Re: [Mingw-msys] pow(5,2)=24 ?????!!!!!

[Brian Dessent <brian@xxxxxxxxxxx>]

Michael Chen wrote:

> So I should always add 0.5 to pow() and modf() as shown, when my input
> parameters and output are all integers?

That, or use an explicit rounding function such as round().  The problem
is that the C language specifies that simply casting a double or float
to an integer, as you do with "(int)pow(L,D)", does not do any rounding
-- it simply discards the fractional parts.  So you should never use a
cast where you want something rounded to the nearest integer.

Brian

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