Code Error!? Why there is two different answer?
I have run a quite simple program in my pc but it's giving me the wrong answer. When I copied the code to an online IDE, the answer is correct. I am using CodeBlocks. Where is the problem.?
Online IDE link: https://ideone.com/yKV5NV
This is the image of the result in my PC:
My Code:
#include<stdio.h>
#include<string.h>
#include<math.h>
int main(){
int x=5,k=2,ans;
ans=(pow(x,k+1));
printf("%d",ans);
return 0;
}
PS: I think maybe because of the double data type rounding error. But why it is happening everytime. If I am right, how to fix it?
codeblocks pow
edited Nov 25 '18 at 10:14
kit
1,1063816
asked Nov 25 '18 at 9:48
Partho kundaPartho kunda
12
add a comment |
I have run a quite simple program in my pc but it's giving me the wrong answer. When I copied the code to an online IDE, the answer is correct. I am using CodeBlocks. Where is the problem.?
Online IDE link: https://ideone.com/yKV5NV
This is the image of the result in my PC:
My Code:
#include<stdio.h>
#include<string.h>
#include<math.h>
int main(){
int x=5,k=2,ans;
ans=(pow(x,k+1));
printf("%d",ans);
return 0;
}
PS: I think maybe because of the double data type rounding error. But why it is happening everytime. If I am right, how to fix it?
codeblocks pow
edited Nov 25 '18 at 10:14
kit
1,1063816
asked Nov 25 '18 at 9:48
Partho kundaPartho kunda
12
add a comment |
I have run a quite simple program in my pc but it's giving me the wrong answer. When I copied the code to an online IDE, the answer is correct. I am using CodeBlocks. Where is the problem.?
Online IDE link: https://ideone.com/yKV5NV
This is the image of the result in my PC:
My Code:
#include<stdio.h>
#include<string.h>
#include<math.h>
int main(){
int x=5,k=2,ans;
ans=(pow(x,k+1));
printf("%d",ans);
return 0;
}
PS: I think maybe because of the double data type rounding error. But why it is happening everytime. If I am right, how to fix it?
codeblocks pow
edited Nov 25 '18 at 10:14
kit
1,1063816
asked Nov 25 '18 at 9:48
Partho kundaPartho kunda
12
I have run a quite simple program in my pc but it's giving me the wrong answer. When I copied the code to an online IDE, the answer is correct. I am using CodeBlocks. Where is the problem.?
Online IDE link: https://ideone.com/yKV5NV
This is the image of the result in my PC:
My Code:
#include<stdio.h>
#include<string.h>
#include<math.h>
int main(){
int x=5,k=2,ans;
ans=(pow(x,k+1));
printf("%d",ans);
return 0;
}
PS: I think maybe because of the double data type rounding error. But why it is happening everytime. If I am right, how to fix it?
codeblocks pow
codeblocks pow
edited Nov 25 '18 at 10:14
kit
1,1063816
asked Nov 25 '18 at 9:48
Partho kundaPartho kunda
12
edited Nov 25 '18 at 10:14
kit
1,1063816
asked Nov 25 '18 at 9:48
Partho kundaPartho kunda
12
edited Nov 25 '18 at 10:14
kit
1,1063816
edited Nov 25 '18 at 10:14
kit
1,1063816
edited Nov 25 '18 at 10:14
kit
1,1063816
1,1063816
asked Nov 25 '18 at 9:48
Partho kundaPartho kunda
12
asked Nov 25 '18 at 9:48
Partho kundaPartho kunda
12
asked Nov 25 '18 at 9:48
Partho kundaPartho kunda
12
12
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
I think it could be because of floating point number representation that can't hold "exact" value that you expect. It happens every time because of same input data, so why wouldn't it? Regarding how to fix it, there is nothing to fix really, it's simply the way floating point numbers are working.
answered Nov 25 '18 at 11:20
bungleheadbunglehead
6431718
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
I think it could be because of floating point number representation that can't hold "exact" value that you expect. It happens every time because of same input data, so why wouldn't it? Regarding how to fix it, there is nothing to fix really, it's simply the way floating point numbers are working.
answered Nov 25 '18 at 11:20
bungleheadbunglehead
6431718
add a comment |
I think it could be because of floating point number representation that can't hold "exact" value that you expect. It happens every time because of same input data, so why wouldn't it? Regarding how to fix it, there is nothing to fix really, it's simply the way floating point numbers are working.
answered Nov 25 '18 at 11:20
bungleheadbunglehead
6431718
add a comment |
I think it could be because of floating point number representation that can't hold "exact" value that you expect. It happens every time because of same input data, so why wouldn't it? Regarding how to fix it, there is nothing to fix really, it's simply the way floating point numbers are working.
answered Nov 25 '18 at 11:20
bungleheadbunglehead
6431718
I think it could be because of floating point number representation that can't hold "exact" value that you expect. It happens every time because of same input data, so why wouldn't it? Regarding how to fix it, there is nothing to fix really, it's simply the way floating point numbers are working.
answered Nov 25 '18 at 11:20
bungleheadbunglehead
6431718
answered Nov 25 '18 at 11:20
bungleheadbunglehead
6431718
answered Nov 25 '18 at 11:20
bungleheadbunglehead
6431718
answered Nov 25 '18 at 11:20
bungleheadbunglehead
6431718
6431718
add a comment |
add a comment |
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