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QuestionMFC's TreeCtrl customization Pin
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QuestionSimple Application Pin
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QuestionExample of interface for server Pin
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Questionround a float to int Pin
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Tim Smith9-Sep-05 3:53
Tim Smith9-Sep-05 3:53 
AnswerRe: round a float to int Pin
Tim Smith9-Sep-05 4:01
Tim Smith9-Sep-05 4:01 
(int) (r+0.5f) is the way to go if you are rounding to the nearest integer with ?.5 always rounding up.

The second version avoids overflow problems. My question would be why would someone think adding 100000 would improve the rounding function. When dealing with floating point numbers, you really have to be careful when adding and subtracting values.

(NOTE: this only works for positive numbers, negative numbers must use -0.5f and not 0.5f)

Tim Smith

I'm going to patent thought. I have yet to see any prior art.

-- modified at 10:26 Friday 9th September, 2005

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