unsigned char to double

Question

1.00/5 (1 vote)

See more:

C++

Hai,
I have unsigned char value nad i need to convert it to a double value. How can I convert it???

Please help....

Posted 21-Mar-12 2:59am

Vineeth.B

Add a Solution

Comments

Sergey Alexandrovich Kryukov 21-Mar-12 18:44pm

And what it supposed to mean when presented as double? Why? just to waste 8 bytes instead of one? I don't see any sense...
--SA

2 solutions

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Resmi Anna · Answer 1 · 2012-03-21T03:13:00

Solution 2

you can simply assign the unsigned char value to a variable of type double as shown below

unsigned char ch = 'C';
double d = ch;

if you are so particular about using c++ style typecasting use static_cast as below

C++

double d = static_cast<double>( ch );</double>

Posted 21-Mar-12 3:13am

Resmi Anna

Comments

Sergey Alexandrovich Kryukov 21-Mar-12 18:46pm

I never understood why answering questions which seem to have no sense, even "correctly"...
--SA

CPallini · Answer 2 · 2012-03-21T03:12:00

Solution 1

Just assign it:

C++

unsigned char u = 150;
double d = u;

Posted 21-Mar-12 3:12am

CPallini

Comments

Sergey Alexandrovich Kryukov 21-Mar-12 18:46pm

I never understood why answering questions which seem to have no sense, even "correctly"...
--SA

CPallini 22-Mar-12 4:26am

Because
I am not aware it is a nonsense.
Moreover, the OP
(1) May actually need it (e.g. he/she needs to pass a value to a function requiring the double - e.g. pow(u, u) wouldn't compile).
(2) Looks a bit confused (that is give him/her a hook).
:-)

Sergey Alexandrovich Kryukov 22-Mar-12 16:00pm

I can see your point...
--SA