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Hi

I just realized that this matrix is unnecessarily large...
I can do my stuff with much smaller matrices...

Thanks anyway!!!

LOL, my adviser wouldn't let me use the super... :P
Can you point me a way to read such a big matrix as a (100e3)x(100e3) of doubles in a ordinary PC?

Thanks

It's because I need h, t_max/min, y_max/min to be double and they're not always cute like 500 and 1e-2...

Thanks again...

PS I've just read the following:...

Actually, I have:


# define h (1e-2)
# define t_min -500.0
# define t_max 500.0
# define y_min -500.0
# define y_max 500.0
# define lin (unsigned long long)((y_max-y_min)/h+2)
# define col...

Sorry. My fault.

But I still receive integer overflow when switching to unsigned long long...

Hi

I need help to know why am I getting "integer overflow" when trying to assign 10^10 to a
unsigned long int. My compiler is (gcc 4.2).

Doesn't unsigned long int vary from 0 to 4,294,967,295...

Thanks again.

That turned out to be exactly the case!

Thanks.

I'll try that right away!

Hi there.

I'm writing a program that makes huge amounts of calculations without user's interference.

So I wrote in the code some printf() just to know when it's doing what.

For...

Thanks

Thanks

But how can I test if a division results an integer or not? At least bounded by some defined precision, say 1E-15.

I though using something like

if x/y- the integer part of x/y<some...

Hi

There is something annoying me for a while...
When I execute the program


int main(void)
{
double integer_part,decimal_part;

Hi, thanks for the tip.
The program is running ok after I changed things based on what was told here...

Sorry for bothering you all with newbie questions, but I think I'm starting to learn it...

Hi
At the first time, wen I wrote the code


#include <stdio.h>
#include <math.h>
#include <stdlib.h>
/*file global.c*/

static long double h=1e-2;

Thanks a lot! That really helped me.
:)

Thanks I realised my mistake in the previos reply and removed the t_max t_max...

Now, if I use the expression


#define t_max 2.0*3.1415926535897932384626433832795


Can i call t_max...

Ok.
As a matter of fact I want them to be global and static as well.
I read about the #define environment to create macros but I'm not sure if


#define t_max...

Hi
I'm trying to compile the following code, but gcc 4.2 returns the messages
"global.c:8: error: initializer element is not constant"
"global.c:9: error: initializer element is not constant"

...

Thanks mike_g.
That helped me alot!!!

Hi.
I'm beginner with C and I'm having problem with the following source code:



/*****************************************************************************************************/
main()...