An arithmetic expression is an expression that results in a numeric value. There are two kinds of numeric values, integers (whole numbers), and real or floating point numbers (numbers containing a decimal point).
Questions tagged [arithmetic-expressions]
677 questions
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votes
1 answer
Adding Strings and ssize_t?
I have a question on adding strings and data types. What does it mean to use them in such arithmetic? Does body + size mean that it is creating a new block of memory that includes both of them?
The following is just an excerpt of the code:
char*…
Jessup Jong
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votes
1 answer
How Matlab can be so slow in high dimensional matrix arithmetic operation?
I'm impressed by the low speed of Matlab matrix arithmetic operation in my code as follows:
pitemp=zeros(nz,na,nb,nk,nxi,nann,nbn,nkn);
…
Woodpecker
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votes
1 answer
Arithmetic operator precedence quirk
In C, since the addition operator (+) takes precedence before subtraction (-), I assume the following expression will return 0:
5 - 1 + 4
But no, it return 8 instead. Why is that?
P.S.: The expression was tested in Objective-C.
EDIT: Apparently my…
Andree
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votes
3 answers
Someone please explain me the logic behind this opration
#include
int main(){
int a=10,b=3,c=2,d=4,result;
result = a+a*-b/c%d+c*d;
printf("%d",result);
}
How is this program giving 15 as the output.. I did not understand the logic behind the operation.. Can someone please tell me…
atul beniwal
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votes
1 answer
Overload an Arithmetic Operator C++
I have to do the following:
In Cash.h, add a declaration inside the Money namespace for an operator overload for the + operation; this should take two Cash operands and return a new Cash value. Remember that the declaration will consist of the…
Just a viewer
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votes
2 answers
Java Divide by Zero - Calculator
I have created a Java calculator, however i need to add code for when the number is divided by zero i set the result to be zero. Everything else is working i just don't know where to add this statement.
heres the code:
public class Calculator
{
//…
RHH
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votes
1 answer
Questions about J9
-Is it true that OpenJ9 has non overflow and underflow arithmetic
modes for float and double? What needs to be done to obtain that?
If not, can this be changed somehow?
-Is OpenJ9 a compiler or a runtime or both?
-Is OpenJ9 Windows compatible and…
user1544
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votes
1 answer
How to get absolute value for a double value within a function (Without using math.h)
how can I get absolute value for the double diff in this case?
double cos_delta(double x, double delta)
{
int n = 1; // n should start with 1 because it is the number of terms
double diff = cos_N(x, n ) - cos_N(x, n - 1); // n and n-1 instead…
Saeed
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votes
1 answer
Method to calculate sum of product of two consecutive numbers
Write a Java method to calculate the following summation:
2×3+3×4+4×5+...+97×98+98×99
Or more generaly, the sum from i = 2 to 98 of i*(i+1).
Can this be done with recursion or only with a for/while loop?
student96
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votes
4 answers
Calculate Average Java
I'm trying to calculate the average of the student scores and as it stands I'm struggling with the calculation part.
In my assignment I was asked to caulculate the avg age of three students and avg. heigth of three students.
Could someone please…
Jake Zywiol
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votes
1 answer
How can I avoid Arithmetic exception in this C++ code?
I don't know why my program shows runtime-error when my input is 100 , for instance.
If I input a smaller value, like 5, it works just fine!
#include
using namespace std;
int main()
{
int noCopy,currentPrinter = 1;
cin >>…
Xx_DarDoAzuL_xX
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votes
2 answers
Arithmetic optimization
How to optimize the following (convert arithmetic to bit-wise operations)?
Optimize:
int A = B * 4
int A = B * 72
int A = B % 1
int A = B % 16
int A = (B + C) / 2
int A = (B * 3) / 8
int A = (B % 8) * 4
Saw these questions in interview.
A-Sharabiani
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votes
1 answer
What does this C program do?
#include
int main(){
char c;
while((c = getchar()) != EOF){
if(c >= 'A' && c <= 'Z')
c = c - 'A' + 'a';
putchar(c);
}
return 0;
}
Came across this C code in MIT's Practical Programming in C.…
nAiN
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votes
1 answer
Which of the following arithmetic expressions is identical to the expression a += b * c
A - Which of the following arithmetic expressions is identical to the expression a += b * c ?
a = (a + b) * c
a = b * c
a = a + b * c
a = ++b * c
None of the above
B - Which of these following expressions is wrong…
I.Ali
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votes
1 answer
Android: Division and subtraction always equal 1.0
I'm making a simple calculator but when I try to divide I always get 1.0 and when I subtract I always get zero. Addition and multiplication work fine.
I've read similar questions such as :
Why does integer division code give the wrong…
Eklassen
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