unsigned char to double

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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

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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

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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

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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

unsigned char to double

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unsigned char to double

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