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
2
votes
2 answers
arithmetic vector operations in Java
I have four vectors have same dimension (1 dimensional) and same size. My vectors are consturcated as:
Vector v1=new Vector(5);
Vector v2=new Vector(5);
Vector vp=new Vector(5);
Vector…
JoshuaJeanThree
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2
votes
2 answers
Char is an arithmetic type?
I created a Matrix class, using
static_assert(std::is_arithmetic::value,"");
to check if the template type is an arithmetic type. So I tried with
Matrix matrix1(3,3); // ctor takes number of rows and columns
and it works. The…
user1434698
2
votes
1 answer
how to do arithmatic operations in linux using awk or sed and piping the result to a file
with this problem I am beating my head with walls, please help.
I have two files Sheetthickness.k which contains a single value of initial thickness and minThick.k which contains the final thickness only a single number. I want to calculate the…
hamad khan
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2
votes
1 answer
Computing 64-bit values in 32-bit mode
I'm writing a C99 compiler that works with 64-bit values.
For starters, this will compile 32 bit and 64 bit code. On 64 bit operating systems, I know I can use the r[]x registers. But for the 32 bit code, how do I do it.
I've tried loading the value…
Cole Tobin
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2
votes
1 answer
Incrementing an integer in xslt
There is a question with a similar title, but an entirely different question body: How to increment a XSL integer variable
I get a parameter $level passed to a template and want to apply templates on $level + 1, while $level is guaranteed to always…
bitmask
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1
vote
1 answer
How to do arithmetic expression evaluation in prolog?
I am trying to solve an arithmetic expression in prolog (implementation - eclipse prolog). The arithmetic expression to be solved is like this:
A * (C + B * X) + D * X = E
X is the value to be computed, and all others (A,B,C,D,E) are all numbers.…
kallakafar
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1
vote
1 answer
arithmetic expression evaluates to zero when with parenthesis
I have the above code
private float farenaitCelsiusMath(float f) {
float result;
result = (f-1)*(2/3);
return result;
}
when i run the app on the emulator it evaluates to 0 whatever value i give to f.
But when the third…
tioschi
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1
vote
2 answers
Why awk arithmetic doesn't work?
I have simple script:
#!/bin/sh
#NOTE - this script does not work!
#column=${1:-1}
column=1+1
awk '{print $'$column'}'
But when run
ls -la | ~/test/Column.sh
I receive always
1
1
1
1
What the problem?
user710818
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1
vote
2 answers
Execute an arithmetic expression in Android
I want to do an arithmetic operation on data stored in an Array.
User may choose random column and random operation on them.
like,
String DataTmp[10][3] = ...;
String strCalc = "Float.parseFloat(DataTmp[i][0]) + Float.parseFloat(DataTmp[i][2]) *…
BobbyGoks
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1
vote
0 answers
Compare two integers with bitwise operation
I saw a bunch of codes which can do simple arithmetic operations in constant-time.
But there is a code makes me curious.
Here is a code written in C.
int ct_lt_u32(uint32_t x, uint32_t y){
return (x^((x^y)|((x-y)^y)))>>31;
}
This function…
Serenity
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- 2
1
vote
4 answers
How can I reliably perform an arithmetic shift right in C++?
The "arithmetic shift right" operation is similar to a normal (logical) shift right, except the most significant (i.e. shifted-in) bits are filled with the sign bit rather than 0. Unfortunately, in C++ (prior to C++20, and also in C), the result of…
Kevin H. Patterson
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1
vote
2 answers
How does Java handle the intermediate values while evaluating a long arithmetic expression?
I was wondering how does Java handle the intermediate values while evaluating a mathematical expression specially when the intermediate values exceeds their storage size. For an example,
int a = 1103515245;
int x = 1013904223;
int c = 2531011;
x =…
abhimanyue
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1
vote
0 answers
How is it valid syntax in Java to use an assignment operator in a larger arithmetic expression?
Context: I'm mainly a Javascript/Python developer and I'm doing Java just for schoolwork.
This is the code block that perplexes me.
public static void display(int a, int b) {
a = a+b-(b=a);
System.out.println(a);
System.out.println(b);
}
I…
Aadivya
- 11
- 4
1
vote
1 answer
arithmetic operations on a columns of a data set, using the index of a row as a variable in pandas
So i'm not using python on my day to day basis so this is kind of new to me, but I have large amount of csv files to edit and I imagine a simple script can save me a lot of time.
suppose I have a table
input data
I want to create a new table that…
ActualTurtle
- 21
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1
vote
1 answer
How to overcome fixedpoint division problem in chisel3?
When I am running a code for testing in fixedpoint, I am getting an error. Can anyone help me with the code???
Code:
import chisel3._
import chisel3.util._
import chisel3.experimental.FixedPoint
import…
Soham
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