Re: [Boost-users] [units] atan2 functionality with same dimension for y and x

Subject: Re: [Boost-users] [units] atan2 functionality with same dimension for y and x
From: Steven Watanabe (watanabesj_at_[hidden])
Date: 2011-04-22 11:31:13

AMDG

On 04/22/2011 08:13 AM, Ryan wrote:
> I found that when I passed atan2 a quantity<si::length> value for both y and
> x the compiler gave me an error.  Upon examination of the atan2 method in
> "boost/units/cmath.hpp" I found it expected both inputs to atan2 to be
> dimensionless.  The method atan2 can be represented simplistically as atan(y
> / x).   As long as both dimensions to y and x are the same the results is a
> dimensionless value of (y / x).  So shouldn't the inputs to
> boost::units::atan2 accept any dimension of y and x as long as they are the
> same?
> 

You need a more recent version of Boost.  It
looks like this was fixed in [54873] (July, 2009).

In Christ,
Steven Watanabe