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How do I convert float to int that's rounded off to nearest hundred?

shaolinfunk asked
Last Modified: 2013-12-14
Let's say I have a float variable fNumber.

fNumber is usually some number with decimals to the thousandth place.  I want to convert fNumber to an unsigned int that rounds to the nearest 100.  thats' right, 100.  with the caveat that any number between 0-99 is rounded up to 100.

so if fNumber is 1234.238, the new unsigned int should be 1200.
if fNumber is 32.589, the new unsigned int should be 100 instead of 0.  

how do i do this?  
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