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Negative Decimal

Posted on 2012-03-18
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Last Modified: 2012-03-21
I am tired of beating my head up against the desk. I've been trying to convert a positive decimal to a negative without the value calculating as a negative value. Math.Abs does half the job and I have no clue on how to convert.

Any help would be nice.

Thanks
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Question by:mBenton1979
9 Comments
 
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Expert Comment

by:Stephan
ID: 37736138
Are you looking for this:

decimal.Negate
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LVL 49

Expert Comment

by:Gustav Brock
ID: 37736542
> convert a positive decimal to a negative without the value calculating as a negative

So a negative should be positive??
Could you please provide an example?

/gustav
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Accepted Solution

by:
Easwaran Paramasivam earned 100 total points
ID: 37737509
The requirement is to convert Postive to Negative. But Math.Abs would convert Negative to Postive. Confusing.. What is the correct requirement?
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LVL 49

Expert Comment

by:Gustav Brock
ID: 37737664
OK. Back to school. Remember your pencil and the apple for the teacher.

Given: p = 1.11
Wanted: n = -1.11
Solution: n = -p

Or?

/gustav
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Author Comment

by:mBenton1979
ID: 37737682
is here is a portion of my test code. I'm looking at the food, liquor, and beer to display negative values without them adding or subtracting as such. If this doesn't work Ill just have to validate the fields and force the negative and tweak my code

 decimal food = System.Decimal.Parse(foodOperand.Text);
            decimal liquor = System.Decimal.Parse(liquorOperand.Text);
            decimal beer = System.Decimal.Parse(beerOperand.Text);

            decimal calculatedDeductions = subtractExpend(food, liquor, beer);
            textBox2.Text = calculatedDeductions.ToString();


private decimal subtractExpend(decimal food, decimal liquor, decimal beer)
        {
            return food + liquor + beer;
        }
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LVL 49

Expert Comment

by:Gustav Brock
ID: 37737707
I see no negatives here.

> ..  without them adding or subtracting as such.

That means doing nothing. So what to do?
Perhaps if you provide an example, we can understand the issue.

/gustav
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LVL 49

Expert Comment

by:Gustav Brock
ID: 37747273
??

A solution to nothing?

/gustav
0
 

Author Comment

by:mBenton1979
ID: 37747299
Oh snap I awarded the wrong person!! Guess no take backs huh?
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LVL 49

Expert Comment

by:Gustav Brock
ID: 37747415
Oh, that explains.

No problem for me though, I'm not in it for the monye - just curious what the problem really was and what the solution might be?

/gustav
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