How to resolve the algorithm Extreme floating point values step by step in the Julia programming language
How to resolve the algorithm Extreme floating point values step by step in the Julia programming language
Table of Contents
Problem Statement
The IEEE floating point specification defines certain 'extreme' floating point values such as minus zero, -0.0, a value distinct from plus zero; not a number, NaN; and plus and minus infinity. The task is to use expressions involving other 'normal' floating point values in your language to calculate these, (and maybe other), extreme floating point values in your language and assign them to variables. Print the values of these variables if possible; and show some arithmetic with these values and variables. If your language can directly enter these extreme floating point values then show it.
Let's start with the solution:
Step by Step solution about How to resolve the algorithm Extreme floating point values step by step in the Julia programming language
Explanation of the Julia Source Code:
1. Function showextremes()
:
- This function demonstrates how Julia handles extreme numerical values like infinity (
Inf
), negative infinity (-Inf
), and NaN (Not-a-Number). - It defines an array
values
containing these extreme values and then calculates and prints the results of dividing 1 by each value.
2. Calling showextremes()
:
- The
showextremes()
function is called, and its output is printed.
3. Displaying Special Values with @show
:
- The
@show
macro is used to display the results of various operations involvingInf
andNaN
. - It provides a more detailed representation of these values compared to the standard output.
4. Arithmetic Operations with Inf
and NaN
:
- The
@show
macro is used to display the results of various arithmetic operations involvingInf
andNaN
. - These operations produce special values following specific mathematical rules:
Inf + 2.0
results inInf
.Inf + Inf
results inInf
.Inf - Inf
results inNaN
.Inf * Inf
results inInf
.Inf / Inf
results inNaN
.Inf * 0
results inNaN
.
5. Equality Comparisons with 0
and NaN
:
- The
==
operator is used to compare0
with-0
, andNaN
withNaN
. - In Julia,
0
and-0
are considered equal, whileNaN
values are always unequal.
Source code in the julia programming language
function showextremes()
values = [0.0, -0.0, Inf, -Inf, NaN]
println(1 ./ values)
end
showextremes()
@show Inf + 2.0
@show Inf + Inf
@show Inf - Inf
@show Inf * Inf
@show Inf / Inf
@show Inf * 0
@show 0 == -0
@show NaN == NaN
@show NaN === NaN
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