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Re: rounding function [message #2998] Fri, 14 October 1994 06:29
velt is currently offline  velt
Messages: 19
Registered: June 1994
Junior Member
> Does anyone have a little function that will round off a float or a double
> to a user-specified number of significant digits?


You don't need a routine for that. Just do:

rounded=1.0*round(10^d * myvalue)/10^d

where d is the number of digits you want.

Good luck,

Robert Velthuizen,
Digital Medical Imaging Program of the
H. Lee Moffitt Cancer Center and Research Institute at the
University of South Florida.

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