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Re: 23.0.50; calc: units conversion changes value


From: Jay Belanger
Subject: Re: 23.0.50; calc: units conversion changes value
Date: Tue, 23 Oct 2007 21:59:30 -0500
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/23.0.50 (gnu/linux)

Torsten Bronger <address@hidden> writes:

> In Emacs Calc, when I try to convert between incompatible units,
> Calc refuses to convert, which is totally correct behaviour.

Calc will convert to incompatible units, sort of; if the target units
are incompatible, it will multiply them by the appropriate fundamental
units to make the augmented target units compatible.

> However, in some cases it changes the value of the quantity, which
> isn't in my opinion:
>
> Current value on stack: "1".  Then "calc-convert-units", Old units:
> 1, new units: cm^2.  The new value on the stack is "100" but I
> expect "1". 

Thanks for catching this; it's been fixed in CVS.

Jay




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