Rounding off double precision

From: Bamm <bammster@xxxxxxxxx>
Date: Fri, 28 Mar 2008 20:43:53 -0700 (PDT)

I'm trying some calculations in double precision, and I'd like the
output rounded off so that errors in calculation are not shown. For
instance, the result of COS(90 * 3.141592653589793238d0 / 180.) is
-4.37113886E-06. I'd like it to be zero. Thanks for any help.
.

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