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Date: Thu, 12 Jul 2012 00:13:52 +0100
From: Ed Simmons <ed AT estechnical DOT co DOT uk>
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Subject: Re: [geda-user] pcb_(f)printf
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On 11/07/12 23:24, Ed Simmons wrote:
>> Surprising. But I suspect that you want a lowercase m in the format
>> to force mm output. Uppercase M tries to select automatically an
>> uIt works by passing the unit through the %m+ mechanism, which limits
>> the choice of units of the following %.2mS (the bom exporter has
>> options to chose the units).
>>
>> But if all you want is mm with 2 fractional digits, use %.2mm.
>>
>>     Gabriel
> Sorry - badly worded explanation on my part - I'm trying to output, 
> for example 12mm as 1200, with no decimal places at all in the 
> resulting output. However, just multiplying the X and Y data 
> calculated as per the BOM code yields what looks like roll over of 
> values, with some values being printed in negative. It seems like I 
> should be adding a mode/extra units option to the pcb_printf, does 
> this sound right?
>
> Thanks,
> Ed
>

Sorry for the noise, I've figured it out. Dividing from the base unit 
and printing an integer works fine for my purposes.

    pcb_fprintf(fp, "3  : 230: 1: 3: 0:F 1X %iY %iA %iR %s %s %s\n",
            x/10000 , y/10000 , theta * 10, name, value, FRONT (element) 
== 1 ? "top" : "bot");

Thanks for your help, now I also realise there was no problem with mixed 
units, I was rolling over variables and other wonderful things.

Ed