 29, 2011
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Under linux, after I write codes, I need to quit vim, type make to compile. If I have some mistakes, I have to remember the line numbers and re-open vim to check the errors. And I think debugging with gdb is so hard.
I think as a newbie to programming under linux, maybe I haven't find the right tools. Or programming under linux is just so hard so a programmer who can overcame these could be strong enough to do programming without some IDE tools?
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